... With high stored energy density, The lithium battery has is the lead acid batteries about six to seven times ... its life ,3,The lithium battery working voltage is 3.7 V or 3.2 V,4,The ... capacity5,The lithium battery Self-discharge rate is very low,6 The lithium battery is in Light weight,7,The ... lithium battery has High/low temperature adaptability is strong,8,The lithium battery has the protection ...