This battery pack is suitable for various applications and can be used with most hobby equipment, such as rc monster truck, rc beetle, rc hummer, rc battle tank, rc aircraft carrier model. This battery pack made of 8 cells high-capacity Ni-MH AA batteries with perfect performance and long service life. This battery pack can be used as a good replacement for damaged or old batteries. Battery pack size: 100 x 58 x 14.5 mm / 3.94 x 2.28 x 0.57 inch, and built-in standard Tamiya connector. Please make sure your device battery is the same size and connector as the picture shows before you buy it. Package contents:
1 x Ni-MH battery pack
1 x USB charger cable

Cautions:
1. Please turn off the device when low battery to avoid deep discharge.
2. Disconnect the battery with the device when not in use.
3. Never use or charge the battery that has ballooned or swelled, leaks, overheat or anything else abnormal occurs.
4. Never disassemble, puncture, shock or crash the battery, never put the battery into fire.
5. Put the battery at a safe place where infants or kids can not reach.
6. Never overcharge the battery, improper use, such as short circuit or overcharge might cause explosion or fire.