The battery was charged for 8 hours at a voltage of 2.5 V and a current of 4 A. What is the energy reserve in the battery?

1. Find the battery capacity:

E = 4 * 8 = 32 (A * hour);

2. Find the battery energy:

W = 32 * 2.5 = 80 (W * hour).

Answer: The energy reserve in the battery is 80 W * h.



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