Lenovo 5B10K87720 5B10L13960 39wh battery
Sale price ksh 8,038
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Battery Type: Li-ion
Voltage:7.7V
Capacity: 30Wh
Color: Black
Condition: Brand New
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The Lenovo 5B10K87720 5B10L13960 39Wh Original Battery is a high-capacity internal 2-cell lithium-polymer power unit. Designed specifically for the IdeaPad 310-15 and 510-15 series, this battery provides the stable 7.6V or 7.68V output required for mainstream productivity. At KSh 8,038, this 39Wh unit is the certified original replacement for part numbers 5B10K87720, 5B10L13960, and L15M2PB5. It offers a significant runtime upgrade over the standard 30Wh cells found in base models, providing the endurance needed for extended work sessions, streaming, and student use in Kenya.
Lenovo 5B10K87720 5B10L13960 39Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 2-Cell Internal | IdeaPad 310-15 / 510-15 Series | 39Wh / 5055mAh | KSh 8,038 |
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Key Specifications
| Feature | Specification Details |
| Model Numbers | L15M2PB5, L15L2PB5, L15C2PB5 |
| Compatible Part Nos | 5B10K87720, 5B10L13960, L15M2PB3, L15L2PB4 |
| Capacity | 39Wh (approx. 5055mAh) |
| Voltage | 7.6V / 7.68V |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Cell Count | 2-Cell |
| Compatibility | IdeaPad 310-15ABR, 310-15IKB, 310-15ISK, 510-15IKB |
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Battery Charging Speed and Efficiency
The Lenovo 39Wh Original Battery is optimized for reliable daily performance:
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Upgraded Endurance: Offers roughly 30% more capacity than the 30Wh standard version, extending mobile use for office tasks and media.
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Stable Charging Profile: Fully compatible with Lenovo’s 45W and 65W Round-Tip or USB-C power adapters, ensuring safe and efficient charging without overheating.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Battery Safety Protection Technologies
Safety is a core priority for the Lenovo 5B10K87720 39Wh Original Battery:
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Multi-Stage Circuit Guard: Protects against over-voltage, over-current, and internal short circuits to safeguard the laptop's motherboard.
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Thermal Monitoring Sensors: Built-in sensors monitor internal cell temperatures, automatically regulating power flow to prevent thermal stress during extended use.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Battery Connectivity and Compatibility
This internal battery is the essential fit for the 15-inch IdeaPad 310 and 510 series in Kenya:
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Model Compatibility: Specifically for the IdeaPad 310-15 and 510-15 series (including ABR, IKB, and ISK variants).
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Part Number Match: Certified replacement for OEM part numbers 5B10K87720 and 5B10L13960.
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System Integration: Fully recognized by the BIOS for accurate health reporting and precise "time remaining" estimations.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Charger Cable Strength and Durability
The bridge between the internal cells and the system is managed by a high-quality connector:
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Reinforced Internal Ribbon: The main battery-to-motherboard cable is designed to withstand the heat cycles and physical constraints of the 15-inch chassis.
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Precision Header: Features a high-quality header that ensures a vibration-proof, secure connection to the motherboard's power port.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Battery Energy Management and Heat Control
The Lenovo 39Wh Original Battery utilizes advanced management to maximize longevity:
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Cycle Longevity: Engineered to maintain high capacity over 300–500 recharge cycles, ideal for standard daily home and office use.
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Low Thermal Resistance: High-quality polymer cells generate minimal heat during discharge, protecting the laptop’s internal components from thermal stress.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Ideal Use Cases
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Daily Productivity: Perfect for students and professionals who need consistent battery life for assignments and office applications.
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Media Streaming: Provides the necessary stamina for long-duration video playback and web browsing.
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Direct Upgrade: An excellent choice to replace a 30Wh unit for users seeking improved runtime without changing laptops.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Pros and Cons Table
| Pros | Cons |
| Genuine Lenovo spare part quality | Internal installation required |
| Direct 39Wh upgrade for 30Wh models | Not compatible with 310-14 inch models |
| Slim, perfect-fit internal design | |
| Safety and Thermal Certified |
Lenovo 5B10K87720 5B10L13960 39Wh Battery – FAQs
Q: Can I use this 39Wh battery if my laptop originally came with a 30Wh one?
A: Yes. Both batteries share the same physical dimensions and connector. This 39Wh version is a direct upgrade for any IdeaPad 310-15" model.
Q: Does this fit the Touch screen version?
A: Yes, it is fully compatible with both the standard and Touch versions of the IdeaPad 310-15ABR and 310-15ISK.
Q: How do I install this battery?
A: Installation requires removing the bottom cover of the laptop using a Philips screwdriver. You must carefully disconnect the internal battery header from the motherboard before unscrewing the old unit.
Lenovo 5B10K87720 5B10L13960 39Wh Battery – Conclusion
The Lenovo 5B10K87720 5B10L13960 39Wh Original Battery at KSh 8,038 is a reliable and practical replacement that restores—and in many cases improves—your laptop's original mobility. By choosing a genuine OEM-spec replacement, you ensure safety, accurate power reporting, and full compatibility with your system's hardware.
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”
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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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