7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/ Remote Control/Toy 7.4v battery for Bluetooth Boom Box/ Impact Massager/ Portable DVD Player/ Outdoor Lighting

[Warning] Do not connect the positive and negative terminals in reverse. If you find that the positive and negative terminals are mismatched, a photo tutorial is available for reference. Please ensure port compatibility before purchasing. [High Capacity] 7.4V 2500mAh Li-ion rechargeable battery, which can give your device longer usage time.
Port type: JST-XHP-2, cable length 3.87 inch, size: 2.6 * 1.45 * 0.76 inch, weight only 93g, easy to carry. [Wide Compatibility] Compatible with speaker, walkie talkie, X6 transmitter, bluetooth boom box, portable DVD player, remote control toys, outdoor lights and so on. [Low Self-discharge Rate & Long Service Time] Lithium-ion battery has the lowest self-discharge rate among all types of batteries, generally less than 1%/month, less than 1/20 of NiMH battery. It can be recharged up to 3000 times. High and low temperature adaptability, can be used in environments from -20 to 40. [Smart Chip] Professional battery management system with built-in smart chip provides reliable overcharge, overdischarge, short circuit, overheat, overvoltage and overcurrent multiple safety protection functions. ROHS, CE certified, in line with environmental standards