Dtk Performance Laptop Battery Replacement for Dell Latitude E6120 E6220 E6230 E6320 E6320xfr E6330 E6430s Series, 312-1241 312-1242 [Li-ion 11.1v 4400mah] 12 Months Warranty Battery type: Li-ion; Capacity: 4400mAh; Cells: 6-cell; Voltage: 11.1V. Compatible Models : DELL Latitude E6120 / E6220 / E6230 / E6320 / E6320 XFR / E6330 / E6430S Compatible Part Numbers: RFJMW / J79X4 / K4CP5 / Y61CV / 312-1241 / 312-1381 / FRR0G / HJ474 / MHPKF / YJNKK / 312-1239 Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability.New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries(6-cell, 4400mAh): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.24 x 7 email support, 12-month hassle-free warranty. Latitude E6120 Latitude E6220 Latitude E6230 Latitude E6320 Latitude E6320 XFR Latitude E6330 Latitude E6430S J79X4/ K4CP5/ RFJMW/ Y61CV/ 312-1241/ 312-1381/ FRR0G/ HJ474/ MHPKF/ YJNKK/ 312-1239/ 09K6P/ 0F7W7V/ 0FRR0G/ 11HYV/ 312-1446/ 3W2YX/ 451-11702/ 451-11703/ 451-11704/ 5X317/ 7FF1K/ 7M0N5/ 823F9/ 9GXD5/ 9P0W6/ CPXG0/ CWTM0/ F33MF/ F7W7V/ FHHVX/ FN3PT/ HGKH0/ JN0C3/ K94X6/ KFHT8/ NGXCJ/ R8R6F/ RCG54/ RXJR6/ TPPHRG/ V7M6R/ WJ38/ WJ383/ WRP9M/ Y0WYY/ Y40R5 / 451-11979/ 451-11980/  GYKF8/ overheating protection overcurrent protection overvoltage protection overcharge protection over discharge protection short circuit protection Cells QTY6 Voltage(V)11.1V Capacity4400mAh ColorBlack Dimension214.8*57.58*21.3mm N.W.315g TypeLi-ion