Optimized Car Battery for Automobiles

The battery's electrical specifications include a nominal voltage of 12 volts, a capacity of 72 Ah at the 100-hour rate, 65 Ah at the 20-hour rate, 58 Ah at the 10-hour rate, and 52 Ah at the 5-hour rate. It has a cold cranking amperage (CCA) of 825 and a maximum cranking amperage (MCA) of 1000, with a short-circuit current of 2138 amps and an internal resistance of 2.5 mΩ.

The charging voltages for different battery configurations are as follows: for 12V, the bulk and absorption stages are both 14.7V, and the float stage is 13.6V; for 24V, the bulk and absorption stages are 29.4V, and the float stage is 27.2V; for 36V, the bulk and absorption stages are 44.1V, and the float stage is 40.8V; for 48V, the bulk and absorption stages are 58.8V, and the float stage is 54.6V. The temperature compensation factor is -4mV/°C/cell.

The recommended temperature range for storage is -15°C to 50°C, and for operation, it is -15°C to 40°C. The charging temperature range with temperature compensation is -15°C to 50°C, and without temperature compensation, it is 0°C to 40°C.

The battery's mechanical specifications include a group size of 34, with an M8 terminal type (including a TP28 brass AP). The total height is 7.36" (187 mm), with a height of 7.20" (183 mm), a width of 6.77" (172 mm), and a length of 10.28" (261 mm). The weight is 45.9 lbs (20.8 kg), and the case is made of ABS plastic with a UL94-HB flame resistance rating.

The discharge table provides the constant current discharge rates and times: at the 20-hour rate, it is 3.3 Amps; at the 10-hour rate, 5.8 Amps; at the 8-hour rate, 7.1 Amps; at the 5-hour rate, 10.4 Amps; at the 3-hour rate, 18 Amps; at the 2-hour rate, 21.8 Amps; and at the 1-hour rate, 47 Amps.

This battery replaces the FT825-34 model and has a capacity of 65 Ah, 825 CCA, and dimensions of 10.28" x 6.77" x 7.17", with a total height of 8.31" including the terminals. It comes with a 4-year manufacturer's warranty.

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