ZTHY 7CJRC Laptop Battery Replacement for Dell Latitude 7470 7270 E7470 E7270 Series Notebook KNM09 0KNM09 21X15 021X15 11.4V 42Wh 3500mAh 3-Cell

1) Please click ZTHY TECH, we will help you solve it.
2) Please be assured that we will take the responsibility for each product we sold.
3) 30-days after purchase, we offer a no-questions-asked return policy.
4)12 months from the date of purchase, If the product fails, we will replace it with a new one.
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.
1)Discharge the new battery use to 10%(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 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.
1) Could be caused by battery loss. Please re-install the battery and make sure that the battery cable and the motherboard interface are tightly inserted.
2) Maybe due to conductive material damage which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery.
3) Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.
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.
1, Change your laptop power plan settings, and choose the power saver plan. Then Change advanced power settings, and scroll down to find Processor power management. Click the On-battery option and reduce the processor state to 20%.
2, Always keep your laptop neat and clean. The dust easily enters the hardware through the vents which are meant to release the heat generated from various computer components.
3, Close Wi-Fi, Bluetooth, and other settings. This can help your computer save precious battery life.
Specifications:
Battery Type: Li-ion
Battery Condition: Brand New
Battery Voltage: 11.4V
Battery Capacity: 42Wh/3Cell
Condition: 100% New from Manufacturer, Grade A Cell
Compatible Part Numbers:
7CJRC 21X15 021X15
Compatible Laptop Models:
Dell Latitude E7270 Series Laptop
Dell Latitude E7470 Series Laptop
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.
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