This is the EPIC 6-Cell, 1500mAh NiCd Assembled Sport Battery Pack. FEATURES: Epic sport packs offer you the most mAh for the dollar in R/C INCLUDES: One 6-Cell, 1500mAh Assembled Flat Battery Pack. SPECS: Number of cells: 6 Cell type: 1500mAh Total assembled voltage: 7.2V. Batteries are assembled in flat configuration. Connector type: Standard with 4" (16 gauge) wire. Charge rate: 4-5 amps. Timed or peak charge. Discharge rate: 5-15 amps. Minimum discharge voltage: 6.6V Discharge average: Unknown Suggested usage: Sport racing Batteries are Unmatched. Battery pack size: 5-1/4" (133mm) long, 1-3/4" (44mm) wide, 7/8"(22mm) thick