Battery type: Li-ion; Cells: 6-cell; Capacity: 5200MAH; Voltage: 11.1V. The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. Battery for SAMSUNG R718, R720, R728 R730, R780, R780-JT01, RC410, RC510, RC710, RF411, RF512, RF711, RF712, RV409, RV409I, RV420, RV440, SAMSUNG RV509, RV509E, RV509I, RV520, RV540, RV72, SF410-A01, SF410-A02 Compatible models: Samsung R428 /R429 /R430 /R440 /R467 /R468 /R469 /R528 /RV410 /RV411 /RV415 /Q318 /Q320 /Q460 /Q470 /RV511 /R530 /R520 /R780 /RV720 /200A4 /300E4 /355V4 /355V5 /355E4 Series Security & Reliability: Our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 100% New from Manufacturer, Overcharge and Overdischarge Circuit Protection, Over-temperature and Short-circuit Protection, up to 500 recharge cycles over the life of the battery, meet OEM standard. Warranty & Support: Full refund in 30 days, 1