Celestron PowerTank Lithium 18771-CGL

Celestron PowerTank Lithium The PowerTank Lithium keeps the charge going for the astronomer on the go. The Lithium-Iron 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 Iron and 6-9 months for a Sealed Lead-Acid battery. - The battery performance of the PowerTank Lithium phosphate degrades at a much slower pace than other chemistries. - The LiFePO4 can be charged a...