The Port type:XH2.54-2 Pin Plug, 2S1P Li-ion Batteries 7.4V 2600mAh Li-ion Rechargeable Battery is engineered to provide reliable, long-lasting energy for a wide range of electronics. Whether you're powering a Bluetooth speaker at a party, a remote-controlled toy for kids, or outdoor lights for camping, this battery ensures uninterrupted performance.