Kyocera KX1 3250 K480 KE414 KE413 Li-Ion Cell Phone Battery (700-850 mAh) High Capacity replacement Lithium-Ion Battery rated at 700-850 mAh Expect to Approx. Double Your Talk and Standby Times Standard replacement battery for you to keep as an extra power source handy This replacement battery is guaranteed to be compatible and work with your cell phone