2.Divided according to the voltage of the battery, the more commonly used is 12 volts, there are 16.8 volts, and 21 volts.
2.Divided ອີງຕາມແຮງດັນຂອງແບັດເຕີຣີ, ທີ່ໃຊ້ກັນຫຼາຍກວ່າ ຫມູ່ ແມ່ນ 12 volts, ມີ 16,8 volts, ແລະ 21 volts.