Surefire B12 3.7V 200 mAh Rechargeable Battery for XSC

The Surefire B12 is a rechargeable lithium-polymer replacement battery specifically designed for the Surefire XSC micro-compact weapon light series. It supplies the cellular power required to run the XSC and is configured for quick-detach swapping without removing the light from the host pistol. The compact B12 supports the 350-lumen XSC for up to 30 minutes and includes a push-button fuel gauge for on-demand charge checks.

Key Specifications

• The rated capacity is 200 mAh.
• The nominal voltage is 3.7 Volts.
• The cell chemistry is Lithium Polymer.
• The typical charge time is 3.5 hours.
• This pack is rechargeable.
• The onboard fuel gauge is a three-LED indicator.
• Compatibility is specified for the Surefire XSC micro-compact weapon light.
• The battery color is Black.
• Packaging is supplied in a Box.
• Product type is Battery.

This compact, purpose-built battery offers a practical power solution for XSC users who need a field-serviceable, rechargeable pack. Its quick-detach design and readable fuel gauge make routine maintenance straightforward, while the specified charge and capacity figures help plan runtime expectations. The B12 is a focused accessory for operators seeking a reliable replacement battery designed around the XSC platform.