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Celestron PowerTank Lithium Power Pack, Black (18771)

Main Products

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The new PowerTank Lithium keeps the charge going for the astronomer on the go.
The Lithium Phosphate (LiFePO4) battery chemistry has significant advantages
over other battery chemistries. - The LiFePO4 has an un-recharged shelf life
of 10 years compared to 3 years for the Lithium Ion and 6-9 months for a
Sealed Lead-Acid battery. - The battery performance of the PowerTank Lithium
degrades at a much slower pace than other chemistries. - The LiFePO4 can be
charged and discharged 2000 times compared to only 500 for a Lithium Ion
battery and 300 for sealed lead-acid designs. - The batteries will last as
long as the telescope you use it with! - The LiFePO4 uses phosphates instead
of environmentally hazardous elements like cobalt or lead commonly found in
other rechargeable batteries. - Can withstand higher temperatures than
lithium-ion designs and will not be a fire danger if accidentally punctured.
This combined with it’s rugged design make it the perfect outdoor power
supply. Keep your telescopes, smartphones, tablets, GPS systems, cameras and
other USB-powered devices as active as you are with PowerTank Lithium—the
ideal outdoor portable-charging solution for your electronic gear.


  • Portable power pack for your computerized 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 7 times more than sealed lead-acid designs
  • Un-recharged shelf life of up to 10 years 3 times better than lithium-ion and 10 times better than sealed lead-acid designs
  • Evironmentally friendly Does not use toxic heavy metals

Additional Information

Free shipping to the continental USA! Most items will ship within 24 hours.

All items ship from the USA!

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  • We accept Paypal only.
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  • We provide a 30 day return policy for a full refund.
  • Some items, such as food, may not be eligble for return.
  • Returned items must be in original packaging and in original condition.
  • We do not cover postage for returned items.
  • Please allow 7 days after we receive your returned item to process the return and refund.


  • Items will be shipped by USPS, UPS, FedEx, or other carrier depending on your location and package weight.
  • All items are shipped from the USA.
  • Our handling time is 2 business days to prepare your package. Please allow up to 4 additional business days for your package to arrive. If you choose upgraded shipping, please allow 2 business days in addition to our handling time.

Our Guarantee

  • We offer a 100% Satisfaction Guarantee on all sales. If you are not happy with your purchase for any reason, please contact us within 7 days of receiving your item. We will happily work with you to find a solution to any problem.
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  • Our goal is always a satisfied customer. In the rare case something goes wrong, before leaving negative feedback, please contact us so we can help make it right!

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Filed under: Eyepieces & Accessories