... home battery package includes most common size of batteries from AA, AAA, C to D size.Rechargeable LeFePO4 new generation batteries.USB ... battery can charge over 1000 times. The Battery Adaptor is a case just takes one battery position. The 3.2V LiFePO4 ... battery), using LiFePO4 as positive material, is a new generation battery with the advantages of abundant raw materials, green and cost -effective ...