*Do not charge the battery of good quality together with that of bad quality. The better performance the closer the capacity/internal resistance of the 3 pack of batteries. The using effect of 2 good-quality batteries + 1 bad-quality battery is equal to the effect of 3 bad-quality batteries. *In the discharge test, the group of batteries with the faster voltage drop is the poor battery.
. *Please note that common 1-8-6-5-0 lithium battery can't power the drill on.
. Applied for any lithium battery with nominal voltage of 3.7V and full voltage of 4.2V (without limitation of shape or size).
. Suitable for the electric drill with starting current below 80A and power below 130W.
. Enables 100mA balanced current and 40A continuous current, gives well protection for the battery and ensures its longevity.
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