OHYES BAT for Makita 9 6v Battery Replacement Power Tool 3000mAh for Makita 9100 192019-4 Battery Type: Ni-MH| Voltage: 9.6V| Capacity: 3000mAh| Color: Red Products from OHYES are CE certified, tested by manufacturer to match OEM products Battery Storage - If there is no need using the Power Tool Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use. Keep the Maktia Power Tool Battery Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device. OHYES battery enjoys 30 Days Money Back and 12 Months Guarantee!