... battery 1,low internal resistance 2,low self-discharge 3,deep cycle life 4,IEC standard NIMH high-rate ... battery pack9,wire and leads ,cassette,Welding tablet connectionDesigned for air pump .As the succedaneum of before NImhbattery, it's environmental ... IEC standards, they can be fast charged with long discharge time, a longer lifespan, a larger capacity and stably performance. Perfect quality ...