Lenovo ThinkPad T590 20N40026US 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 T590 (20N40026US) 57Wh battery is a professional-grade internal power unit engineered for the 15.6-inch T-series workstation. Specifically designed for the 20N4 series, this 3-cell lithium-polymer battery provides the stable 11.52V output required to power large-format displays and Intel Core processing hardware. The Lenovo ThinkPad T590 (20N40026US) 57Wh Battery Price in Kenya is KSh 7,798
This replacement unit features native support for Lenovo’s Rapid Charge technology, which restores 80% of its capacity in approximately 60 minutes when paired with a 65W USB-C power adapter. It is the definitive solution for restoring original mobile endurance, addressing issues such as "Battery Not Detected" errors, swelling, or the device failing to hold a charge throughout a full day of professional tasks.
Who Should Buy This Battery?
The Lenovo ThinkPad T590 (20N40026US) battery is an essential purchase for office professionals, data analysts, and software developers in Kenya. It is ideal for users who rely on the T590’s expansive 15.6-inch screen and need a dependable energy source for long presentations, remote data processing, and back-to-back meetings away from a power outlet.
Lenovo ThinkPad T590 (20N40026US) Battery Price Table
| Product | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | ThinkPad T590 (20N4, 20N5), T15 Gen 1 | 57Wh / 4948mAh | KSh 7,798 |
Lenovo ThinkPad T590 (20N40026US) Battery Key Specifications Table
| Feature | Specification Details |
| Battery Type | Lithium-Ion Polymer (Li-Po) |
| Voltage Output | 11.52V |
| Capacity | 57Wh (Approx. 4948mAh) |
| Cell Count | 3-Cell Internal |
| Part Numbers | L18M3P71, L18L3P71, L18S3P71, 02DL011, 02DL012, SB10K97649, 5B10W13904 |
| Compatibility | ThinkPad T590, ThinkPad T15 Gen 1, ThinkPad T595 |
| Connector Type | Internal Multi-pin Cable Connector |
| 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 T590 (20N40026US) Battery Design and Build Quality
The Lenovo ThinkPad T590 (20N40026US) battery features a precision-engineered internal design tailored specifically for the T590’s professional 15.6-inch chassis. Utilizing high-density 3-cell chemistry, it provides a substantial 57Wh energy reservoir that balances runtime with the laptop's slim profile. The battery is protected by a heat-resistant casing to ensure consistent thermal performance during heavy computational workloads.
Build quality focuses on workstation-class durability. The Lenovo ThinkPad T590 battery includes a flexible internal ribbon cable and reinforced mounting tabs, ensuring a secure and vibration-proof electrical path to the motherboard, which is essential for maintaining system stability during frequent mobile use.
Lenovo ThinkPad T590 (20N40026US) Battery Charging Speed and Efficiency
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Rapid Charge Support: Regains 80% charge in about 60 minutes, maximizing uptime for professionals between office visits or travel.
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Firmware Sync: Fully recognized by Lenovo BIOS and Vantage for precise monitoring of capacity, temperature, and recharge cycles.
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Stable Energy Delivery: Maintains a steady 11.52V output to prevent hardware throttling or sudden shutdowns during peak power demands.
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Low Self-Discharge: High-purity lithium-polymer chemistry ensures minimal energy drain when the laptop is in Modern Standby.
Lenovo ThinkPad T590 (20N40026US) Battery Safety Protection Technologies
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Cell Balancing Logic: The integrated BMS ensures each of the three cells charges and discharges evenly to prevent premature aging and maximize longevity.
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Thermal Sensors: Built-in thermistors monitor internal cell temperature, regulating power intake if temperatures rise during Rapid Charge sessions.
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Anti-Swelling Safety: Structural safety margins prevent cell expansion from damaging the internal motherboard or the laptop's keyboard.
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Short-Circuit Protection: Includes dedicated hardware-level safety fuses for immediate electrical cutoff in the event of an electrical fault or surge.
Lenovo ThinkPad T590 (20N40026US) Battery Ideal Use Cases
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Corporate Productivity: Restores the dependability needed for all-day office tasks and client presentations.
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Remote Management: Provides the long-term energy reservoir required for off-site data management and technical support.
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System Restoration: The definitive solution for replacing a degraded unit to keep your business-standard workstation performing at its best.
Lenovo ThinkPad T590 (20N40026US) Battery Pros and Cons Table
| Pros | Cons |
| High 57Wh capacity offers superior runtime for 15-inch systems | Internal installation requires removing the base cover |
| Supports 80% Rapid Charge in just 60 minutes | Requires a Phillips #0 precision screwdriver |
| Grade A+ cells ensure long-term stability and health | Not compatible with the T580 (which uses external batteries) |
Lenovo ThinkPad T590 (20N40026US) Battery Frequently Asked Questions (FAQs)
What is the price of the Lenovo ThinkPad T590 (20N40026US) battery in Kenya?
The current price for this 57Wh high-quality internal replacement battery is KSh 7,798.
How do I safely replace the Lenovo ThinkPad T590 (20N40026US) battery?
Restart and enter BIOS (F1). Navigate to Config > Power and select "Disable Built-in Battery." Once the system powers off, you can safely remove the base cover screws and swap the unit.
Will this battery fit the ThinkPad T15 Gen 1?
Yes. The ThinkPad T590 and T15 Gen 1 share the same internal architecture and battery part numbers.
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 T590 (20N40026US) Battery Conclusion
The Lenovo ThinkPad T590 (20N40026US) 57Wh battery at KSh 7,798 is the professional-grade solution to maintain the reliability and mobility of your 15.6-inch business workstation. With its support for Rapid Charge, workstation-level safety protocols, and precision fit, it eliminates the frustration of being tethered to a wall outlet. Investing in this quality-grade replacement ensures that your ThinkPad remains a powerful and mobile tool for all your professional achievements.
Cash Payments (Nairobi only)
We accept Cash Payments . This is applicable for Pay on Delivery orders within Nairobi Metropolitan area.
Mpesa Payment.
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Bank Deposit /EFT
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Pesalink
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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
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