Celestron PowerTank Lithium

{Description}Portable power pack for your computerized Celestron telescope using Lithium-Iron Phosphate (LiFePO4) chemistry
Powers your telescope for up to 10 hours
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
Environmentally friendly – Does not use toxic heavy metals
Battery shuts off automatically when insufficient current flow is detected to prevent you from inadvertently draining your battery