Lenovo ThinkBook 14 IIL 20SL battery
Sale price ksh 9,838
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Battery Type: Li-ion
Voltage: 11.52V
Capacity: 57WH
Color: Black
Condition: Brand New
Warranty: Full 12 Months Warranty and 30 Days Money Back
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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, sleek business laptop. This battery is engineered to provide a balance of long runtime and slim design, fitting perfectly within the 14-inch chassis. The Lenovo ThinkBook 14-IIL 20SL Battery Price in Kenya is KSh 9,838.
This 3-cell battery offers a capacity of 45Wh (approx. 3910mAh) and operates at a nominal voltage of 11.52V. It is the direct replacement for Lenovo part numbers L18M3P74, L18L3P74, L18C3P74, and 5B10W13930. At KSh 9,838, this original-spec battery is essential for professionals who need to maintain their device's mobility, supporting Rapid Charge technology that can power the laptop up to 80% in approximately 60 minutes.
Who Should Buy This Battery?
This battery is a vital replacement for ThinkBook 14-IIL users in Kenya whose laptops are no longer holding a charge for a full workday or are experiencing "plugged in, not charging" errors. At KSh 9,838, it is the recommended investment to restore the factory-standard 9–12 hours of runtime and ensure the safety of your business-class device's internal hardware.
Lenovo ThinkBook 14-IIL (20SL) Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | ThinkBook 14-IIL (20SL) | 45Wh / 3910mAh | KSh 9,838 |
Lenovo ThinkBook 14-IIL (20SL) Battery Key Specifications Table
| Feature | Specification Details |
| FRU / Part Numbers | 5B10W13930, 5B10W13931, 5B10W13932 |
| Compatible Part Nos | L18M3P74, L18L3P74, L18C3P74, SB10W13930 |
| Capacity | 45Wh / 3910mAh |
| Voltage | 11.52V / 11.55V |
| Battery Type | Lithium-Polymer (Li-Polymer) |
| Cell Count | 3-Cell |
| Cycle Life | 300–500 Charge Cycles |
| Compatibility | ThinkBook 14-IIL, 14-IML, 15-IIL, 15-IML |
Lenovo ThinkBook 14-IIL (20SL) Battery Performance and Safety
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Seamless Chassis Fit: Specifically designed to fit the internal layout of the ThinkBook 14-IIL without interfering with the cooling fans or SSD slots.
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Firmware Authentication: Includes an authentic Lenovo communication chip to ensure full compatibility with the BIOS and "Lenovo Vantage" software.
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Overcharge Protection: Integrated safety circuits prevent the cells from overcharging or overheating during long periods of AC power use.
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Grade A Cells: High-quality lithium-polymer cells ensure a stable voltage curve, preventing unexpected system shutdowns at low battery percentages.
Lenovo ThinkBook 14-IIL (20SL) Compatibility List
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ThinkBook Series: ThinkBook 14-IIL (Type: 20SL), 14-IML (Type: 20RV), 15-IIL (Type: 20SM), 15-IML (Type: 20RW).
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Note: This battery is cross-compatible between the 14-inch and 15-inch variants of the first-generation ThinkBook IIL/IML series. Always verify your Machine Type (e.g., 20SL) on the bottom of your laptop to ensure a perfect fit.
Lenovo ThinkBook 14-IIL (20SL) Battery Pros and Cons Table
| Pros | Cons |
| Supports 80% Rapid Charge for quick refills | Internal replacement requires tools to open the chassis |
| Guaranteed BIOS recognition and safety standards | 45Wh capacity is standard for business use, not extreme gaming |
| Reliable enterprise-grade cells for KSh 9,838 | Delicate internal ribbon cable requires careful seating |
Lenovo ThinkBook 14-IIL (20SL) Battery Frequently Asked Questions (FAQs)
How long will this battery last on a full charge?
For the ThinkBook 14-IIL, you can typically expect 7 to 10 hours of runtime for standard office work and web browsing, depending on your screen brightness and power settings.
Is it safe to replace the battery myself?
Yes, if you have a Phillips #0 screwdriver and a plastic pry tool. You must remove the screws from the bottom cover to access the battery. Always remember to disable the internal battery in the BIOS "Service Mode" before starting.
Does this battery come with a warranty?
Standard original-spec batteries in the Kenyan market usually come with a 6 to 12-month warranty. Always confirm the warranty terms with your specific vendor at the time of purchase.
Lenovo ThinkBook 14-IIL (20SL) Battery Conclusion
The Lenovo ThinkBook 14-IIL (20SL) 45Wh Battery at KSh 9,838 is the definitive replacement for restoring the original mobility of your business laptop. It provides the exact technical specifications and safety features required to keep your device running efficiently.
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”
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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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