... .4V optional 3.Charging current:1-5A Product Name: Universal desktop LiFePO4 battery charger Specifications 1. Input voltage: 100-240Vac, 50 ... , green after fully charged 7. Output short-circuit protection, battery reverse polarity protection 8. Used for charge LiFePO4 Lithium iron ... phosphate battery pack of 2AH-20AH CE,RoHS,UL conformance. OEM ...