1. Strong power, safe use
2. Charge indicator
3. With overcharge/temperature control/over-discharge protection
4. Voltage: 18V
5. Battery type: lithium battery pack
6. Battery standard: 18650 20A discharge
7. Applicable products: for RYOBI P108, BPL-1815, BPL-1820G, BPL18151, BPL1820, P102, P103, P104, P105, P106, P107
8. Weight: about 664g