Dell 71R31 Battery

Dell 71R31 Battery (9 Cell) Get up to 5 hours of battery life with an extended life Dell 71R31 battery. This 71R31 battery replaces the original battery found in the Dell Latitude E5420, E5420m, E5520, E5520m, E6420, E6420n, E6520 and E6520n series of laptops. Dell 71R31 battery for the Latitude E5420, E5520, E6420, E6520 9 cell battery. Because of the three additional cells, this battery is going to be physically larger than the original 6 cell battery and will protrude slightly from the rear of the laptop about one inch, but will not affect usability of the laptop.

We use the highest quality lithium-ion battery cells from South Korea that provide longer run times between charges as well as a longer service life. Our batteries last nearly six times longer than cheaper, lower quality batteries. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty. Tech Specs Xtend brand; 11.1 Volts; 7800 mAh; or 87 Whr; 9 Cell Li-ion (smaller 6 cell battery here); Samsung (South Korea); Black; 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; Replaces these
Dell battery part numbers: 312-1163 312-1242 312-1310 312-1311 451-11947 4YRJH 04NW9 DTG0V JXK73 V57XN 71R31 8858X 8P3YX 911MD 9KN44 HCJWT K4CP5 KJ321 M5Y0X NHXVW N4FJ5 P14F P14F001 P15F P15F001 P15F002 P15G P15G001 P16G P16G001 P16G002 P8TC7 P9TJ0 PRRRF R48V3 RU485 T54F3 T54FJ T54SJ UJ499 X57F1 YKF0M