Ni-MH battery pack, made by Intellect Battery, high performance Ni-MH with high discharge rate capability, never fast charge the battery pack, a good quality charger should be used with proper charge termination method, do not let the battery become warm/hot during charging, do not overcharge, use no more than 0.5A charge rate, fire and explosion is possible if excessly high charge rate is applied. Integy Inc. has no control over how the battery is being used and cannot be responsible for property damage or personal injury, users must assume all risks when handling this product. Please return the product to the retailer or reseller if the user will not accept the risks involved.