Amazon.com: Synergy Digital Cell Phone Battery, Works with Nokia Lumia 521 Cell Phone, (Li-ion, 3.7, 900mAh) Ultra High Capacity, Compatible with Nokia BL-5J Battery : Cell Phones & Accessories
Amazon.com: Synergy Digital Cell Phone Battery, Works with Samsung Smooth U350 Cell Phone, (Li-ion, 3.7, 900mAh) Ultra High Capacity, Compatible with Samsung AB553446GZ Battery : Cell Phones & Accessories
Amazon.com: Synergy Digital Cell Phone Battery, Works with LG ZNFH 345 Cell Phone, (Li-Ion, 3.7V, 1500 mAh) Ultra Hi-Capacity, Compatible with LG BL-41ZH Battery : Cell Phones & Accessories