ZTHY 48Wh 8858X Laptop Battery Replacement for Dell Inspiron 14R 5420 15R 5520 7520 17R 5720 7720 4420 4520 4720 7420 Latitude E5420 E5520 E5530 E6420 E6430 E6520 Vostro 3460 3560 911MD 11.1V 6-Cell

Why should I choose this battery? 1: High capacity circulatory function
2: Tested with strict quality control standards
3: Low power consumption IC design
Specifications Battery type: Li-ion

Battery Voltage: 11.1V

Battery Capacity: 48Wh

Battery Cells: 6-cell


Replace Part Number:

04NW9 / 2P2MJ /4YRJH / 8858X / 911MD / CWVXW / DHT0W / HCJWT / KJ321 / M1Y7N /
NHXVW / P8TC7 /P9TJ0 / PRRRF / RU485 / T54F3 / UJ499 / YKF0M / X57F1 / R48V3 /
8P3YX /312-1163 / 312-1164 / 312-1242 / 312-1323 / 312-1324 / 312-1325 /312-1310 /
312-1311 / 451-11947
Compatibility Compatible Models:
Dell Latitude E5420 Series / E5420 N-Series / E5430 Series / E5520 Series / E5520 BRC 6 Series / E5520 N-Series / E5520m Series / E5530 Series / E6420 Series / E6420 N-Series / E6420 ATG Series / E6420 XFR Series / E6430 Series / E6430 ATG Series / E6430 XFR Series / E6520 Series / E6520 N-Series / E6530 Series
Dell Inspiron 4420 / 4520 / 4720 / 5420 / 5425 / 5520 / 5525 / 5720 / 7420 / 7520 / 7720 / M421R / M521R / N4420 / N4520 / N4720 / N5420 / N5520 / N5720 / N7420 / N7520 / N7720 / 14R 14R-4420 / 14R 14R-5420 / 14R 14R-5425 / 14R 14R-7420 / 14R 14R-SE-4420 / 14R 14R-SE-5420 / 14R 14R-SE-7420 / 14R 14R-SE / 14R 14R Turbo / 15R 15R-4520 / 15R 15R-5520 / 15R 15R-5525 / 15R 15R-7520 / 15R 15R-SE-4520 / 15R 15R-SE-5520 / 15R 15R-SE-7520 / 15R 15R-SE / 15R 15R Turbo / 17R 17R-4720 / 17R 17R-5720 / 17R 17R-7720 / 17R 17R-SE / 17R 17R-SE-4720 / 17R 17R-SE-5720 / 17R 17R-SE-7720 / 17R 17R Turbo
Dell Vostro 3460 Series
Dell Vostro 3560 Series
ZTHY laptop battery instruction: 1.Discharge the new battery use to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.
2.Do not disassemble, crush or puncture. Do not dispose of in fire or water.
3.If you remove battery for a long time, charge more than 80% at least one time within one months.
4.Don't connect adapter for a long time while using the battery. It may damage the battery.
5.When using the battery, care should be taken to prevent exposure and moisture.
Easy to deal a variety of use environment Install A New Battery: 1, You need to turn off your laptop and disconnect the power.
2, Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.
3, Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
4, If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Installing New Battery Frequently Asked Question Solution: Q: Why my computer didn't recognize this battery or I install this battery and it doesn't seem to work?
A: The reason is residual power stored in the laptop components that was preventing the battery from working properly. Please disconnecting the old battery, and holding down the power button for 20 seconds, then connect the new battery. This drains the residual or flea power and once the laptop is reassembled the battery will function properly.
The following are troubleshooting methods: 1.Turn off the laptop.
2.Unplug AC power.
3.Remove the battery.
4.Replace AC power.
5.Turn on laptop,allow OS to boot.
6.Once logged in to the machine,perform a normal shut donw.
7.Unplug AC power.
8.Replace battery.