Lenovo ThinkBook 14s IWL 20RM0008US 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 45Wh Original Battery for the Lenovo ThinkBook 14s-IWL (specific model 20RM0008US) is a premium internal power unit built with advanced 4-cell lithium-polymer technology. Operating at 15.36V, this battery is designed to handle the dual-power demands of the 8th Gen Intel Core i5 processor and the dedicated AMD Radeon 540X graphics card. A key feature of this unit is its full support for Lenovo's Rapid Charge technology, allowing for high-speed power replenishment when using a compatible 65W adapter.
This battery serves as the direct replacement for part numbers L18M4PF0, L18C4PF0, and L18D4PF0. The Lenovo ThinkBook 14s-IWL 20RM0008US 45Wh Battery Price in Kenya is KSh 8,758, offering a high-performance solution that restores the laptop’s original 10–11 hour standby runtime.
Lenovo ThinkBook 14s-IWL Battery: Who Should Buy This?
This internal battery is essential for ThinkBook 14s-IWL (20RM), 13s-IWL (20R9), and 14s-IML (20RS) users in Kenya experiencing:
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Failure to hold a charge for more than 30–60 minutes.
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The laptop only powering on when connected to the 65W Slim-Tip or USB-C charger.
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Significant "wear level" reported in Lenovo Vantage or HWMonitor.
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Rapid Charge functionality failing to reach 80% capacity within the standard 60-minute window.
Lenovo ThinkBook 14s-IWL 20RM0008US Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 4-Cell Internal Battery | ThinkBook 14s-IWL (20RM0008US) | 45Wh / 2965mAh | KSh 8,758 |
Lenovo ThinkBook 14s-IWL 20RM0008US Battery Key Specifications Table
| Feature | Specification Details |
| Model Numbers | L18M4PF0, L18C4PF0, L18D4PF0, L18C4PH0 |
| Compatible Part Nos | 5B10W67334, 5B10S73499, 5B10S73500, 5B10W67315 |
| Capacity | 45Wh (2965mAh) |
| Voltage | 15.36V |
| Rapid Charge Support | Yes (80% in 1 hour with 65W adapter) |
| Battery Type | Lithium-Polymer (Li-Po) |
| Compatibility | ThinkBook 14s-IWL, 13s-IWL, 14s-IML, ThinkBook Plus |
Lenovo ThinkBook 14s-IWL Battery Performance and Safety
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Rapid Charge Efficiency: Specifically tuned to safely accept higher current during the first 30 minutes of charging (reaching ~50%).
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High-Voltage Architecture: The 15.36V design provides stable current to prevent system lag during intensive GPU/CPU tasks.
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Safety Circuits: Integrated multi-layer protection against over-voltage, thermal spikes, and internal short-circuits.
Lenovo ThinkBook 14s-IWL 20RM0008US Battery Pros and Cons Table
| Pros | Cons |
| Restores Rapid Charge for KSh 8,758 | Internal unit requires chassis removal |
| 100% compatible with 65W Slim-Tip & USB-C | Lower capacity than the 56Wh Gen 2 variant |
| High cycle life (500+ charges) | Sensitive to high ambient temperatures |
Lenovo ThinkBook 14s-IWL Battery Frequently Asked Questions (FAQs)
How long does it take to charge this battery?
When used with a 65W AC adapter, the Rapid Charge feature will bring this battery from 0% to 80% in approximately 60 minutes. A full 100% charge typically takes about 2 hours.
Does this fit the ThinkBook 14s-IML (20RS)?
Yes. Both the IWL (8th Gen Intel) and IML (10th Gen Intel) models share the same physical internal layout and battery part numbers.
Lenovo ThinkBook 14s-IWL Battery Conclusion
The Lenovo ThinkBook 14s-IWL 20RM0008US 45Wh Battery at KSh 8,758 is the ideal replacement for business users who need to restore original mobility and fast-charging capabilities.
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We accept Cash Payments . This is applicable for Pay on Delivery orders within Nairobi Metropolitan area.
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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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