Name: Acer Extensa 4101WLM replacement battery
Brand: Acer
SKU: BBU302
Price: 31.64 GBP
Availability: InStock

Note : 14.4V and 14.8V are compatible, they are in common use.

Product Features

Excellent Quality，International Standards

BatteryBuy.co.uk is your best choice of high quality Acer laptop batteries! The brand new 4400mAh(8 cells) replacement Acer Extensa 4101WLM Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. Acer Extensa 4101WLM battery case is made of non-flammable and durable plastic, which is fire-retarded and non-perishable when dropped from low heights.

We are very strict with the safety requirements. Every our high-grade replacement battery for Acer Extensa 4101WLM laptop has been tested to prove that they can match or surpass original Acer battery performance and be 100% compatible with Original Manufacturer Specifications. In compliance with international standards, they have obtained a series of rigorous safety certifications such as CE, UL, ROHS, ISO9001/9002. In general, this replacement Acer Extensa 4101WLM battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our Acer Extensa 4101WLM batteries carry a One-Year warranty and a 30-day money back guarantee if you are not completely satisfied. What’s more, Each Acer Extensa 4101WLM battery will be charged and tested before shipment. When you buy our products, you're buying trust! If you have any question, please contact us freely! It is our pleasure to help you solve problems.

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 Acer Part Numbers

4UR18650F-1-QC192
4UR18650F-2-QC140
4UR18650F-2-QC141
916-2990
916-3020
916C2990
916C3020
916C4820F
916C4890F
BT.00404.004
BT.00407.005
BT.00407.007
BT.00407.012
BT.00603.016
BT.00604.007
BT.00607.001
BT.00803.017
BT.00804.008
BT.00804.011
BT.00805.007
BT.T5003.001
BT.T5003.002
BT.T5005.002
BT.T5007.001
LC.BTP03.003
SQU-401
SQU-525
SY6

Compatible Acer Laptop Models

Extensa 4101WLM
Aspire 1412LM
Aspire 1412WLMI
Aspire 1415LMI
Aspire 1640Z
Aspire 1681LC
Aspire 1691WLMI
Aspire 1695WLMI
Aspire 3002NLC
Aspire 3503WLCI
Aspire 5001LMI
Extensa 2308LCI
Extensa 3000WLM
Extensa 4102WLM
Extensa 4102WLMI
TravelMate 2303WLCI
TravelMate 2306LCI
TravelMate 2313WLM
TravelMate 2430
TravelMate 4000LMI
TravelMate 4001WLM
TravelMate 4005
TravelMate 4015LMI
TravelMate 4020
TravelMate 4061NLMI
TravelMate 4062WLCI
TravelMate 4070
TravelMate 4500WLCI
TravelMate 4501WLM

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for Acer Extensa 4101WLM 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 customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.

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 for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.

FAQs

Q: How to check whether this battery is compatible with my laptop?

A: First, find out your old battery part number (e.g. 'Acer Extensa 4101WLM') or the model name of laptop and then match with our product compatibility table. Second, please compare your old battery with our product images to make sure their shapes are the same. Lastly, check the voltage (rating) is the same as the old one. For more details please click How to find one correct battery for my laptop?

Q: How to charge my Acer Extensa 4101WLM battery properly?

A: There is no need to charge your new Acer Extensa 4101WLM battery for 12 hours for the first time use, because lithium-ion battery is with no memory effect. So you only need to charge and discharge it normally. What’s more, you should avoid recharging it till exhausting battery power, because it will bring to much damage. Therefore you have to charge it when remaining power is nearly 10-20%. Additionally, if your battery has not been used for a long time, please charge it once a month, keep the remaining power about 40% and then store it in a dry and cool environment.

Q: Is it necessary to remove my Acer Extensa 4101WLM battery when connecting to the power supply?

A: In general, it will not cause any damage without removing battery when the laptop connects the power supply. The battery will not be charged anymore after it is fully charged. On the contrary, it will turn to the use of power supply system. However, when your laptop has run for a long time at high speed, you’d better remove battery out of laptop due to the internal overheating.

Q: A few Tips to maintain your Acer Extensa 4101WLM battery and extend its life:

1 Avoid Full Discharges.
2 Tweak Your Built-In Power Saving Options.
3 Disable unnecessary programs that draw energy from your notebook.
4 Adjust the brightness of your laptop display as much as possible within an acceptable range.
5 Keep your laptop and battery in a cool dry place (heat may destroy a battery).