Lenovo ThinkPad T490 20N20022CA 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 (20N20022CA) 50Wh battery is a high-performance internal 3-cell lithium-polymer power unit designed specifically for the business-standard T490 series. This battery provides the stable 11.52V output required to sustain 8th and 10th Gen Intel Core processors and optional discrete graphics. The Lenovo ThinkPad T490 (20N20022CA) 50Wh Battery Price in Kenya is KSh 7,798.
This replacement battery supports Lenovo’s Rapid Charge technology, allowing the system to regain 80% of its capacity in approximately 60 minutes when paired with a 65W USB-C adapter. It is the definitive solution for restoring the T490's original 16-hour rated endurance, resolving issues such as sudden power loss when unplugged, "Service Recommended" warnings, or significant capacity degradation.
Who Should Buy This Battery?
The Lenovo ThinkPad T490 (20N20022CA) battery is an essential investment for corporate professionals, students, and mobile users in Kenya. It is ideal for those who rely on the T490 for all-day productivity and need a reliable, high-density power source that maintains the laptop's lightweight profile.
Lenovo ThinkPad T490 (20N20022CA) Battery Price Table
| Product | Model Compatibility | Capacity | Price in Kenya |
| Internal 3-Cell Li-Polymer | ThinkPad T490 (20N2, 20N3, 20RY) | 50Wh / 4400mAh | KSh 7,798 |
Lenovo ThinkPad T490 (20N20022CA) Battery Key Specifications Table
| Feature | Specification Details |
| Battery Type | Lithium-Ion Polymer (Li-Po) |
| Voltage Output | 11.52V |
| Capacity | 50Wh (Approx. 4400mAh) |
| Cell Count | 3-Cell Internal |
| Part Numbers | L18M3P73, L18L3P73, L18C3P73, 02DL007, 02DL008, 5B10W13897 |
| Compatibility | ThinkPad T490, T495, P43s |
| Connector Type | Internal Multi-pin Cable |
| Charging | Rapid Charge Supported (80% in 1hr) |
| Build Material | High-Density Grade A+ Cells |
| Cycle Life | 300–500 Recharge Cycles |
| Condition | Brand New |
Lenovo ThinkPad T490 (20N20022CA) Battery Design and Build Quality
The Lenovo ThinkPad T490 (20N20022CA) battery features a precision-molded 3-cell design engineered to fit perfectly within the T490's magnesium alloy chassis. This internal unit is designed for durability, featuring a rigid casing that protects the lithium-polymer cells from thermal stress and physical impact. The high-density cell arrangement ensures the battery provides maximum energy storage while keeping the laptop's weight starting at just 1.46kg.
Build quality is prioritized for corporate-level reliability. The Lenovo ThinkPad T490 (20N20022CA) battery utilizes high-quality internal wiring and reinforced connectors, ensuring a secure electrical connection to the motherboard that resists wear from vibration and long-term use.
Lenovo ThinkPad T490 (20N20022CA) Battery Charging Speed and Efficiency
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Rapid Charge Performance: Regains 80% charge in about 60 minutes, perfect for quick boosts during lunch breaks or between meetings.
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System Intelligence: Fully compatible with Lenovo Vantage for accurate monitoring of health, temperature, and cycle counts.
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Voltage Management: Maintains a steady 11.52V output to ensure optimal performance of the processor and storage components.
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Efficient Retention: Features low self-discharge rates, ensuring the laptop stays ready for use even after being stored in sleep mode.
Lenovo ThinkPad T490 (20N20022CA) Battery Safety Protection Technologies
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Integrated Protection Board: Built-in safety circuits guard against over-voltage, thermal overheating, and internal short circuits.
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Smart BIOS Sync: Ensures the battery is recognized by the system firmware for authentic power management and safety protocols.
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Anti-Swelling Safety: Specifically designed to resist cell expansion, protecting the internal components and trackpad from damage.
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Current Regulation: Controls power intake during Rapid Charge sessions to prevent long-term stress on the lithium-polymer cells.
Lenovo ThinkPad T490 (20N20022CA) Battery Ideal Use Cases
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Business Productivity: Restores the long battery life needed for extended office work and client presentations.
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Academic Success: Provides dependable power for students handling research, coding, and remote learning tasks.
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Mobile Workstation Use: Ideal for T490 users who frequently travel and need consistent power for field assignments.
Lenovo ThinkPad T490 (20N20022CA) Battery Pros and Cons Table
| Pros | Cons |
| High-density 50Wh capacity for all-day business use | Internal installation requires technical care |
| Supports 80% Rapid Charge in just 60 minutes | Requires a Phillips screwdriver for installation |
| Full system synchronization for health reporting | Strictly compatible only with T490/T495/P43s models |
Lenovo ThinkPad T490 (20N20022CA) Battery Frequently Asked Questions (FAQs)
What is the price of the Lenovo ThinkPad T490 (20N20022CA) battery in Kenya?
The current price for this 50Wh high-quality internal replacement battery is KSh 7,798.
How do I safely replace the Lenovo ThinkPad T490 (20N20022CA) battery?
Restart and enter BIOS (F1). Navigate to Config > Power and select "Disable Built-in Battery." Once the system shuts down, you can safely remove the bottom cover and swap the unit.
Will the Lenovo ThinkPad T490 (20N20022CA) battery fit the ThinkPad T490s?
No. The T490s uses a different, physically wider battery design. This unit is specifically for the standard T490, T495, and P43s models.
Does this battery support fast charging?
Yes, it is fully compatible with Lenovo's Rapid Charge technology when used with an original 65W USB-C power adapter.
Lenovo ThinkPad T490 (20N20022CA) Battery Conclusion
The Lenovo ThinkPad T490 (20N20022CA) 50Wh battery at KSh 7,798 is the professional-grade solution to maintain the reliability and mobile performance of your essential business laptop. With its massive capacity, Rapid Charge support, and advanced safety protocols, it eliminates the inconvenience of being tethered to a wall outlet. Investing in this quality-grade replacement ensures that your ThinkPad T490 remains a powerful and mobile tool for all your professional and academic goals.
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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
