Lithium battery can withstand low temperature -40℃ military-grade lithium ion battery, the use of lithium ion polymer materials, can be quickly charged and discharged. ◆ Product performance ● Safe and reliable ● Short circuit, overdischarge, overcharge, extrusion, acupuncture and other protection. ● Small self-discharge, can be used for a long time ● Long cycle life ● Each single battery composed of batteries, its capacity deviation should not exceed the average capacity value of the group of single batteries ±3%● Single battery internal resistance consistency, in the production process should be controlled. ● Nominal voltage: 25.20V● Rated capacity: ≥9Ah● Operating temperature range: -40℃ ~ 55℃● Cycle life: ≥400 times