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GEL Battery 2 V - 1250 Ah


Article Number
402900422 V - 1250 Ah
Nominal capacity (C10) 1250 Ah (1.8 V cell, 20 °C)
Nominal voltage 2 VDC
Type WhisperPower OPzV Valve Regulated batteries are extremely suitable for applications with extended charge / discharge cycles. They are fully maintenance free. WhisperPower GEL power batteries are based on tubular plate technology and the fixing of the elec
Weight (tolerance 1.5%) 82 Kg
Dimensions l*w*h [mm] (incl. terminals) 233*210*670 mm
Terminal type M 8 / 4
Number of cells 10
Boost Charge Voltage (V/cell) 2.35 VDC @ 20°C
Floating voltage set point (V/cell) 2.25 VDC @ 20°C
Initial charge current (A) 0.4 C10 400 A
Temperature cut-off ratio -4mv/cell/°C
Recommended End of Discharge voltage for 10-hr rate (V/cell) 1.80 VDC/cell
Recommended End of Discharge voltage for 1-hr rate (V/cell) 1.65 VDC/cell
Rated Capacity @ 20°C
Rate to 1.80 VDC per cell
10 hrs discharge 1250 Ah
5 hrs discharge 1085 Ah
1 hrs discharge 570 Ah
Peukert Coefficient 1.21<P<1.23
Time reserve minutes 25 amps discharge 40 hrs
Self discharge Less than 2% per month @ 20°C
Storage time OPzV-power batteries can be stored for maximum 6 months at 20°C. Charging recommended before using
Short circuit current of the battery cell (A) 8540 A
Cycle life at 80% of D.O.D 1250
Internal resistance Approx. 0.24 mΩ



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