Specification:
Battery type: Li-ion
Voltage:11.4V
Capacity: 42Wh/3500mAh
Condition: 100% New from Manufacturer, Grade A Cell
Compatible Part Number:
WY9DX RJ40G 01K2CF 075X16 0WK3F1 0M3KCN 005R42
Need Attention: If you install the battery, you find that the laptop cannot detect the battery or the battery level cannot be displayed normally. Please check whether the battery cable is installed properly. Sometimes the battery cannot be charged because the cable is not fixed properly.
Compatible Model Numbers:( ctrl+f check your laptop model)
Dell Latitude 14 5420 series
Dell Latitude 14 5420 CHKFM
Dell Latitude 14 5420 FDTCY
Dell Latitude 14 5420 XPC5H
Dell Latitude 15 5520 series
Dell Latitude 15 5520 39V1H
Dell Latitude 15 5520 FPKNM
Dell Precision 15 3560 series
Dell Precision 15 3560 3H45Y
Dell Precision 15 3560 4MTF7
Dell Precision 15 3560 758J7
Dell Precision 15 3560 7RV10
Dell Precision 15 3560 F3T9T
Dell P137G P137G001
Dell P104F P104F001 P104F002
Attention:
The Dell laptop models on this product page are compatible with 2 battery models:
WY9DX (42Wh 3-Cell) , RJ40G(63Wh 4-Cell).
Please open the back cover of your laptop to check the original battery size and capacity before placing an order. Please scroll down to the list to purchase.
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
Note:
1. Do not use it if the battery is damaged and swollen.
2. Do not disassemble, crush or puncture. Do not dispose of it in fire or water.
3. If you remove the battery for a long time, charge more than 80% at least one time within one month.
4. Don't connect the 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.
laptop battery instruction:
1. First check if the battery is the same size as your original battery after receiving it. When installing the battery, pay attention to whether the battery cable is fixed. If the battery cable is not installed correctly, the battery may not be charged.
2. If you use the battery for the first time after installing the battery, please do not charge the battery immediately, first use the battery to 10-20%, and then charge the battery, and cycle charging 5-6 times to activate the maximum use of the battery space.
3. We recommend that you search for battery removal tutorials on the Internet in advance, or seek help from a professional technician. We won't responsible for any damage due to improper operation.
Are you a manufacturer or trade company?
We are a professional manufacturer on laptop batteries, power adapters/chargers with about 130 employee and have 5 production lines.
How can we guarantee quality?
Pre-production sample will test 2 times before mass production; test 2 times on the produce process before packing, and will do 1 time final Inspection before shipment; we have tested 5 times in total to guarantee the quality before shipment.
What is your RMA policy?
All the laptop batteries can get free replacement within warranty period.
What's the warranty service do you offer?
We offer 12 months warranty for all our products.
What is your advantage and special service?
We are original manufacturer for rechargable laptop batteries, power adapter and chargers we mainly supply standard battery and other batteries, OEMservice is also provided. We offer first-hand price and short leadtime.