45wh Lenovo ThinkBook 13s-IWL 20R9005LUS battery
Sale price ksh 8,878
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Battery Type: Li-ion
Voltage: 15.36V
Capacity: 45wh
Color: Black
Condition: Brand New
Warranty: Full 12 Months Warranty and 30 Days Money Back
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The Lenovo ThinkBook 13s-IWL Original Battery is a high-performance internal lithium-polymer unit designed for Lenovo's sleek, aluminum-chassis business laptops. Optimized for productivity and fast charging, this battery ensures your 13-inch ThinkBook maintains its professional mobility. The Lenovo ThinkBook 13s-IWL Battery Price in Kenya is KSh 8,878.
Operating at 15.36V with a capacity of 45Wh (2965mAh), this 4-cell battery is a direct replacement for part numbers L18M4PF0, L18C4PF0, L18D4PF0, 5B10S73499, and 5B10W67399. At KSh 8,878, this original-spec unit restores the device’s signature endurance, capable of powering through long meetings and travel days.
Who Should Buy This Battery?
This replacement is essential for ThinkBook 13s-IWL (20R9005LUS) users in Kenya whose laptops are no longer reaching their advertised 11-hour runtime or are failing to charge despite being plugged into a 65W adapter. For KSh 8,878, you regain the "Rapid Charge" functionality that allows the battery to reach 80% capacity in just one hour.
Lenovo ThinkBook 13s-IWL Series Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 4-Cell Internal | ThinkBook 13s-IWL (20R9) | 45Wh / 2965mAh | KSh 8,878 |
Lenovo ThinkBook 13s-IWL Series Battery Key Specifications Table
| Feature | Specification Details |
| Model Number | L18M4PF0 / L18C4PF0 |
| Compatible Part Nos | 5B10S73500, 5B10W67315, 5B10S73501 |
| Capacity | 45Wh (2965mAh) |
| Voltage | 15.36V |
| Battery Type | Lithium-Polymer (Li-Po) |
| Cell Count | 4-Cell |
| Cycle Life | 500–800 Charge Cycles |
| Compatibility | ThinkBook 13s-IWL, 14s-IWL, 13s-IML |
Lenovo ThinkBook 13s-IWL Series Battery Performance and Safety
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Rapid Charge Compatibility: Supports Lenovo’s 65W Slim-Tip or USB-C fast charging, delivering an 80% charge in approximately 60 minutes.
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Firmware Optimized: Seamlessly communicates with the ThinkBook UEFI/BIOS for accurate "Time Remaining" estimates and health diagnostics.
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Safety Engineering: Built-in protection against over-voltage, short-circuits, and internal cell swelling to protect the laptop's aluminum bottom cover.
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Grade A+ Cells: High-density cells ensure the battery maintains its capacity even after hundreds of discharge cycles.
Lenovo ThinkBook 13s-IWL Series Compatibility List
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ThinkBook 13s Series: 13s-IWL (20R9), 13s-IML (20RR).
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ThinkBook 14s Series: 14s-IWL (20RM), 14s-IML (20RS).
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Specific Models: 20R9005LUS, 20R9007GCA, 20R9005MUS.
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Note: This battery is designed for the first-generation ThinkBook 13s. While the ThinkBook 13s Gen 2 and Gen 3 look similar, they use different battery connectors and capacities (56Wh).
Lenovo ThinkBook 13s-IWL Series Battery Pros and Cons Table
| Pros | Cons |
| Restores Rapid Charge functionality for KSh 8,878 | Lower capacity compared to the 56Wh Gen 2 battery |
| Perfect flush fit within the slim 15.9mm chassis | Requires a Torx T5 or Phillips #0 for installation |
| Official 15.36V high-voltage design for stability | Internal unit is not hot-swappable |
Lenovo ThinkBook 13s-IWL Series Battery Frequently Asked Questions (FAQs)
How long does a new 45Wh battery last on the ThinkBook 13s-IWL?
Typically, you can expect 6 to 9 hours of mixed use (web browsing and documents). Using high-brightness settings or video conferencing will reduce this to approximately 4–5 hours.
Can I charge this battery with a 45W charger?
Yes, but the "Rapid Charge" feature requires a 65W power adapter. With a 45W charger, the battery will charge at a standard, slower rate.
Is it safe to replace the battery myself?
Yes, it is considered a Customer Replaceable Unit (CRU). Ensure you enter the BIOS and select "Disable Built-in Battery" before opening the base cover to prevent accidental short-circuits.
Lenovo ThinkBook 13s-IWL Series Battery Conclusion
The Lenovo ThinkBook 13s-IWL 45Wh Battery at KSh 8,878 is the ideal replacement for users looking to maintain the ultra-portable professional standards of their device. It provides the exact technical specifications and safety features required to ensure your ThinkBook remains a reliable tool for business.
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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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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.
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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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