Synergy Digital Cell Phone Battery, Works with BlackBerry Curve 9310 Cell Phone, (Li-ion, 3.7, 1550mAh) Ultra High Capacity, Compatible with BlackBerry JS1 Battery - Walmart.com
Amazon.com: BlackBerry OEM Blackberry Original J-S1 Battery, And Spare Sleeve Battery Charger For Curve 9220 9230 9310 9320 BULK PACKAGING : Cell Phones & Accessories