TechFuel 6 Cell, Battery for Dell Inspiron B130 Laptop TechFuel rechargeable battery packs feature the latest battery technology including advanced circuitry, voltage regulator Battery Storage Capacity: 4400 mAh / 49 Wh, Voltage: 11.1 volts, Chemistry: Li-ion This TechFuel battery has a one-year limited warranty and a thirty-day money back guarantee when purchased from Batteryheads