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SureFire Rechargeable Li-Ion 18650 Battery for P1R Peacekeeper. The SureFire 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 "protected" battery because it features a protection circuit module (PCM), which provides safety features "unprotected" 18650 batteries do not, including protection against overcharging, over-discharging, excessive current draw, and short-circuiting.

SureFire Rechargeable Lithium-ion Battery Features:

• Long-life rechargeable Li-Ion battery provides a minimum of 500 charge cycles
• Built-in PCM protects against overcharging, over-discharging, excessive current draw, and short-circuiting
• Backed by SureFire No-Hassle Guarantee

SureFire Rechargeable Lithium-ion Battery Specs:

• Length: 2.56"
• Weight: 1.64 ounces
• Capacity: 2600 mAh
• Voltage: 3.7 volts