Now I’ll give him a charge in the amount of 6-7 amps for 5 — 10 seconds, and then immediately discharges through the fan 12 volts 2.5 amps. As seen in the discharge lasted over 2 minutes.
Such an experiment we conducted 10 000 times, and each time the battery is receiving a charge 7 amps and the fan worked more 2 minutes. After 10 000 times the batteries still work. In this video I show the batteries who have worked more than 10 000 times.
I ask you to take into account the fact that the batteries in the amount of 2 batteries of 2.4 volt, subjected to intense discharge (discharge to accelerate the process I put the fan 12 volts 2.5 amps). This factor has a significant impact on the state of the battery, but thanks to our device batteries retain their properties after 10 000 charges / discharges.