The Hohm Sherlock 20700 Battery by Hohm Tech is a rechargeable 20700 battery. It has a 3116mAh capacity, a 4.25V Max Voltage, and a 30.7A continuous discharge rate.
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The Evod 650 is a rechargeable, 650 mAh capacity pen-style battery. Has a constant voltage output of 3.7V and a connection point that accommodates both eGo and 510 threading.