Featured Products
Celestron PowerTank Lithium
Rugged design make it the perfect outdoor power supply - Ideal outdoor portable charging solution for your electronic gear. Portable power pack for your computerised Celestron telescope - Using Lithium Iron Phosphate (LiFePO4) chemistry. Smaller, lighter, safer, and easier to maintain - Than lithium-ion and sealed lead acid designs. Up to 2000 charge cycles - Four times more than lithium-ion and seven times more than sealed lead-acid designs. Un recharged shelf life of up to ten years Three times better than lithium-ion and ten times better than sealed lead-acid designs. Battery shuts off automatically when insufficient current flow is detected - Prevent you from inadvertently draining your battery.
£189.00 £149.00
Celestron PowerTank 17, 12v 17Ah
Large capacity - 17000 Mah provides several hours of power to your Celestron telescope. Charge other devices - The PowerTank 17 also features two 12v and two 5V output ports which allow you to charge multiple devices. Torch - The built-in torch with a tilting head allows you to navigate with ease under the dark night sky. Radio - The PowerTank also comes with a built-in siren and AM/FM radio for emergencies.
£179.00 £169.00
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Celestron FirstScope Accessory Kit
Get extra enjoyment out of your Celestron FirstScope! - Enhance your observations and learn even more about the Universe. Kit includes - Moon filter and two eyepieces with 24X and 50X magnification. 5x24 finderscope - Makes locating objects much easier. Nylon carry bag - Take your FirstScope telescope anywhere . Moon filter - Lowers the amount of light reaching your eye allowing you to see details that would not be visible in an unfiltered view . Starry Night Basic Edition is included - Learn the constellations, print out star charts .
In Stock
£19.90
Celestron Night Vision Red Headlamp
Optimal Night Vision - A traditional white torch can ruin your night vision in an instant. Preserve your eyes’ dark adaptation while navigating your environment safely with this red-only LED head torch. Hands-Free Convenience - Enjoy the freedom of hands-free illumination with this adjustable head-torch. Multiple Light Modes - Seamlessly switch between two brightness levels, a blinking light and an SOS setting. Comfortable Fit - The adjustable, ergonomic head strap provides a secure and comfortable fit -ideal for long nights under the stars. Long Battery Life - Powered by an efficient LED, this headlamp offers up to 100 hours of continuous use. Versatile and Portable - Perfect for astronomers, campers, and outdoor enthusiasts.
In Stock
£19.90
Celestron Nebula Filter for ORIGIN Intelligent Home Observatory
Get the most out of your origin - Especially from urban and suburban skies. Nebulae come to life - Filter transmits only the key H?-H?-OIII wavelengths from emission nebulae. Conquers light pollution - blocks light pollution, boosts image contrast, and darkens the sky background. Built for Origin’s RASA Optics - Engineered specifically to work with Origin’s fast f/2.2 optics. Easy installation - Remove the optical window from Origin’s filter drawer and insert the Nebula Filter. Quality construction - Constructed of Schott glass with anti-reflective coatings. Upgrading? Check our offer for your old gear
Low Stock - order now or contact us to reserve
£199.00
Celestron AC Adapter, 12V DC 5-Amp, International
Genuine Celestron product - Quality and compatibility assured. Exclusively for Celestron's CGEM and CGE Pro mounts - Designed to conveniently provide continuous power to your mount when an AC outlet is available. Threaded barrel connector on DC plug - Prevents power offs due to inadvertent cable pulls . Delivers up to 5A at 12 VDC - Plenty of power to run Celestron's biggest mounts with heavy loads. Switching type AC-to-DC power adapter - Provides more power with less weight than transformer style power adapter.
In Stock
£44.90 £39.90
Celestron T-Adapter, NexStar 4, C90 Mak & C130 Mak
Sturdy aluminium T-Adapter - Accessory of choice if you’d like to attach an SLR or DSLR camera. Threads on to the rear cell - Secure, wiggle free connection. T-threads - Accept camera brand specific T-Ring (sold separately).
Low Stock - order now or contact us to reserve
£29.90
Celestron NeXGO DX Smartphone Adapter w/remote
A complete digiscoping solution - NexGO connects your smartphone to an eyepiece while the Bluetooth shutter release button helps you get a steady shot image every time. NexGO design works with most optics including telescopes (with most 1.25 eyepieces), spotting scopes, binoculars, monoculars, and microscopes. Connect the remote shutter release to your phone via Bluetooth to take photos or start/stop video recording without unwanted vibration. Features two directional knobs (X and Y axis) that perfectly align your phone camera with the eyepiece in seconds. Stands up to rigorous field use thanks to its robust, durable construction with a metal frame and polymer body.
In Stock
£39.90 £34.90
Celestron PowerTank Mini 5000 Flashlight
Essential for any amateur astronomer - 2 in 1 device features a rechargeable red LED flashlight and a 5000 mAh 5V DC power bank . Red LED flashlight will not compromise your vision at night - Three brightness levels that allow you to adjust the brightness . Compact power bank delivers a full charge to mobile devices with its 5000 mAh capacity - So you can use your smartphone confidently to scan the skies,. Internal lithium ion battery has a minimum of 500 charge cycles - So it can serve your astronomy needs for years. USB Type A output port - Charges smartphones, tablets, and other 5V DC electronics. Silicone mount straps are included - Attach to your telescope tripod leg or other convenient locations.
Low Stock - order now or contact us to reserve
£49.90 £47.90
Celestron USB Cooling Fan for Dobsonian Telescopes
USB operated cooling fan - For StarSense Explorer 10” and 12" Dobsonian . Speeds up the cooling of the primary mirror - To the ambient air temperature resulting in crisper, better-focused views in less time. Mounts directly - To the rear cell of the StarSense Explorer 10” and 12" Dobsonian telescope. Integrated storage clip - Secure the USB cable when not in use. Any USB power source can charge the cooling fan - Does not require an external, bulky 12V power source or disposable batteries.
Low Stock - order now or contact us to reserve
£24.90
Celestron Canon EOS-M T-Ring, T-mount for EOS M cameras
Genuine Celestron product - Better compatibility and reliability. One of the first accessories you will need - If you want to take pictures through a telescope or spotting scope. Attaches to - Canon EOS M camera bodies. Sturdy bayonet flange locks in place - Just like a lens, providing secure contact. Attaches to a variety of camera adapters and accessories - via standard T Threads.
Low Stock - order now or contact us to reserve
£19.90
Celestron Focus Motor for SCT/EDGE HD telescopes
Remote/hands-free observing - Enables electronic focusing using a computer or Celestron computerised mount hand controller . When connected to a Celestron computerised mount, the mount provides the power - When connected directly to a computer, USB provides the power. Motor controls include multiple speed rates - Automatic GoTo indexed focuser position, and focuser backlash compensation. Focuser Utility software for Windows provides a simple user interface - Also compatible with Celestron PWI. Enables autofocusing with a camera - And third party software via ASCOM. Indexed focus position allows the motor to automatically return to a previous focus position - Prevents the focus motor from reaching the end of telescope’s mechanical focus travel.
Low Stock - order now or contact us to reserve
£244.00
Celestron Nikon T-Ring, T-mount for Nikon DSLR
Genuine Celestron product - Better compatibility and reliability. One of the first accessories you will need - If you want to take pictures through a telescope or spotting scope. Attaches to - Nikon DSLR and SLR camera bodies. Sturdy bayonet flange locks in place - Just like a lens, providing secure contact. Attaches to a variety of camera adapters and accessories - via standard T Threads.
In Stock
£19.90
Celestron NexYZ Universal Smart Phone Adapter - 3-Axis, with Bluetooth remote
Attach your smartphone to any telescope, spotting scope, binocular, monocular or microscope - use your smartphone as a camera with a long telephoto lens. Fits any scope or binocular eyepiece from 35 mm to 60 mm in diameter - will also attach to microscopes with the addition of the included adapter ring,. Three directional knobs to perfectly align your phone in seconds - stands up to rigorous field use thanks to its robust, durable construction with a metal frame that weighs just 284 gm. Bluetooth remote - easy, shake-free wildlife, bird or star shots.
Good Stock
£69.90
Celestron Eyepiece Filter Set, 1.25in
Add new life to your telescope - 1.25” Eyepiece & filter kit includes 14 accessories. Eyepieces - All five Plossl eyepieces can be used in any telescope with a 1.25” focuser. 2X Barlow Lens - The included 2X Barlow doubles the magnification of any 1.25” eyepiece. Filters - Coloured filters can be used to bring out certain details on a planet’s surface or its cloud structure. The Moon filter - Helps block out a portion of the light the Moon sends into your eyepiece so that you can see details better. Metal Case - The sturdy metal carry case has die-cut foam inside to protect and cushion your accessories.
Low Stock - order now or contact us to reserve
£44.90
Celestron Moon Filter Kit, 1.25in
Essential Kit - For those looking to take the next step in exploring their telescope’s full lunar capability . Four great Moon filters in one kit - Everything you’ll ever need for optimal views of the lunar surface. Three neutral density (ND) filters - Different levels of light transmission allow you to choose the perfect filter for your viewing conditions. Moon and Sky Glow filter - Provides high contrast views of the lunar surface and enhances observation of deep sky objects from light polluted skies. Aluminium filter cells - Provide a rigid, durable housing for the filter glass and are threaded on top and bottom for stacking. Kit includes a plastic carrying case - With Moon map and legend for identifying the most popular lunar features.
In Stock
£49.90 £44.90
Celestron Variable Polarizing Eyepiece Filter, 1.25in
Selectively reduce the brightness of celestial objects - Brightness can be reduced to just 1% or as much as 40%. Simply rotating the filter’s lower ring - Image gets brighter or dimmer. Does not alter the colour of the object you’re observing - Making it a great choice for Astro-imaging. Darken the blue sky background when hunting for Venus or Jupiter in the daylight - Making the planet stand out from the background. Threads on to any Celestron 1.25” eyepiece - Threaded on both sides so you can stack it with other filters.
Low Stock - order now or contact us to reserve
£39.90 £34.90
Celestron StarPointer Finderscope
StarPointer Finderscope - Adds “point and look” functionality to any telescope. Red dot finder keeps the sky right-side up - Matching what you see with your unaided eyes. Adjustable red dot - Bright enough to see day or night. Attaches to just about any telescope - Thanks to the small footprint. Includes mounting base - Plus long-lasting CR2032 3V battery.
In Stock
£24.90 £22.90
Celestron StarPointer Pro Finderscope
Designed by astronomers for astronomers - Allows you to precisely zero in on your target. Projects a dual-circle reticule - Not a red dot that can obscure your subject. 40mm optical window offers a wider field of view - Acquire targets quickly and easily. Brighter LED - Easy visibility during the day. Easy dovetail connection - No tools required.
Good Stock
£34.90 £32.90
Celestron Powertank Lithium LT
This handy device is a must-have - For your telescope and accessories, camping gear, emergency kit, and more. Compact, lightweight - Portable lithium power pack. Built in 12 volt regulating circuit - Provides your telescope with up to 8 hours of consistent power at the proper voltage . Comes with a rapid charge USB port - Fast charging your electronic devices in the field. Travel with PowerTank - At 73.3 watt-hours, it meets current FAA regulations (160 Wh) for transportation in your carry on baggage. Out of the way - Use the included 2” straps to secure the unit to your tripod leg .
In Stock
£129.00
Celestron Moon Map
Don't get lost looking for cheeeese - Double sided map of the lunar surface highlights key features like craters and maria that you can explore. Features a directory of the best craters and lunar features - With coordinates to find them. Detailed lunar observing tips - Information about key lunar regions on the reverse side of the map. Map is 24" x 24" for easy reading or display - Folds to just 8" x 4" for easy transport to your observing site. Map is waterproof and tear resistant - Topography by renowned lunar cartographer, Ralph Aeschliman.
Good Stock
£9.90
Celestron PowerTank 7, 12v 7Ah
Now you can take your telescope anywhere - Portable rechargeable power supply. Whether you have a computerised telescope or operate the telescope using motors - Celestron specially designed this product with the amateur astronomer in mind . Two built in USB ports - For charging portable devices. Two 12V output cigarette lighter ports - Cigarette lighter adapter included. Built-in flashlight - With red filter cap. Can also be useful as an emergency roadside accessory - Includes an emergency light, and booster terminals in place to start weak car batteries.
Low Stock - order now or contact us to reserve
£109.00
Celestron PowerTank 17, 12v 17Ah
Large capacity - 17000 Mah provides several hours of power to your Celestron telescope. Charge other devices - The PowerTank 17 also features two 12v and two 5V output ports which allow you to charge multiple devices. Torch - The built-in torch with a tilting head allows you to navigate with ease under the dark night sky. Radio - The PowerTank also comes with a built-in siren and AM/FM radio for emergencies.
Low Stock - order now or contact us to reserve
£179.00 £169.00
Celestron PowerTank Lithium
Rugged design make it the perfect outdoor power supply - Ideal outdoor portable charging solution for your electronic gear. Portable power pack for your computerised Celestron telescope - Using Lithium Iron Phosphate (LiFePO4) chemistry. Smaller, lighter, safer, and easier to maintain - Than lithium-ion and sealed lead acid designs. Up to 2000 charge cycles - Four times more than lithium-ion and seven times more than sealed lead-acid designs. Un recharged shelf life of up to ten years Three times better than lithium-ion and ten times better than sealed lead-acid designs. Battery shuts off automatically when insufficient current flow is detected - Prevent you from inadvertently draining your battery.
Low Stock - order now or contact us to reserve
£189.00 £149.00
Celestron Universal Mains Adapter Multiplug
Genuine Celestron product - Better compatibility and reliability. Enjoy your telescope without batteries with this AC adapter - When using your telescope at home or near any wall outlet. Running your telescope off of AC power is hassle-free - Much more reliable than other methods. 2 amp AC Adapter - AC adapter comes with US, UK, EU, and AU adapter plugs .
In Stock
£39.90 £29.90
Celestron ThermoTorch 5 Black
Rugged 3-in-1 outdoor essential - A tactical flashlight, hand warmer and power bank. Flashlight provides 3 modes of white light illumination - Internal lithium battery provides a total of 22 hours of light on a single charge. If your hands get cold - Take advantage of the hand warmer function, which provides up to 6 hours of continuous heat. Mobile devices need an extra boost of power - Plug them into ThermoTorch 5’s 5V-2.1A charging port. Own multiple Celestron Elements devices- You can connect them to ThermoTorch 5 to provide even more power using the C-Link feature. A true workhorse of an accessory - Indispensable addition to your adventure pack or emergency kit. End of line - available while stocks last
While stocks last - Two Only
£49.90 £39.90
Celestron 1.25in Observers Accessory Kit
Eight piece accessory kit - Enhances the performance of your telescope. Two extra 1.25” Plossl eyepieces and a Barlow lens - You’ll have four different magnifications to choose from. 2 x Barlow lens - Can be used visually or photographically. Moon filter helps to dim the bright light from the Moon - Making it more comfortable to view so you can see more detail. Two colour filters (Red and Blue) - Highlight features on Mars, Jupiter, and Saturn. Hard plastic carry case - Keeps everything safe in the foam lined interior.
Good Stock
£129.00
Celestron T-mount adaptor for DSLR, 1 1/4 inch
Genuine Celestron product - Better compatibility and reliability. Universal T-Adapter - Connects a DSLR or SLR camera to a refractor for prime focus photography. Chrome barrel - Slides into any focuser that accepts 1.25” accessories. T Threads - Accept camera brand specific T-Ring (sold separately).
Celestron Astromaster Accessory kit
Economical eight piece eyepiece and filter accessory kit - Enhances the performance of your Celestron AstroMaster telescope. Two extra 1.25” eyepieces and a Barlow lens - You’ll have four different magnifications to choose from. T-Threads are machined into this Barlow lens - Allowing a user to attach a DSLR camera with the addition of an optional T-Ring. Moon filter helps to dim the bright light from the Moon - Making it more comfortable to view so you can see more detail. Two colour filters (Red and Blue) - Highlight features on Mars, Jupiter, and Saturn. Hard plastic carry case - Keeps everything safe in the foam lined interior.
In Stock
£79.90 £69.90
Celestron Moon Filter - 1.25in
Genuine Celestron product - Quality and compatibility assured. Reduce glare - Increase contrast of the Moon. Useful for extra bright planets - As well as terrestrial viewing over sand or snow. Simply screws on to the insert barrel of most 1.25” eyepieces - It only takes a second or two to transform your regular eyepiece into one suited for lunar observations.
Good Stock
£14.90
Celestron Tripod for Tabletop StarSense Explorer Dobsonian Telescope
Adjustable tripod - Extends the versatility of you Tabletop telescope. Secure - lock your Dobsonian base and telescope on to the tripod using three captured screws. Lightweight and convenient - Folds away for storage.
Celestron Padded Carrying Bag for Celestron ORIGIN Intelligent Home Observatory
Safeguard your Celestron Origin - This sleek, grab and go case for Origin’s 6” RASA telescope tube. Durable triple layer construction - water resistant 900 denier outer shell, 1.5” thick EPE foam padding, and a super soft inner lining. Easy to load and unload - Multiple zippers provide instant access to the tube,. Two carrying options - Sewn in carry handles or padded, adjustable shoulder strap.
Celestron NeXGO Smartphone Adapter
A complete digiscoping solution - NexGO connects your smartphone to your optic eyepiece. NexGO design works with most optics including telescopes (with most 1.25 eyepieces), spotting scopes, binoculars, monoculars, and microscopes. Features two directional knobs (X and Y axis) that perfectly align your phone camera with the eyepiece in seconds. Stands up to rigorous use thanks to its robust, durable construction with a metal frame and polymer body.
Celestron Eyepiece & Filter Kit
This 1.25” Eyepiece & Filter Kit includes 14 accessories - Add new life to your telescope and your observing!. Eyepieces - All five Plossl eyepieces can be used in any telescope with a 1.25” focuser. 2X Barlow Lens - The included, and very versatile 2X Barlow doubles the magnification of any 1.25” eyepiece. Filters - Coloured filters can be used to bring out certain details on a planet’s surface or its cloud structure. The Moon filter - Helps block out a portion of the light the Moon sends into your eyepiece so that you can see details better. Metal Case: The sturdy metal carry case has die-cut foam inside to protect and cushion your accessories.
Celestron Canon EOS T-Ring, T-mount for Canon EOS DSLR
Genuine Celestron product - Better compatibility and reliability. One of the first accessories you will need - If you want to take pictures through a telescope or spotting scope. Attaches to - Canon EOS DSLR and SLR camera bodies. Sturdy bayonet flange locks in place - Just like a lens, providing secure contact. Attaches to a variety of camera adapters and accessories - via standard T Threads.
Celestron Sony T-Ring, T-mount for Sony Alpha mirrorless cameras
Genuine Celestron product - Better compatibility and reliability. One of the first accessories you will need - If you want to take pictures through a telescope or spotting scope. Attaches to - Sony Alpha mirrorless camera bodies. Sturdy bayonet flange locks in place - Just like a lens, providing secure contact. Attaches to a variety of camera adapters and accessories - via standard T Threads.
Celestron Neutral Density Filter, 1.25in
Reduces brightness and cuts glare. Increases clarity of the Moon, Venus, and bright double stars. 13% light transmission. Provides a true colour image. Threads on to any Celestron 1.25 inch eyepiece.
Celestron Soft Bag for 34 inch Tripod
Celestron Soft Bag for 34 inch Tripod
Still carrying your bulky tripod box to remote observing sites? Let us lighten your load with our sleek, protective, padded tripod carrying case, the perfect storage solution for transporting your gear anywhere with ease and confidence. It’s truly a must-have for tripod owners of all stripes.
Ultra-durable Material
The Tripod Soft Case is constructed...
Celestron Soft Bag for 40 inch Telescope & Tripod
Celestron Soft Bag for 40 inch Telescope & Tripod
Store your entire telescope kit—optical tube, mount, and tripod—in one protected, portable, grab-and-go case
Ultra-durable 900 denier outer and super smooth inner polyester layers, sandwich 16mm thick EPE foam sheets to create a protective barrier for your telescope, tripod and mount
A PVC-reinforced hard bottom panel provides...
Celestron Padded Carrying Case for 8 inch Optical Tube
Celestron Padded Carrying Case for 8 inch Optical Tube
Still carrying your bulky optical tube box to remote observing sites? Let us lighten your load with our sleek, protective optical tube carrying case, the perfect storage solution for transporting your tube anywhere with ease and confidence. It’s truly a must-have for telescope owners of all stripes.
Ultra-durable Material
The 8" Optical...
Celestron Car Battery Adapter
Celestron Car Battery Adapter
Power your Celestron computerized telescope from your car battery or a portable 12V DC power supply
Barrel connector plugs into the 12V input jack on the telescope drive base
Power connector fits standard automobile cigarette lighter receptacles, also found on portable 12V battery packs like the Celestron PowerTank
25-foot cord for lots of reach
The hobby of...
Celestron Cable, USB to RS-232 Converter
For use with Celestron GoTo computerised telescopes. Converts the RS232 serial cable - EX27973 to a standard USB cable. Allows a NexStar handset to be updated with Celestron CFM or for the telescope mount to be remotely controlled.
Celestron X-Cel LX Eyepiece - 1.25in, 12mm
Celestron X-Cel LX Eyepiece - 1.25in, 12mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 18mm
Celestron X-Cel LX Eyepiece - 1.25in, 18mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 2.3mm
Celestron X-Cel LX Eyepiece - 1.25in, 2.3mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 25mm
Celestron X-Cel LX Eyepiece - 1.25in, 25mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 5mm
Celestron X-Cel LX Eyepiece - 1.25in, 5mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 7mm
Celestron X-Cel LX Eyepiece - 1.25in, 7mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron X-Cel LX Eyepiece - 1.25in, 9mm
Celestron X-Cel LX Eyepiece - 1.25in, 9mm
X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.
A treaded rubber grip offers a no-slip grip, even with gloves on
1.25” barrels are threaded to accept filters
Celestron...
Celestron PowerTank Lithium Pro
Extra large capacity portable power pack - Featuring Celestron’s LiFePO4 battery technology. Large, 17-hour capacity and lack of maintenance - PowerTank Lithium Pro the ideal choice for an emergency kit. Features two USB ports for charging other devices - Plus a 12V car battery adapter port. LED light panel provides bright white or red LED illumination - Up to 25 hours. Battery shuts off automatically when insufficient current flow is detected - Prevent you from inadvertently draining your battery. Travel with PowerTank - At 158.72 watt-hours, it meets current FAA regulations (160 Wh) for transportation in your carry on baggage.