Lenovo ThinkBook 15 IIL 20SM009SUS battery 45wh Rapid Charger
Sale price ksh 8,758
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Battery Type: Li-ion
Voltage: 15.36V
Capacity: 45WH
Color: Black
Condition: Brand New
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The Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Original Battery with Rapid Charge is a high-quality internal lithium-polymer battery designed for Lenovo’s business-class ThinkBook series. It delivers stable and efficient power for everyday productivity tasks such as office work, browsing, video conferencing, programming, and multitasking while maintaining portability and reliability.
At KSh 8,278, this OEM-grade replacement battery restores original performance for laptops experiencing fast battery drain, charging instability, overheating alerts, or reduced backup time. It also supports Lenovo Rapid Charge technology, allowing faster recharging when used with compatible Lenovo adapters.
According to Lenovo specifications for the ThinkBook 15 IIL series, the system uses a 45Wh internal Li-Polymer battery with Rapid Charge support, capable of charging up to about 80% in around 1 hour with a suitable charger.
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
|---|---|---|---|
| Original Internal Battery with Rapid Charge | ThinkBook 15 IIL (20SM Series) | 45Wh | KSh 8,278 |
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Key Specifications
| Feature | Specification Details |
|---|---|
| Compatible Model | Lenovo ThinkBook 15 IIL 20SM009SUS |
| Battery Capacity | 45Wh |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Installation Type | Internal Built-in Battery |
| Voltage | ~11.4V |
| Cell Configuration | 3-Cell Internal |
| Charging Feature | Lenovo Rapid Charge Support |
| Compatibility | ThinkBook 15 IIL Series |
| Battery Condition | Genuine OEM Replacement |
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Performance & Charging
Reliable Daily Performance:
Designed for office productivity, online classes, browsing, and multitasking with stable power delivery.
Rapid Charge Technology:
Supports fast charging, reaching high charge levels quickly when paired with compatible Lenovo chargers.
Efficient Power Management:
Works with Lenovo Vantage for battery health optimization and charging control.
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Safety Features
Built-in Protection System:
Protects against overcharging, overheating, short circuits, and voltage fluctuations.
Precise Fit Design:
Engineered specifically for the ThinkBook 15 IIL chassis for secure installation.
Firmware Compatibility:
Fully recognized by Lenovo BIOS and Windows battery monitoring systems for accurate reporting.
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Compatibility
| Compatible Devices | Notes |
|---|---|
| ThinkBook 15 IIL (20SM Series) | Main supported model |
| ThinkBook 15 IIL Variants | Shared battery platform |
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Pros and Cons Table
| Pros | Cons |
|---|---|
| Genuine OEM-quality replacement | Internal installation requires opening laptop |
| Supports Rapid Charge technology | Requires precision tools |
| Stable performance for daily use | Moderate capacity (not for heavy gaming/workstation loads) |
| Fully compatible with Lenovo firmware |
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery FAQs
Q: How long does the battery last?
A: Typically several hours depending on usage such as browsing, office work, and video calls. Lenovo rates up to around 9 hours under light use conditions for the 45Wh version.
Q: Can I replace it myself?
A: Yes, but it requires opening the bottom cover. Always power off the laptop before installation.
Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Battery Conclusion
The Lenovo ThinkBook 15 IIL (20SM009SUS) 45Wh Original Battery with Rapid Charge at KSh 8,278 is a reliable OEM replacement designed to restore original battery life, fast charging capability, and stable performance for Lenovo ThinkBook users. It ensures consistent productivity, safe operation, and full compatibility with Lenovo power systems.
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