The P5R uses a floating charge system to recharge on the go. The system can be used with a USB port or a standard wall plug-in. The P5R has a light output of up to 200 lumens and can be recharged up to 1000 times (using one lithium ion battery) making it not only powerful, but economical as well. Ounce for ounce it's the most powerful LED light on the market.
*Only LL brand ICR 14500 batteries can be used with this light. Cannot use regular batteries.