BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh
Brand BTI
From
£57.99
Free delivery
You save £3.88 (6%)
3 offers at 3 retailers
Listed since 6 April 2026
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Description
Full specifications
| Marque | BTI |
| Référence fabricant | lne535 |
| EAN | 5055146646952 |
Why choose the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh in 2026?
With the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh, BTI offers a solution suited to everyday needs in 2026. Available from 3 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers. Also check our comparison of Desktop PCs in the same product range.
Technical analysis of the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh
Among the main strengths of the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh, the most notable are its competitive pricing from £57.99 and the recognition of the BTI brand. Buyers who have already used this type of product in the Ordinateurs portables category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.
What the tech specs reveal
The BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Ordinateurs portables category. BTI publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The BTI 65W 312-1307 compatible charger for Dell laptops with 4.5mm x 3.0mm connector from the same brand may also interest you for a direct comparison.
In practice day to day
In daily use, the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh is designed to fit easily into the regular habits of Ordinateurs portables users. BTI has optimised this model for regular use, with accessible features and simplified maintenance. Also check our Desktop PCs comparison for further suggestions.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 2690 £ |
| Mid-range | 2690 £ to 6280 £ |
| High-end | Over 6280 £ |
Before buying the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Ordinateurs portables category.
Frequently asked questions about BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh
Is the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh in stock?
Stock availability for the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Ordinateurs portables category.
Where can I buy the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh at the best price?
To buy the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh at the best price, compare all available offers in our table at the top of this page. The 3 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh compare to competitors in the Ordinateurs portables category?
In the Ordinateurs portables category, the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
Is the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh suitable for beginners?
Yes, the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh is generally appreciated by both beginners and regular users of the Ordinateurs portables category. It is quick to set up and BTI usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.
Is there a refurbished version of the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh?
Refurbished versions of the BTI Replacement battery for LENOVO - IBM Thinkpad E430 E431 E440 E445 E530 E531 E535 E540 E545 laptops replacing OEM Part numbers: 0A36311 75+ 45N1043// 10.8V 4400mAh may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
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