All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Precision Compatibility With MK 4V Devices: Exclusively designed to replace 48-11-2131 batteries. Works seamlessly with headlamps (2163-21, 2114-21) and flashlights (2112-21, 2128-21). Snaps in perfectly – no modifications, no hassle.
High-Capacity 4V Lithium Battery – Longer Runtime: Powered by high-density lithium-ion cells, this 3200mAh / 11.84Wh battery delivers 20% more runtime than the original 48-11-2131. Get 14+ hours for MK 2114-21 headlamps and 9+ hours for 2112-21 flashlights – perfect for construction sites, night shifts, and outdoor projects.
Battery capacity: 4V / 3200 mAh (11.84 Wh) lithium-ion. Plenty of power for multiple repairs or a weekend camping trip—no outlet hunting. And it's airline-friendly, so just toss it in your carry-on.
Built to Last – Rugged & Safe: Rugged ABS construction resists drops, vibrations, and extreme temperatures. Built-in smart chip provides full protection: over-charge, over-discharge, over-voltage, over-current, and over-heating protection. ROHS certified – safe and reliable for daily use.
What You Get & 1-Year Warranty: This kit includes 2× 3200mAh rechargeable batteries. Backed by a 12-month replacement guarantee and 30-day money-back refund. Fully recharge before first use for optimal cycle life (1000+ cycles). 24/7 customer support – we're here to help.