Lenovo ThinkBook 14s IWL 20RM000ACF battery 45wh Rapid Charger
Sale price ksh 8,758
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Battery Type: Li-ion
Voltage: 15.36V
Capacity: 45WH
Color: Black
Condition: Brand New
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The Lenovo ThinkBook 14s-IWL (20RM000ACF) 45Wh Original Battery is a premium internal 4-cell lithium-polymer power unit. Designed specifically for the first-generation 14-inch ThinkBook series, this battery provides the stable 15.36V output required to support 8th Gen Intel Core processors and the AMD Radeon 540X discrete graphics found in the 20RM machine type.
At KSh 8,758, this 45Wh unit is the certified original replacement for part numbers L18M4PF0, L18C4PF0, 5B10W67175, and 5B10W67215. It is engineered with high-density cells to fit within the ThinkBook’s slim aluminum chassis while offering approximately 10–11 hours of runtime for professional productivity.
Lenovo ThinkBook 14s-IWL Battery: Who Should Buy This?
This internal battery is the essential fit for ThinkBook 14s-IWL (20RM) and ThinkBook 13s-IWL (20R9) users in Kenya experiencing:
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Immediate Power Loss: The laptop shuts down instantly when the 65W slim-tip charger is disconnected.
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Charging Failures: Lenovo Vantage warns of a "critical battery error" or reports the battery is "connected but not charging."
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Sudden Percentage Jumps: The battery meter drops drastically from 80% to 10% in minutes, indicating worn internal cells.
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Physical Warping: Signs of hazardous internal battery expansion, such as a bulging bottom cover or a stiff trackpad.
Lenovo ThinkBook 14s-IWL (20RM) 45Wh Battery Price Summary
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 4-Cell Internal | ThinkBook 14s-IWL (20RM) | 45Wh / 3910mAh | KSh 8,758 |
Lenovo ThinkBook 14s-IWL (20RM) Battery Key Specifications
| Feature | Specification Details |
| Model Numbers | L18M4PF0, L18C4PF0, L18L4PF0 |
| Compatible Part Nos | 5B10W67175, 5B10W67215, 5B10W67180, SB10W67212 |
| Capacity | 45Wh (approx. 3910mAh) |
| Voltage | 15.36V |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Cell Count | 4-Cell |
| Compatibility | ThinkBook 14s-IWL, ThinkBook 13s-IWL |
Lenovo ThinkBook 14s-IWL Battery Performance and Safety
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High-Density Architecture: Designed to provide maximum energy storage within the slim internal bay of the ThinkBook 14s.
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Integrated Protection Board: Built-in safety circuits guard against over-voltage, thermal overheating, and internal short circuits.
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Genuine System Sync: Fully recognized by Lenovo Vantage for accurate battery health status, charge thresholds, and cycle counting.
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Rapid Charge Support: Supports Lenovo Rapid Charge technology, allowing the battery to recharge to 80% in just 1 hour when paired with a 65W adapter.
Lenovo ThinkBook 14s-IWL (20RM) 45Wh Battery Pros and Cons
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Pros: Restores original all-day mobility for KSh 8,758; original-grade cells ensure safe operation; exact fit for the 20RM000ACF model.
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Cons: Internal replacement requires removing the bottom cover; 45Wh is the fixed capacity for this generation of the ThinkBook 14s.
Lenovo ThinkBook 14s-IWL Battery Frequently Asked Questions (FAQs)
Will this fit the newer ThinkBook 14-IIL or 14-IML?
No. The ThinkBook 14-series and 14s-series use physically different battery designs. This L18M4PF0 battery is strictly for the "s" (slim) models like the 13s-IWL and 14s-IWL.
How do I extend the life of my new battery?
Use Lenovo Vantage to enable "Conservation Mode" if you mostly use the laptop while plugged in. This keeps the battery at 55–60% charge, which significantly reduces cell degradation over time.
Lenovo ThinkBook 14s-IWL Battery Conclusion
The Lenovo ThinkBook 14s-IWL 45Wh Battery at KSh 8,758 is the professional-grade solution to maintain the reliability and mobile performance of your business laptop.
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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“
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Pesalink
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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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