Cheap Dell WY9DX Li-ion Battery, WY9DX Replacement Battery for Dell Latitude 5420 5520 RJ40G 005R42
42Wh 11.4V for Dell Latitude 5420 5520 RJ40G 005R42,Dell WY9DX Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of
Dell WY9DX battery is of high quality and low price!
dell WY9DX Battery Li-ion 11.4V 42Wh
Specifications:
- Brand:Dell
- Capacity :42Wh
- Voltage :11.4V
- Type :Li-ion
- Battery quality: Grade A
- Guarantee: Replacement Battery - 1 Year Warranty
- Description: New brand,1 year warranty!30 days refund!Fast shipping!
How do we test the Dell WY9DX Battery
Step1: Make sure you buy the right battery.
Step2: Check battery's appearance and interface.
Step3: Test battery charger and charging function.
Step4: Charge the battery to 100% and discharge it to 0% to get the actual battery capacity.
Step5: Use EV2300 to check the voltage difference of each group of batteries.
Compatible Part Number:
WY9DX 0WK3F1 RJ40G
Compatible Model Number:
Dell Latitude 5420 5520 RJ40G 005R42
How much do you know about how to extend battery life? The methods for protecting battery life are as follows:
1). Please charge or replace other batteries when the battery is low.
2). Use Dell WY9DX Li-ion battery than non-lithium-ion battery work longer.
3). After the battery is fully charged, unplug the charger to avoid prolonged or long-term high battery status to accelerate battery aging.
4). Avoid charging in extreme environments.
5). Keep the battery in a dry and cool environment when it is idle.
6). Please charge the battery in time to avoid deep discharge.
7). Carry out complete cycle charging regularly, and keep the power level at about 20%-80% .
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