• Volt: 12.0V • Capacity: 4000mAh • Chemistry: Nickel Metal Hydride • Dimensions: 5.75'' x 3.5'' x 0.75'' • 100% original manufacturer compatible • Guaranteed to meet or exceed original specifications • Highest quality Japanese battery cells • Full 1 year warranty • Battery features: Smart battery. Hard plastic casing with 5 slit-type contacts on end and fuel gauge on top.