Cheap Dell 4WN0Y Li-ion Battery, 4WN0Y Replacement Battery for Dell Inspiron 13 7353 7577 7778 7779

3500mAh 15.2V for Dell Inspiron 13 7353 7577 7778 7779,Dell 4WN0Y Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Dell 4WN0Y battery is of high quality and low price！

dell 4WN0Y Battery Li-ion 15.2V 3500mAh
Specifications:

• Brand:Dell
• Capacity :3500mAh
• Voltage :15.2V
• 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 4WN0Y 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:
4WN0Y

Compatible Model Number:
for Dell Inspiron 13 7353 7577 7778 7779
for Dell Latitude 3310

How much do you know about how to extend battery life？ The methods for protecting battery life are as follows：

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1). Please charge or replace other batteries when the battery is low.
2). Use Dell 4WN0Y 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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