About This Battery Specifications—2600mAh high-capacity rechargeable lithium-ion battery, 7.4V, 19.24Wh. Battery dimensions (3.86 × 2.17 × 0.87 inches) feature a lightweight design (105g/3.7oz). Perfect Compatibility — Specifically engineered for Brady BMP21-Plus, BMP 21-LAB, BMP 21, IDPAL, and LABPAL label makers, ensuring precise fit and stable performance. Charging Indicator — Includes a USB-C charging cable for fast and convenient charging. Built-in indicator clearly displays charging status: red - charging, green - charged, keeping you informed at all times. Effortless Installation & Charging — Snap-in design allows tool-free replacement. High-quality Li-ion batteries extend operating time without memory effect and support charging at any time. Safe & Reliable Quality— Each replacement battery is FCC and RoHS certified, meeting stringent quality standards. Built-in protection against overcharging, over-discharging, over-voltage, over-current, and overheating ensures safe and reliable device operation. Overview Number of Batteries : 1 Lithium Ion batteries required. Brand : Runpower Recommended Uses For Product : Brady BMP21-Plus, Brady IDPAL, Brady LABPAL, Brady M210 Unit Count : 1.0 Count Voltage : 7.4 Volts