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Trustfire 3.7V 10440 600mAh battery
Trustfire 3.7V 10440 600mAh rechargeable battery cell is more than enough to run almost any high drain (high discharge current) electronic device.
It has no memory effect
safely Charge 18650, 18500, 18350, 17670, 16340, 14500, 10440 and 10430 Batteries with this double Universal Charger from TrustFire.