Button Battery Nickel Metal Hydride rechargeable button cell: 1.2V, 2.4V, ... batteries (AA&AAA, LR03, LR6). 2. 1.2V Ni-Mh, Ni-CD button cell battery 3. 3.6V Li-ion button cell (LIR2016, LIR2025 ... (L621, L736, L1131, L1154) and accordingly battery accessories(battery holders,battery boxes,battery pins),andwe also provide processing battery tabs according to the customers requirementto ...