High-grade Battery for Lenovo ThinkPad L540 20AV0028US (4400mAh, 6 cells)
- SKUBUS1464
- ConditionReplacement, Brand New
- Voltage10.8V
- Capacity4400mAh
- Number of Cells6 cells
- Cell TypeLi-ion
- ColorBlack
- Size*mm(L x W x H)
- Warranty1 Year
- AvailabilityIn Stock
High-grade Battery for Lenovo ThinkPad L540 20AV0028US (100Wh, 9 cells)
![](/Images/certification.gif)
- SKUBUS1466
- ConditionReplacement, Brand New
- Voltage10.8V
- Capacity100Wh
- Number of Cells9 cells
- Cell TypeLi-ion
- ColorBlack
- Size*mm(L x W x H)
- Warranty1 Year
- AvailabilityIn Stock
Product Features
Excellent Quality,Thorough Service
The replacement battery for Lenovo ThinkPad L540 20AV0028US from BatteryBuy.us will be your best choice. We offer a high-quality laptop battery at a more reasonable price. Our Lenovo ThinkPad L540 20AV0028US batteries can be charged/discharged for at least 600 cycles. Being made of ABS plastic case and the original IC protection chip, it could give you the new experience of excellent durability.
With first-class quality assurance, the battery for Lenovo ThinkPad L540 20AV0028US provides protections of voltage, short circuit, charging time, ESD, and so on. Each Lenovo ThinkPad L540 20AV0028US laptop battery has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. It will be rigorously tested by our technicians before being shipped to your hands. We will try our best to select a high-quality Lenovo ThinkPad L540 20AV0028US battery for you.
In addition, we provide 30-Day Money Back Guarantee and a One-Year Warranty for you. If you have any dissatisfaction after receiving the battery for Lenovo ThinkPad L540 20AV0028US, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us!
Multiple Intelligent Protection
- INTELLIGENT PROTECTION
- VOLTAGE PROTECTION
- SHORT CIRCUIT PROTECTION
- ESD PROTECTION
- OVER HEAT PROTECTION
- OVER (DIS)CHARGE PROTECTION
- CHARGING TIME PROTECTION
- CLASS A PROTECTION
Product Larger Images
Compatible Lenovo Part Numbers
Compatible Lenovo Laptop Models
- ThinkPad L540 20AV0028US
- ThinkPad L440 20AS0011
- ThinkPad L440 20AS002HUS
- ThinkPad L440 20AS0034US
- ThinkPad L440 20AS0062
- ThinkPad L440 20AS0065
- ThinkPad L440 20AT001YUS
- ThinkPad L440 20AT0028US
- ThinkPad L440 20AT002FUS
- ThinkPad L440 20AT002GUS
- ThinkPad L540 20AU002Y
- ThinkPad L540 20AU003JUS
- ThinkPad T440P 20AN
- ThinkPad T440P 20AN008K
- ThinkPad T440P 20AN00CD
- ThinkPad T440P 20AW0006
- ThinkPad T440P 20AW000P
- ThinkPad T540P 20BE00B9
- ThinkPad T540P 20BE00CB
- ThinkPad T540P 20BF001AUS
- ThinkPad T540P 20BF001MUS
- ThinkPad T540P 20BF001UUS
- ThinkPad T540P 20BF002B
- ThinkPad T540P 20BF0034US
- ThinkPad W541 20EF000KUS
Shipping Methods
Payment Methods
![Payment Details](/Images/paymentdetails.png)
Warranty
1-Year Warranty
All our high-quality replacement batteries for Lenovo ThinkPad L540 20AV0028US laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.
30-Day Money Back Guarantee
Our goal is to turn partial customer satisfaction into 'Total Customer Satisfaction'. That's why we offer you a 30-day money back guarantee, except for warranty and return for defects!
Please note: To qualify yourself for reimbursement, please contact our customer service first and get instructions before returning your parcel.
Returns
If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution to your problem. Once it cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you to return the faulty battery. we will ship out a new battery without extra charge if the returned one turns out to be defective.
Please note: we won't process returned batteries if you don't provide an RMA number on the returned parcel.
FAQs
A: Through the product compatibility table, you can check if Lenovo ThinkPad L540 20AV0028US replacement battery is compatible with your laptop model. Clicking product larger Images, you can confirm the selected correctness of Lenovo ThinkPad L540 20AV0028US laptop battery. What's more, please pay attention to check if the voltage (rated value) is the same as your old one. For more details, please click How to find one correct battery for my laptop?
A: All rechargeable batteries are being spoilt gradually from the date it starts running. Performance degradation will be found by users in 18-24 months. When the runtime is unable to meet your demand, we'd suggest you buy a new Lenovo ThinkPad L540 20AV0028US battery.
A: There is no need for you to charge the battery over 12 hours, just charge and discharge it normally instead. Because lithium-ion battery has no memory effect. Additionally, you should charge in time when the power remains only 10%-20%. If your battery won't be used for a long time, please charge it once a month and keep battery power over 50%. Moreover, there is no harm even if you charge the battery while using your laptop or supply external power in a fully-charged state. However, if your laptop has been running at high speed for a long time, which causes overheat insides, you'd better take the Lenovo ThinkPad L540 20AV0028US battery out of the laptop.
1 Turn off the laptop and unplug the power cord.
2 Uninstall your old Lenovo ThinkPad L540 20AV0028US battery carefully.
3 Use a clean cloth to wipe off the dust from the battery compartment. It'd be better to wipe the exposed conductive part with alcohol to remove the copper rust before installing a new battery.
4 Keep your laptop and battery in a cool dry place (heat may destroy a battery).
5 Install new Lenovo ThinkPad L540 20AV0028US replacement battery into your laptop, and remember to close the battery latch.
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