Lenovo ThinkBook 15 IML 20RW battery
Sale price ksh 9,838
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Battery Type: Li-ion
Voltage: 11.52V
Capacity: 57WH
Color: Black
Condition: Brand New
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The Lenovo ThinkBook 15-IML (Type 20RW) Original Battery is a professional-grade 3-cell internal lithium-polymer power cell. Specifically designed for the 10th Gen Intel-powered ThinkBook series, this 45Wh battery balances slim portability with the sustained power required for business productivity and multitasking.
Operating at a nominal 11.52V / 11.55V (approx. 4140mAh), this battery is the direct OEM replacement for FRU part numbers 5B10X55573, 5B10X55571, and L19M3PF1. The Lenovo ThinkBook 15-IML 20RW Battery Price in Kenya is KSh 9,838, ensuring your device maintains its Rapid Charge capabilities and seamless integration with Lenovo Vantage power management software.
Lenovo ThinkBook 15-IML Battery: Who Should Buy This?
This internal battery is the exact fit for the ThinkBook 15-IML (20RW) and ThinkBook 15-IIL (20SM). It is the essential replacement for users in Kenya experiencing:
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The laptop shutting down suddenly when the USB-C or Slim-Tip charger is disconnected.
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"Non-genuine battery detected" errors or "Battery Health: Poor" status in system diagnostics.
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A significant reduction in runtime, where the laptop fails to last more than 2 hours on a full charge.
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Chassis swelling or trackpad responsiveness issues, which are often caused by a failing internal polymer battery.
Lenovo ThinkBook 15-IML (20RW) 45Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Professional 3-Cell Internal | ThinkBook 15-IML (20RW) | 45Wh / 4140mAh | KSh 9,838 |
Lenovo ThinkBook 15-IML (20RW) Battery Key Specifications Table
| Feature | Specification Details |
| Model Numbers | L19M3PF1, L19C3PF1, L19L3PF1, L19D3PF1 |
| Compatible Part Nos | 5B10X55573, 5B10X55571, 5B10W67257, 5B10V25250 |
| Capacity | 45Wh (4140mAh) |
| Voltage | 11.52V / 11.55V (Interchangeable) |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Cell Count | 3-Cell Internal |
| Cycle Life | 500+ Recharge Cycles |
Lenovo ThinkBook 15-IML Battery Performance and Safety
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Rapid Charge Technology: Fully supports Lenovo's fast-charging protocol, reaching 80% capacity in approximately 60 minutes with a 65W adapter.
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Firmware Verification: Guaranteed to be recognized by the Lenovo BIOS, ensuring accurate percentage reporting and avoiding software warnings.
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Advanced Thermal Monitoring: Integrated thermistors monitor cell temperature in real-time to prevent overheating during heavy processing.
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Vantage Calibration: Optimized for the "Battery Gauge Reset" tool in Lenovo Vantage, keeping the remaining runtime indicator precise.
Lenovo ThinkBook 15-IML (20RW) 45Wh Battery Pros and Cons Table
| Pros | Cons |
| Official Rapid Charge support for KSh 9,838 | Higher price than generic aftermarket cells |
| Seamless software integration with Vantage | Requires T5 Torx/Phillips tools for installation |
| Slim-profile design maintains light weight | 45Wh is the standard (not the extended 57Wh) size |
Lenovo ThinkBook 15-IML Battery Frequently Asked Questions (FAQs)
Can I upgrade to the 57Wh battery model?
The 57Wh battery (L19C3PF7) fits in many 20RW configurations, but only if your laptop does not have a 2.5-inch SATA hard drive installed. If your ThinkBook uses a SATA HDD, you must use this 45Wh (L19M3PF1) model for proper internal clearance.
How do I safely install this battery?
Before opening the laptop, enter the BIOS (F1 at startup) and select Config > Power > Disable Built-in Battery. This electronically disconnects the power for safe servicing. You can then remove the bottom cover screws to replace the unit.
Lenovo ThinkBook 15-IML Battery Conclusion
The Lenovo ThinkBook 15-IML (20RW) 45Wh Battery at KSh 9,838 is the definitive replacement part to restore the professional reliability and mobile endurance of your ThinkBook.
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