Amazon.com: Replacement Battery for GRESSOCruiser Grand Luxor Regal Nokia BL -4CT : Cell Phones & Accessories
Genuine Nokia Battery Model BL-4CT for Nokia 2720 5310 Express Music 5630 | eBay
Battery Bl-4ct For Nokia 5310 6700 7230 7310 X3 - Mobile Phone Batteries - AliExpress
Synergy Digital Cell Phone Battery, Works with Nokia BL-4CT Cell Phone, (Li-Ion, 3.7V, 820 mAh) Ultra High Capacity, Compatible with Gresso BL-4CT Battery - Walmart.com