Dtk Battery for Dell E5420 E5430 E5530 E6420 E6430 E6520 E6530 Inspiron 4420 5420 5425 7420 7520 4720 5720 M421R M521R N4420 N4720 N5420 N5720 N7420 Vostro 3460 3560 Laptop Notebook Battery type: Li-ion; Capacity: 4400mAh; Cells: 6-cell; Voltage: 11.1V. Compatible Models: Dell Latitude E5420 / E5430 / E5520 / E5530 / E6420 / E6430 / E6520 / E6530 / / Inspiron 4420 / 5420 / 5425 / 4520 / 5520 / 5525 / 7420 / 7520 / 4720 / 5720 / M421R / M521R / N4420 / N4520 / N4720 / N5420 / N5720 / N7420 / / Vostro 3460 / 3560 Compatible Part Numbers: T54FJ / 71R31 / M5Y0X / 8858X / T54F3 / UJ499 / YKF0M / PRRRF / P8TC7 / P15G / P14F001 / NHXVW / 8P3YX / DHT0W / 2P2MJ / 312-1324 / 312-1325 All DTK products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.Safety:Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries(6-cell): 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. 14R Turbo/ 14R-4420/ 14R-5420/ 14R-5425/ 14R-7420/ 14R-SE-4420/ 14R-SE-5420/ 14R-SE-7420/ 15R 7520/ 15R-5520/ 17R 5720/ 17R 7720/ 17R SE 7720/ 17R Turbo/ 17R-4720/ 17R-SE/ 17R-SE-4720/ 17R-SE-5720/ 4420/ 4720/ 5420/ 5425/ 5720/ 7420/ 7520/ 7720/ M421R/ M521R/ N4420/ N4720/ N5420/ N5720/ N7420/ N7720/ E5420/ E5420m/ E5430/ E5520/ E5520m/ E5530/ E6420/ E6430/ E6520/ E6520 N/ E6530/ 3460/ 3560/ Audi A4/ Audi A5/ Audi S5/ T54FJ/ 8858X/ M5Y0X/ 71R31/ 04NW9/ 05G67C/ 2P2MJ/ 312-1324/ 312-1325/ DHT0W/ NHXVW/ P15G/ P8TC7/ PRRRF/ T54F3/ UJ499/ YKF0M/ 312-1242/ 911MD/ P16G/ 8P3YX/ P14F001/ overheating protection overcurrent protection overvoltage protection overcharge protection over discharge protection short circuit protection Cells QTY6 Voltage(V)11.1V Capacity4400mAh/49Wh ColorBlack Dimension208.3*50.4*19.8mm N.W.310g TypeLi-ion