The RITAR OPzV 2-1000 battery is the right battery for your devices. Durable housing, long life, and a wide range of applications—that's what RITAR batteries are all about! Specifications: • Number of elements - 1 • Terminal type - F10 (M8) • Voltage - 2 V • Internal resistance - 0.5 mOhm • Capacity - 1000 Ah • Maximum discharge current - 3800 A (5 sec.) • Maximum charging current - 200 A • Charging voltage in cyclic mode - 2.23 V ~ 2.25 V at 25 ° C • Charging voltage in buffer mode - 2.30 V ~ 2.35 V at 25 ° C • Operating temperature range: - Discharge: -20 ° C ~ 60 ° C - Charge: 0 ° C ~ 50 ° C - Storage: -20 ° C ~ 60 ° C - Normal operating temperature range: 25 ± 5 ° C • Device dimensions (L x W x H) - 233 x 210 x 645 (680) mm • Weight - 70 kg (Tolerance ± 5.0%) Please note! Failure to comply with the voltage and charge/discharge current specifications may damage the battery and void the warranty.