Lenovo 5B10W51829 5B10W51830 battery

Sale price ksh 7,798

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SKU: 26235
Condition: Brand New
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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 5B10W51829 and 5B10W51830 50Wh Original Battery is a high-quality 3-cell lithium-polymer internal battery used in several Lenovo ThinkPad business laptops. It operates at around 11.52V and is designed for stable productivity performance in models like T490, T495, T14, and P14s series.

At KSh 7,798, this battery is an OEM-spec replacement that restores normal mobility and delivers an average runtime of about 6–10 hours depending on workload and system configuration.

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Price Table

Component Name Model Compatibility Capacity Price in Kenya
Original 3-Cell Internal ThinkPad T490 / T495 / T14 / P14s series ~50Wh / approx. 4350mAh KSh 7,798

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Key Specifications

Feature Specification Details
Model Numbers 5B10W51829 / 5B10W51830
FRU / Equivalent SB10W51929 (varies by region)
Capacity ~50Wh (approx. 4345–4350mAh)
Voltage 11.52V
Battery Type Lithium-Polymer (Li-Po)
Cell Count 3-Cell
Compatibility ThinkPad T490, T495, T14 Gen 1, P14s Gen 1

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Charging Speed and Efficiency

The Lenovo 50Wh ThinkPad battery is optimized for business use:

  • Balanced power output for CPU-focused workloads
  • Efficient energy management for long office sessions
  • Supports Lenovo rapid charge systems depending on adapter

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Safety Protection Technologies

Built with enterprise-grade protections:

  • Overcharge protection to prevent swelling
  • Thermal regulation for safe long-term use
  • Smart battery controller for accurate power reporting

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Connectivity and Compatibility

  • Precision internal fit for ThinkPad chassis
  • Fully recognized by Lenovo BIOS and power management systems
  • Cross-compatible across multiple ThinkPad T-series models

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Charger Cable Strength and Durability

  • Reinforced internal connector for stable power delivery
  • Heat-resistant lithium-polymer construction
  • Designed for daily business workloads

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Ideal Use Cases

  • Office productivity and business users
  • Students and remote workers
  • Light development and multitasking
  • Replacement for degraded ThinkPad batteries

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Pros and Cons

Pros Cons
Reliable OEM compatibility Internal installation required
Good 50Wh capacity Not for gaming or heavy GPU workloads
Stable ThinkPad performance Moderate capacity vs 80–90Wh batteries
Safe lithium-polymer design  

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – FAQs

Q: Are 5B10W51829 and 5B10W51830 the same?
A: Yes, they are closely related Lenovo part numbers used for the same 50Wh ThinkPad battery family.

Q: How long does it last?
A: Typically 6–10 hours depending on usage and power settings.

Q: Which laptops use this battery?
A: Commonly used in ThinkPad T490, T495, T14 Gen 1, and P14s Gen 1 series.

Lenovo 5B10W51829 / 5B10W51830 50Wh Battery – Conclusion

The Lenovo 5B10W51829 / 5B10W51830 50Wh Battery at KSh 7,798 is a reliable OEM replacement designed for ThinkPad users who need stable business performance and decent battery life. It is best suited for productivity-focused workloads and restoring worn-out internal batteries in compatible ThinkPad models.

 
 

Cash Payments (Nairobi only)

We accept  Cash Payments . This is applicable for Pay on Delivery orders within Nairobi Metropolitan area.

Mpesa Payment.

  1. Go to Safaricom SIM Tool Kit, select M-PESA menu, select “Lipa na M-PESA“
  2. Select “Pay Bill“
  3.  Select “Enter Business no.“, Enter Rondamo technologies Lipa na M-PESA PayBill Number 964586 and press “OK”
  4. Account no. ( Indicate Order No. & Your Name)
  5. “Enter Amount : ( Total shown on Invoice)
  6. 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