Features: Great replacement battery, it can work with many power tools. Large capacity battery allows long time working which lasts much longer than usual battery. High quality material, high product standards, protection from short circuit, internal overheating, overloading and overcharging, long service life and safe to use. Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery. No memory effect allows to charge at anytime and virtually no self-discharge is for maximum working efficiency. Suitable for working with power tools, electric drills, gardening tools, etc.