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Premium Performance Battery 42T4757 Compatible with LENOVO 42T4757

Category: Laptop Batteries
Brand: lenovo

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Price: £75.49 £107.84

Model: 42T4757
SKU: LEN19I805_1
Availability: In Stock
Capacity: 6700mAh/72WH
Voltage: 10.8V/6cells
Type: Li-ion
Color: Black

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* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Find the Lenovo 42T4757 Battery You Need

Use our comprehensive guide to effortlessly compare your original battery with our product lineup—ensuring you select the perfect match for your device.

The Lenovo 42T4757 battery is fully compatible with Lenovo E40 E420 SL410K T410i T420 E520 W520 models, offering a cost-effective solution for budget-conscious buyers.

The Lenovo 42T4757 battery model is engineered to deliver consistent performance, full compatibility, and long-lasting power—so your device stays ready when you are.

Specification

Model	42T4757
Condition	100% Brand new & High quality
SKU	LEN19I805_1
Category	Laptop Batteries
Brand	LENOVO
Capacity	6700mAh/72WH
Voltage	10.8V/6cells
Type	Li-ion
Color	Black
Size	-
Applies to	Lenovo E40 E420 SL410K T410i T420 E520 W520
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Replacement part numbers:

Compatible Models:

Lenovo ThinkPad T420 T420i T430 T430i T510
ThinkPad E40 ThinkPad E50 ThinkPad Edge 0578-47B
ThinkPad Edge 14inch ThinkPad Edge 14inch 05787UJ ThinkPad Edge 14inch 05787VJ
ThinkPad Edge 14inch 05787WJ ThinkPad Edge 14inch 05787XJ
ThinkPad Edge 14inch 05787YJ
ThinkPad Edge 15inch ThinkPad L410 ThinkPad L412
ThinkPad L420 ThinkPad L421 ThinkPad L510
ThinkPad L512 ThinkPad L520 ThinkPad SL410 2842
ThinkPad SL410 2874 ThinkPad SL410 Series ThinkPad SL410k 2842
ThinkPad SL510 2847 ThinkPad SL510 2875 ThinkPad SL510 Series
ThinkPad T410 ThinkPad T410i ThinkPad T420
ThinkPad T510 ThinkPad T510i ThinkPad T520
ThinkPad T520i ThinkPad W510 ThinkPad W520

Our Guarantee

-- 30 days money back, 12 months warranty.

-- 30% off and free shipping

-- 100% compatible Lenovo E40 E420 SL410K T410i T420 E520 W520

Disclaimer:
Batteryshop.org.uk is not affiliated with any brand manufacturer. The brand names and model names listed above are used only to indicate compatibility with the device.

Specification

Model	42T4757
Condition	100% Brand new & High quality
SKU	LEN19I805_1
Category	Laptop Batteries
Brand	LENOVO
Capacity	6700mAh/72WH
Voltage	10.8V/6cells
Type	Li-ion
Color	Black
Size	-
Applies to	Lenovo E40 E420 SL410K T410i T420 E520 W520
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Shipping

Please note that we do not ship to APO (Military) or FPO (International). We are not responsible for wrong or unknown address. Please make sure your shipping address is correct and deliverable.

1) Delivery delay

Items will be shipped within next business days after verification. It usually takes about 7 - 20 business days for delivery, but it depends on the exact address or region. Holidays and different checking customs may affect postal service delays. Please note that some orders go through our fraud prevention department. If your order is selected you will be notified and your order may be delayed by 3 business days.

2) Shipping costs

Our prices include shipping, handling and packaging costs.

3) Incorrect return address

It is the buyer's responsibility to pay additional shipping and handling fees if the package is returned due to the wrong shipping address provided by the buyer.

4) Exchange of the ordered article

It is the buyer's responsibility to pay the same shipping cost and handling fee if the buyer wants to exchange ordered items for the new ones.

5) VAT Fee

We promise free shipping on all items on batteryshop.org.uk.

Methods of payment

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Guarantee

Quality and safety: This LENOVO 42T4757 battery contains advanced electronic components and has been tested according to strict CE standards. The LENOVO 42T4757 battery contains a chip that prevents overcharging and short circuiting. On top of that the LENOVO 42T4757 batteries are made from good quality cells which do not suffer from a 'memory effect'.

Assurance and warranty: LENOVO 42T4757 purchased in our store are guaranteed for 12 months. Satisfied Refunded 30 days.

Shipped Direct from the Factory: Batteryshop.org.uk ships its items almost directly from the factory, so you are sure to receive a brand new, full capacity battery! and Minimize your cost and get incredible low factory price.

Secure payment: Your credit card details are encrypted using the SSL (Secure Socket Layer) protocol and are never transmitted unencrypted over the network.

Q: How can I check if the laptop battery is compatible with my laptop?

1) Locate the "Model Name" label on the front of your laptop under the keyboard (some are on the back) or the "Battery Model" label on the battery, then look for that model number in the Product Compatibility List on this website.

2) Compare whether your original battery's voltage and capacity are the same as ours, and then look at the overall picture of our product to see whether the interface and general shape are the same.

3) If you have any questions, please contact info@batteryshop.org.uk.

Q: What is the correct way to charge the laptop battery?

A: Because the current lithium-ion battery has no memory effect, you don't need to charge the new battery for 12 hours or more the first time you use it, just fully charged. When the laptop is connected to an external power source, the battery will stop charging and discharging when it is fully charged and will continue to use the external power source for power delivery. If you use an external power supply frequently, leave it unplugged from the battery several times a week to extend the life of your battery. It should be noted that when using battery power, you should try to avoid running out of battery power. If the remaining power is 10%, you need to connect an external power supply.