Hama ProClass Battery, Li-Ion, 900 mAh, Battery, Silver, 3.7 V, Blackberry 8300, Lithium-Ion (Li-Ion), 900 mAh Hama ProClass Battery, Li-Ion, 900 mAh. Product type: Battery, Product colour: Silver, Battery voltage: 3.7 V. Compatible products: Blackberry 8300. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 900 mAh