Specification: Product Name: INR18650-30Q 3000m Ah Unprotected Button Top Model:18650 Nominal voltage:3.6 V Discharge cut-off voltage:2.5 V Nominal discharge capacity:3000m Ah Discharge: 2.5 V Charging mode:CC-CV, 4.200.05 V, 100m A cut-off Charging time: Standard charge: 180 min / 1500m A Rapid charge: 60 min / 4 A Max. continuous discharge: 20 A Cell weight:48.0g Cell dimension:64.850.15mm (H)X18.330.07mm (D) Description:1. Do not incinerate;2. Do not disassemble;3. Do not short positive & negative contacts;4. Do not expose to heat;5. Do not completely discharge;6. Do not use force to install a li-ion battery;7. Use only high quality battery charger;8. Charge fully before first use;9. Store in cold & dry place at Approx. nominal voltage. Pacakge Included:1 x INR18650-30Q 3000m Ah Unprotected Button Top