Modified Electric Mountain Bike Triangular Plastic Shell Lithium Battery Pack

Product information:
Specification: Triangle plastic shell (48V20.8Ah), triangular plastic shell (48 V24Ah), triangular plastic shell (48V25.6Ah), triangular plastic shell (48 V28Ah), triangular plastic shell (52V20.8Ah), triangular plastic shell (52 V24Ah), triangular plastic shell (52V25.6Ah), Triangle plastic shell (52 V28Ah)