Note: OUR BATTERY ONLY COMPATIBLE WITH GreenWorks 40V G-MAX Tools. (NOT for Gen 1) GMAX batteries (Current version Greenworks) are NOT INTERCHANGEABLE with Gen 1 batteries (Early version Greenworks). Specifications: Voltage: 40V Capacity: 6000mAh Battery Type:LG or Sony Li-ion Cell Replacement Part: G-MAX Batteries 29462 and 29472 Only Compatible Models: (Use "Ctrl+F" to search) GreenWorks G-MAX 40V: 20302, 20672, 20202, 20322, 20262, 20292 21332, 21362, 21242, 21302 22262, 22332, 22342, 22272 24252, 24282 25312, 25302, 25322, 25223, 2500502 26272 27062 2100702, 2100202, 2501302 ST40B410, BA40L210, STBA40B210 Battery only compatible with GreenWorks 40V G-MAX Tools. (NOT for Gen 1) Can NOT Compatible With GreenWorks 29282 Model 29662 !.