Intellect Brothers 9.6 Volt 2000mAh battery for SRC crane-type retractable stocks. These high output cells can support a maximum sustained output of up to 30Amps, making it great for upgrades. This battery can be used in some other custom configurations at your discretion as well. We recommend only using peak chargers with this battery pack, and do not charge these cells greater than 2 Amps for proloning battery life and best performance results.