Lenovo ThinkBook 14 IIL battery
Sale price ksh 6,999 Regular price Ksh 9,838
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Battery Type: Li-ion
Voltage: 11.52V
Capacity: 57WH
Color: Black
Condition: Brand New
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The Lenovo ThinkBook 14-IIL (Model 20SL) Original Battery is a high-performance internal power unit designed for Lenovo's modern business ultraportable. This battery is engineered to fit perfectly within the slim 14-inch chassis, providing a reliable balance of weight and endurance for mobile professionals. It is the direct factory replacement for the 10th Gen Intel-based ThinkBook series.
Operating at a nominal voltage of 11.52V (approx. 3910mAh), this 3-cell lithium-polymer battery is the certified replacement for multiple part numbers including L18M3P74, L18L3P74, L18C3P74, and 5B10W13930. The Lenovo ThinkBook 14-IIL (20SL) Battery Price in Kenya is KSh 9,838, offering an enterprise-grade energy solution that supports Rapid Charge technology to reach 80% power in approximately 60 minutes.
Lenovo ThinkBook 14-IIL Battery: Who Should Buy This?
This internal battery is specifically for the ThinkBook 14-IIL (20SL) and 14-IML (20RV) models. It is the recommended investment for users in Kenya experiencing:
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The laptop shutting down immediately when the 65W charger is disconnected.
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Windows "Battery Health" reports showing significant capacity degradation or high cycle counts.
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The system failing to hold enough charge for a 3-hour power outage or commute.
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Visible bulging of the bottom aluminum casing, which can damage the motherboard if left unaddressed.
Lenovo ThinkBook 14-IIL (20SL) 45Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal Battery | ThinkBook 14-IIL / 14-IML | 45Wh / 3910mAh | KSh 9,838 |
Lenovo ThinkBook 14-IIL (20SL) Battery Key Specifications Table
| Feature | Specification Details |
| FRU / Part Numbers | 5B10W13930, 5B10W13931, 5B10W13932, SB10W13930 |
| Model Numbers | L18M3P74, L18L3P74, L18C3P74 |
| Capacity | 45Wh (3910mAh) |
| Voltage | 11.52V / 11.55V |
| Battery Type | Lithium-Polymer (Li-Po) |
| Cell Count | 3-Cell Internal |
| Compatibility | ThinkBook 14-IIL (20SL), 14-IML (20RV) |
Lenovo ThinkBook 14-IIL Battery Performance and Safety
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Rapid Charge Support: Optimized for use with Lenovo 65W USB-C or Slim-Tip adapters to provide fast top-ups between tasks.
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Firmware Integration: Fully compatible with Lenovo Vantage for precise health monitoring and threshold settings to extend battery lifespan.
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Stable Power Delivery: Designed to maintain consistent voltage levels, preventing performance throttling during peak CPU bursts.
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BMS Safety: Integrated Battery Management System prevents overcharging and thermal runaway, ensuring the safety of internal components.
Lenovo ThinkBook 14-IIL (20SL) 45Wh Battery Pros and Cons Table
| Pros | Cons |
| Guaranteed BIOS recognition for KSh 9,838 | Internal installation requires opening the base cover |
| Supports 80% Rapid Charge in 1 hour | Requires careful handling of the internal ribbon cable |
| High-density cells for consistent runtime | 45Wh is standard; not as long-lived as 57Wh variants |
Lenovo ThinkBook 14-IIL Battery Frequently Asked Questions (FAQs)
How do I prepare my laptop for battery replacement?
To avoid short circuits, restart your laptop and press F1 to enter the BIOS. Under the Config > Power menu, select Disable Built-in Battery. The system will shut down, and you can safely open the chassis. Plugging in the AC adapter after installation will re-enable the battery.
Does this fit the ThinkBook 14 Gen 2?
No. While they look similar, the ThinkBook 14 G2 (ITL/ARE) uses a different battery model (L19M3PDA). This KSh 9,838 unit is specifically for the Gen 1 IIL/IML series.
Lenovo ThinkBook 14-IIL Battery Conclusion
The Lenovo ThinkBook 14-IIL (20SL) 45Wh Battery at KSh 9,838 is the definitive replacement for restoring the original mobility and fast-charging capabilities of your business laptop.
Cash Payments (Nairobi only)
We accept Cash Payments . This is applicable for Pay on Delivery orders within Nairobi Metropolitan area.
Mpesa Payment.
- Go to Safaricom SIM Tool Kit, select M-PESA menu, select “Lipa na M-PESA“
- Select “Pay Bill“
- Select “Enter Business no.“, Enter Rondamo technologies Lipa na M-PESA PayBill Number 964586 and press “OK”
- Account no. ( Indicate Order No. & Your Name)
- “Enter Amount : ( Total shown on Invoice)
- Enter your M-PESA PIN and press “OK”
This is applicable for all orders, both in Nairobi & upcountry besides large orders over Ksh 250,000/-
Bank Deposit /EFT
You can deposit payment for your order directly into our Stanbic bank account. We check our bank account for new payments every day but depending on your bank it can take 1–2 business days for your payment to appear. To ensure that we can reconcile your payment quickly please make sure you follow the instructions carefully and include a reference with your payment.
Pesalink
You can deposit payment for your order directly into our Stanbic bank account via Pesalink. all products are eligible for payment via Pesalink. To ensure that we can reconcile your payment quickly please make sure you follow the instructions carefully and include a reference with your payment.
Accurate delivery estimates are displayed on the product page and in the Checkout before you confirm your order.
Delivery estimates take into consideration both the delivery address and the types of products being ordered.
The remainder of this article discusses delivery times in more general terms.
Same Day Delivery / For Customers in Nairobi Metropolitan Area
We use Courier for these orders, which allows fast and reliable delivery to destinations across their comprehensive domestic network. Orders placed between 7 Am and 5 Pm will be delivered the same day otherwise they will be delivered the following day. Delivery times vary depending on a product's stock status and the intended delivery address. For very large orders, we may be forced to use Mainfreight as these orders lie outside of what Courier Rider services can handle. If your order is being shipped with Mainfreight, this will be indicated in your fulfilment email along with a tracking number.
Overnight Delivery
Most In stock products are delivered overnight anywhere in Kenya – provided the order is placed before the advertised cut-off time. Our Overnight Delivery cut-off is usually 4:30pm Monday to Friday, however, this is updated daily and the expected shipping date will be shown for you on the product page. Larger products take an additional 1–2 days to be delivered.
Evening Express Delivery
Same Day Delivery is available to Nairobi & its suburbs. Same Day Delivery orders are delivered between 4pm and 7pm in the evening on the same day your order is dispatched.
If you are ordering on a business day and before the cutoff time, the option will be called “Same Day Delivery”. If you are ordering after the cutoff time or on a weekend or public holiday, the option will be called “Evening Express Delivery”. And May incur extra Costs other than the standard shipping fee.
The warranty tendered hereunder, on the electronic product(s) sold under this invoice will be provided exclusively by their respective Authorized Agents/Distributors and are limited to one year from the date of this invoice, except otherwise mentioned as per the warranty conditions as carried along with the products(s) or mentioned on Rondamo Technologies Invoice
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