3.7V Rechargeable Lithium Ion Battery

Performance Tool 3.7V Rechargeable Lithium Ion Battery

High-capacity, reliable power — a direct replacement for ATAK™ rechargeable flashlights and compatible with many other devices. Engineered for long life and consistent performance, this battery keeps your tools ready when you need them most.

• Voltage: 3.7V
• Capacity: 2600mAh for extended run time
• Dimensions: 2.62" x 0.72" (69.2mm x 18.3mm)
• No memory effect: recharge up to 1200 cycles whether fully or partially drained
• Built-in circuit protection: prevents overcharge, over-discharge, and ensures safe venting

Ideal for professionals and hobbyists who need dependable rechargeable power. This compact lithium ion cell is optimized for flashlight applications but also fits other compatible devices that accept this size and voltage.

Why choose Performance Tool? Because you want a battery that delivers higher capacity, safer charging, and long-lasting reliability—backed by a trusted tool brand.