Lenovo ThinkPad T490 20N3 battery
Sale price ksh 7,798
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Battery Type: Li-ion
Voltage: 11.52V / 11.55V
Capacity: 49wh-51wh-55WH
Color: Black
Condition: Brand New
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The Lenovo ThinkPad T490 20N3 50Wh Original Battery is a slim internal 3-cell lithium-polymer unit designed for the ThinkPad T490 business laptop series. It operates at approximately 11.52V–11.55V and is built to deliver stable and efficient power for professional workloads such as office applications, browsing, and multitasking.
At KSh 7,798, this battery is a genuine replacement compatible with part numbers L18M3P73, L18L3P73, L18C3P71, and SB10K97646. It restores reliable runtime of around 7–12 hours depending on usage, making it suitable for both office and student environments.
Lenovo ThinkPad T490 20N3 50Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | ThinkPad T490 (20N2 / 20N3 series) | 50Wh / approx. 4345mAh | KSh 7,798 |
Lenovo ThinkPad T490 20N3 50Wh Battery Key Specifications
| Feature | Specification Details |
|---|---|
| Model Numbers | L18M3P73 / L18L3P73 |
| Compatible Part Nos | SB10K97645, SB10K97646, 02DL007, 02DL008 |
| Capacity | 50Wh (approx. 4345mAh) |
| Voltage | 11.52V – 11.55V |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Cell Count | 3-Cell |
| Compatibility | ThinkPad T490 (20N2, 20N3), T14 Gen 1, P14s Gen 1, P43s |
Lenovo ThinkPad T490 20N3 50Wh Battery Charging Speed and Efficiency
The battery is optimized for business performance
- Supports Lenovo Rapid Charge with compatible USB-C adapters
- Reaches up to 80% charge in about 1 hour under ideal conditions
- Stable power output for multitasking and productivity workloads
Lenovo ThinkPad T490 20N3 50Wh Battery Safety Protection Technologies
- Protection against overcharging, overheating, and short circuits
- Smart battery management system ensures accurate power reporting and safe operation
Lenovo ThinkPad T490 20N3 50Wh Battery Connectivity and Compatibility
- Precision-fit internal design for T490 chassis
- Fully recognized by Lenovo BIOS and Vantage software for proper battery calibration
Lenovo ThinkPad T490 20N3 50Wh Battery Charger Cable Strength and Durability
- Reinforced connector ensures stable motherboard connection
- Durable internal wiring supports long-term daily use
Lenovo ThinkPad T490 20N3 50Wh Battery Ideal Use Cases
- Office and business productivity
- Students and remote workers
- Replacement for worn-out or degraded batteries
Lenovo ThinkPad T490 20N3 50Wh Battery Pros and Cons Table
| Pros | Cons |
|---|---|
| Reliable OEM-spec performance | Internal installation required |
| Good 50Wh capacity for daily use | Not user-removable |
| Wide compatibility across ThinkPad models | Moderate capacity compared to newer ultrabooks |
Lenovo ThinkPad T490 20N3 50Wh Battery FAQs
Q: Is this battery compatible with T14 models?
A: Yes, it is also compatible with ThinkPad T14 Gen 1 and P14s Gen 1 models
Q: How long does it last on a full charge?
A: Typically 7 to 12 hours depending on workload and system usage
Q: Can I replace it myself?
A: Yes, but it requires opening the bottom cover and using proper tools
Lenovo ThinkPad T490 20N3 50Wh Battery Conclusion
The Lenovo ThinkPad T490 20N3 50Wh battery at KSh 7,798 is a reliable and cost-effective replacement that restores original battery performance, making it ideal for business, study, and everyday productivity use.
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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