Lenovo ThinkBook 15 IML 20RW005JUS 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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24 Hrs Delivery All Over Kenya
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The Lenovo ThinkBook 15 IML 20RW005JUS 45Wh battery is a high-density internal lithium-polymer power unit designed for the first generation of ThinkBook 15-inch professional laptops. Engineered to handle the multitasking demands of modern business environments, this 3-cell battery provides the steady 11.25V output required for 10th Gen Intel Core performance. The Lenovo ThinkBook 15 IML 20RW005JUS 45Wh Battery Price in Kenya is KSh 8,758.
This battery is a direct replacement for the 20RW hardware series and fully supports Lenovo’s Rapid Charge technology. When paired with a 65W USB-C or slim-tip power adapter, it can reach 80% charge in about 60 minutes. It is the primary solution for restoring the ThinkBook's mobile productivity, effectively fixing issues like sudden shutdowns, slow charging, or "Battery not detected" errors
Who Should Buy This Battery?
This battery is essential for ThinkBook 15 IML users in Kenya who have noticed their laptop no longer lasts through a standard workday. It is highly recommended for remote professionals, accountants, and administrative staff who value the ThinkBook's balance of performance and portability and need reliable unplugged endurance.
Lenovo ThinkBook 15 IML 20RW005JUS Battery Price Table
| Product | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | ThinkBook 15 IML (20RW) | 45Wh / 4000mAh | KSh 8,758 |
Lenovo ThinkBook 15 IML 20RW005JUS Battery Key Specifications
| Feature | Specification Details |
| Battery Type | Lithium-Ion Polymer (Li-Po) |
| Voltage Output | 11.25V / 11.4V / 11.52V (Compatible) |
| Capacity | 45Wh (Approx. 4000mAh - 4140mAh) |
| Cell Count | 3-Cell Internal |
| Part Numbers | L18M3PF2, L19M3PF1, L19C3PF1, 5B10W67364, 5B10X55573 |
| Compatibility | ThinkBook 15 IML, 15-IIL, 14-IML, 14-IIL |
| Connector Type | Internal Multi-pin Ribbon |
| Charging | Rapid Charge Supported (80% in 1hr) |
| Build Material | High-Density Thin-Profile Cells |
| Cycle Life | 300–500 Recharge Cycles |
Design and Build Quality
The 20RW005JUS battery features a slim "slab" design tailored for the ThinkBook 15's spacious yet thin chassis. By utilizing a 3-cell polymer arrangement, Lenovo maximized capacity without adding excessive weight. The battery is housed in a rigid, anti-static casing that prevents cell swelling, ensuring it doesn't apply pressure to the trackpad or internal motherboard circuitry.
Charging Speed and Efficiency
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Rapid Charge Performance: Regains 80% of its 45Wh capacity in just 60 minutes, making it ideal for busy professionals with short charging windows.
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Stable Power Delivery: Engineered to maintain consistent voltage levels to prevent system throttling during CPU-intensive tasks.
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Low Self-Discharge: High-quality polymer chemistry ensures the battery retains energy effectively during extended periods of sleep or transit.
Safety Protection Technologies
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Thermal Management: Built-in sensors monitor temperatures in real-time to adjust charging speeds and prevent overheating.
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BMS Optimization: The integrated Battery Management System (BMS) prevents over-charging and deep-discharge, prolonging the battery's multi-year health.
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Short-Circuit Guard: Features an immediate electrical cutoff to protect the system motherboard in the event of a fault.
Ideal Use Cases
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Remote Business Productivity: Restores the ability to handle spreadsheets and video calls away from a permanent desk.
Corporate Office Use: Reliable backup for moving between meeting rooms without needing a charger -
Academic Multitasking: Perfect for students who need their 15-inch laptop to last through long library sessions.
Lenovo ThinkBook 15 IML 20RW005JUS Battery Pros and Cons
| Pros | Cons |
| Genuine 45Wh capacity restores original mobile runtime | Internal installation requires removing the base cover |
| Supports 80% Rapid Charge in just 60 minutes | Requires a Phillips #0 precision screwdriver for installation |
| Full compatibility with ThinkBook 14 and 15 series | Ribbon connector cable requires careful handling |
Frequently Asked Questions (FAQs)
What is the price of the Lenovo ThinkBook 15 IML battery in Kenya?
The current price for this 45Wh high-quality internal replacement battery is KSh 8,758.
How do I safely replace the battery?
Restart and enter BIOS (F1). Go to Config > Power and select "Disable Built-in Battery." This safely cuts power so you can remove the bottom screws and swap the unit.
Does this battery support fast charging?
Yes, it is fully compatible with Lenovo's Rapid Charge technology when used with a 65W or higher power adapter.
Conclusion
The Lenovo ThinkBook 15 IML 20RW005JUS 45Wh battery at KSh 8,758 is a critical component for restoring the mobile performance and reliability of your professional laptop. With its support for Rapid Charge and integrated safety protocols, it eliminates the frustration of constant wall-tethering. Investing in this quality-grade replacement ensures that your ThinkBook remains a powerful and mobile tool for all your career and professional goals.
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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