The Police P26A 18650 Battery is our best-rated 18650 cell ... The Sony VTC5A 25A Cell is the best cell for high-drain vaping. The pair comes with a listed maximum current rating of 30 A.

Draining a battery is easy. Just put a load across the terminals, maybe an incandescent bulb or a beefy power resistor, and wait. What’s quite a bit trickier is doing so safely. Put too large a ...