The 8.4v 4200mAh NiMH High Output Battery pack fits into most solid stocks and allows for longer playing times similar to other 8.4v large battery packs. However, the battery’s higher output will give your gun a faster rate of fire than other batteries of the same size. This battery pack fits well in guns with solid stocks like the M16, Ak, or the MP5A4.
Milliampere Hours: 4200mAh
Cell Type: Nickel-metal Hydride (NiMH)
Connector Type: Large
Recommended Fit: M16, SR16, Full Stock AK Series, and Full Stock MP5 Series
Rapid Charge up and High Drain Current up to 40 amp