🔋Joiry 10.8V rechargeable battery replaces 855-02 and 855-01. 🔋Voltage: 10.8 Volt. Capacity: 2.5 Ah. Type: Lithium Ion. Cell type: LG or SAMSUNG. 🔋Fit for 10.8V li-ion battery 8000-01, 8001-01 and 8001-02 cordless rotary tools. 🔋All replacement batteries are CE, FCC and RoHS certified. 100% compatible with the originals. 🔋Made by high-quality core, no memory effect, low self-discharge and eco-friendly. pecifications of Replacement Battery: Voltage: 10.8 Volt Capacity: 2.5 Ah Battery Type: Lithium Ion Cells Replacement Part Numbers: 855-02 855-01 Fit for: 8000-01 8001-01 8001-02 Package: 1 piece 10.8V 2.5A Li-ion Replacement Battery Warning: Do not disassemble, crush, puncture, or short external contacts. Do not expose battery to temperature above 100℃. Use only with original charger. If battery pack is cracked or damaged, DO NOT insert in charge.