1. Fireproof material, high compatibility, not easy to heat up
2. Charge indicator
3. With overcharge / temperature control / over-discharge protection
4. Built-in intelligent protection chip, real-time monitoring of battery use
5. Voltage: 10.8-12V
6. Battery type: Li-ion
7. Applicable tool models: for Makita BL1040, BL1040B, BL1015, BL1020B, BL1041, BL1041B-4.0Ah, BL1016-1.5Ah, BL1021-2.0Ah