1X Batería de Litio 2X10Ah 12V LiFePO4 Batería Recargable para Juguete Solar
You can connect up to four batteries in series or parallel, achieving a total capacity of up to 51.2V 40Ah. Battery type: LiFePO4. Cell LiFePo4: Prismatic. 1or 2 X Anvolan 12V 10Ah LiFePO4 Battery AS Picture Shown.