45wh Lenovo SB18C15131 battery
Sale price ksh 7,318
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Battery Type: Li-ion
Voltage:11.1V
Capacity: 45Wh
Color: Black
Condition: Brand New
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The Lenovo SB18C15131 (often associated with model L15M3PB1) is a 45Wh internal lithium-ion battery designed specifically for Lenovo’s ultra-portable Chromebook and Flex 11-inch series. This 3-cell battery is engineered to provide long-lasting power for cloud-based computing, ensuring students and mobile professionals can work through a full day without needing a charger.
Operating at an 11.1V architecture with a 4050mAh capacity, it is a direct factory-spec replacement that ensures full compatibility with the laptop's power management firmware. The Lenovo SB18C15131 45Wh Battery Price in Kenya is KSh 7,318, offering a high-value solution to restore the signature 10+ hour battery life of Lenovo's ARM and Intel-based Chromebooks.
Lenovo SB18C15131 Battery: Who Should Buy This?
This battery is the correct replacement for Lenovo Chromebook and Flex users in Kenya facing:
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The laptop failing to turn on unless the USB-C or round-tip power adapter is connected.
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The system reporting "Battery is low" immediately after a full charge.
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Unexpected shutdowns during video calls or while streaming content.
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The battery health indicator in ChromeOS showing a low cycle capacity or "Replace Soon" warning.
Lenovo SB18C15131 Battery Price Table
| Product Name | Part Numbers | Capacity | Price in Kenya |
| Lenovo Chromebook/Flex Battery | SB18C15131 / L15M3PB1 | 45Wh | KSh 7,318 |
Lenovo SB18C15131 Battery Key Specifications
| Feature | Specification Details |
| Model Number | SB18C15131 |
| Alternative Parts | SB18C15129, SB18C15130, L15M3PB1, L15L3PB1 |
| Lenovo FRU | 5B10K88047, 5B10K88048, 5B10K88049 |
| Capacity | 45Wh (4050mAh) |
| Voltage | 11.1V |
| Battery Type | Lithium-ion (Li-ion) |
| Cell Count | 3-Cell |
| Compatibility | Lenovo Chromebook S330, C330, Flex 11 Chromebook |
Lenovo SB18C15131 Battery Performance and Safety
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Reliable Runtime: Designed to handle the low-power states of Chromebooks, providing up to 10 hours of active use.
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Firmware Sync: Fully recognized by the system BIOS/ChromeOS for accurate percentage reporting and health monitoring.
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Safety Integration: Features built-in protection against overcharging, short-circuiting, and high-temperature operation.
Lenovo SB18C15131 Battery Compatibility List
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Chromebook Series: Lenovo Chromebook S330, C330, N22, N23, N42.
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Flex Series: Lenovo Flex 11 Chromebook, IdeaPad Flex 3 CB-11M735.
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Yoga Series: Lenovo Yoga 300-11IBR (selected regional variants).
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Note: This battery uses a specific ribbon cable connector; always verify the physical shape against your original internal battery before installation.
Lenovo SB18C15131 Battery Pros and Cons
| Pros | Cons |
| High energy density for its small size | Requires full disassembly of the bottom chassis |
| Optimized for ChromeOS power efficiency | Not compatible with larger 14" or 15" IdeaPads |
| Competitively priced at KSh 7,318 | Fragile connector pins require careful alignment |
Lenovo SB18C15131 Battery Frequently Asked Questions (FAQs)
Can I use this battery in a standard Windows IdeaPad?
This battery is primarily for the Chromebook and Flex 11 lines. While some small Windows-based Flex models use it, you must verify that your original part number is SB18C15131 or L15M3PB1.
How do I recalibrate this battery after installation?
After installing, charge the battery to 100% and continue charging for 2 more hours. Then, use the laptop until it shuts down due to low battery before charging it back to full.
Lenovo SB18C15131 Battery Conclusion
The Lenovo SB18C15131 45Wh Battery at KSh 7,318 is the ideal replacement to maintain the mobility of your Chromebook or Flex 11. It ensures your device remains as portable and reliable as the day you bought it.
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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