Titan Brand-Replacement Animal handheld vacuum cleaner Battery for DC44 Li-ion Battery for Dyson Dc31 Dc-31 917083-01 91708301 Handheld Vacuum Cleaner Replacement Battery Type: Li-ion, Voltage: 22.2v Capacity: 1500mah Safeguard features against incorrect voltage, short circuit, internal overheating. Certified, tested by manufacturer to match and/or exceed specifications of OEM products. Titan Brand**2 Year Warranty