Lenovo ThinkPad L390 20NR000BUS battery
Sale price ksh 9,478
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Battery Type: Li-ion
Voltage: 11V
Capacity: 45WH
Color: Black
Condition: Brand New
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The Lenovo ThinkPad L390 20NR000BUS 45Wh Original Battery is a high-performance internal 3-cell lithium-ion unit designed for business-grade reliability. Built to meet the rigorous demands of the ThinkPad L-series, this battery supports the device's Rapid Charge technology, allowing it to reach 80% capacity in approximately one hour when used with a compatible 65W USB-C charger. Operating at 11.1V (compatible with 11.4V) and providing roughly 4120mAh, this battery is the direct replacement for the L17M3P55, L17L3P53, and L17C3P53 part numbers. At KSh 9,478, this unit offers a professional-standard solution to restore the 10–14 hour mobile productivity expected from this 13.3-inch workstation.
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | ThinkPad L390 (20NR, 20NS) | 45Wh / 4120mAh | KSh 9,478 |
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery Key Specifications
| Feature | Specification Details |
| Model Numbers | L17M3P55, L17L3P53, L17C3P53 |
| Compatible Part Nos | 01AV481, 01AV482, 01AV483, SB10K97625 |
| Capacity | 45Wh (4120mAh) |
| Voltage | 11.1V / 11.4V |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Cell Count | 3-Cell Internal |
| Fast Charge Support | Yes (Requires 65W USB-C Adapter) |
| Compatibility | ThinkPad L390, L390 Yoga, L380, L380 Yoga |
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery Performance and Safety
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Enterprise Stability: Engineered with high-grade cells that maintain a stable voltage curve, preventing system crashes under high CPU loads.
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Firmware Integration: Fully compatible with ThinkPad "Battery Threshold" settings, allowing you to limit the maximum charge to 80% to extend the total lifespan of the cells.
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Intelligent Protection: Features a dedicated controller chip to protect against short circuits, over-voltage, and thermal runaway.
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery Pros and Cons Table
| Pros | Cons |
| Supports Rapid Charge (80% in 60 mins) | Higher price point than consumer-grade batteries |
| Compatible with both Yoga and clamshell models | Requires a Phillips #0 screwdriver for installation |
| Long cycle life (up to 500+ recharges) | Internal battery; requires base cover removal |
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery FAQs
Q: Can I use this battery in my ThinkPad L380?
A: Yes. The ThinkPad L380 and L390 share the same internal architecture and use the exact same 45Wh battery models (L17M3P55).
Q: Does this battery come with the required connector cable?
A: Yes, the battery is a modular unit with a short integrated ribbon cable that plugs directly into the motherboard.
Q: My L390 is shutting down without warning; will this fix it?
A: Yes. This is a common symptom of a failing battery cell. Replacing it with this original KSh 9,478 unit will restore the device's stability and power management.
Lenovo ThinkPad L390 20NR000BUS 45Wh Battery Conclusion
The Lenovo ThinkPad L390 (20NR000BUS) 45Wh Battery at KSh 9,478 is the most effective way to restore your business laptop's mobility, ensuring you have the reliable, high-end power required for professional tasks.
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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