The SF18650 is a high-quality lithium-ion rechargeable battery for use in SureFire's P1R Peacekeeper and P1R Peacekeeper Tactical rechargeable flashlights. This long-life rechargeable is good for a minimum of 500 charge cycles. The SF18650 is a Å“protected battery because it features a protection circuit module (PCM), which provides safety features Å“unprotected 18650 batteries do not, including protection against overcharging, over-discharging, excessive current draw, and short-circuiting.
Note: SF18650 batteries are for use in P1R Peacekeeper and Peacekeeper Tactical rechargeable flashlights only. Do NOT attempt to use them to power any other SureFire illumination tool models.