... OEM & ODM LiFePO4 battery pack (PC-6043100 2200mah),rechargeable batteryType: LiFePO4Spec: 6043100Volt: 3.7vCapacity: 2200mahPack way: polymer cell+2 wiresApplication for solar charger.Advantage ... warranty,passed CE, UL,RoHS, SGS, ATC, REACH, ISO9001:2000 For LiFePO4 battery pack (PC-6043100 2200mah)