Upgraded Version: Suitable for electric drills with a starting current of 120A or less and a power of 260W or less. Application: Suitable for lithium batteries with a nominal voltage of 3.7V and a total voltage of 4.2V (including 18650,26650, polymer lithium batteries, no size limit). Charging voltage: 12.6V-13.6V Continuous discharge current (upper limit): 60A (If the heat dissipation environment is not, please reduce the charging current) Color: Green Material: PCB Size: 41 x 55 x 3.4mm Package Contents: 10 x Battery Protection Board Only the above package content, other products are not included. Included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.