Internal 24wh Lenovo K21 K21-80 battery
Sale price ksh 8,038
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Battery Type: Li-ion
Voltage:11.4V
Capacity: 24whr 3cell
Color: Black
Condition: Brand New
Warranty: Full 12 Months Warranty and 30 Days Money Back
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24 Hrs Delivery All Over Kenya
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The Lenovo K21-80 Original Internal Battery is a high-quality 3-cell lithium-polymer power unit specifically designed for the compact Lenovo K21 ultraportable series. As an internal component, this battery provides the primary power source for the K21-80's slim chassis, ensuring business-grade reliability and consistent voltage delivery. The Lenovo K21-80 24Wh Internal Battery Price in Kenya is KSh 8,038.
Operating at 11.4V with a capacity of 24Wh (2060mAh), this battery is the direct replacement for part numbers 00HW034, 00HW035, 00HW033, and 5B10G10726. At KSh 8,038, this genuine-spec unit is essential for restoring portable runtime and resolving common power issues such as the laptop failing to turn on without a charger or the battery percentage being stuck at 0%.
Who Should Buy This Battery?
This battery is the ideal choice for Lenovo K21 and K21-80 users in Kenya who need to replace a swollen or degraded internal cell. For KSh 8,038, you receive a safety-certified battery that fits the precise internal dimensions of the K21-80 frame, maintaining the device's lightweight profile while providing 3 to 5 hours of mobile productivity.
Lenovo K21-80 Series Internal Battery Price Table
| Component Name | Model Compatibility | Capacity | Price in Kenya |
| Original 3-Cell Internal | Lenovo K21 / K21-80 | 24Wh / 2060mAh | KSh 8,038 |
Lenovo K21-80 Series Internal Battery Key Specifications Table
| Feature | Specification Details |
| Model Number | 00HW034 / 00HW035 |
| Compatible Part Nos | 00HW033, 5B10G10726, 5B10G09007 |
| Capacity | 24Wh (2060mAh) |
| Voltage | 11.4V |
| Battery Type | Lithium-Polymer (Li-Po) |
| Cell Count | 3-Cell |
| Cycle Life | 300–500 Charge Cycles |
| Compatibility | Lenovo K21, K21-80, K21-80-ISE |
Lenovo K21-80 Series Internal Battery Performance and Safety
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Precision Engineering: Manufactured to meet strict OEM standards, ensuring the battery connector aligns perfectly with the K21-80 motherboard.
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Overcharge Protection: Integrated circuit protection prevents the battery from overcharging, overheating, or short-circuiting, preserving both the battery and laptop hardware.
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High-Density Cells: Utilizes Grade A+ cells to provide maximum energy density in a small 3-cell form factor, crucial for the K21's 12.5-inch design.
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Firmware Compatibility: Fully recognized by Lenovo system firmware for accurate reporting of battery health and remaining runtime in the Windows taskbar.
Lenovo K21-80 Series Compatibility List
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K-Series: Lenovo K21, Lenovo K21-80.
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Specific Sub-models: K21-80-ISE, K21-80-IFI.
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Note: The K21-80 uses a modern internal Li-Po battery. It is not interchangeable with older external ThinkPad batteries. Always verify your part number (00HW034 or 00HW035) before purchase.
Lenovo K21-80 Series Internal Battery Pros and Cons Table
| Pros | Cons |
| Guaranteed fit for K21-80 chassis for KSh 8,038 | Lower total capacity (24Wh) than larger workstations |
| Restores factory-standard 4-hour mobile life | Requires opening the bottom panel to install |
| Ultra-slim design maintains laptop portability | Integrated cable connector is fragile during installation |
Lenovo K21-80 Series Internal Battery Frequently Asked Questions (FAQs)
How can I tell if my K21-80 internal battery is failing?
Common signs include the laptop shutting down immediately when unplugged, a "Service Battery" warning in Windows, or the bottom casing of the laptop appearing slightly bulged (a sign of a swollen battery).
Is 11.4V the only compatible voltage?
Yes, the K21-80 system is calibrated for an 11.4V input. Using a battery with significantly different voltage ratings can damage the motherboard charging circuits.
How do I safely install this battery?
You must remove the screws from the bottom base cover to access the internal battery. Warning: Always enter the BIOS and look for a "Disable Built-in Battery" option before opening the device to prevent electrical shorts.
Lenovo K21-80 Series Internal Battery Conclusion
The Lenovo K21-80 24Wh Internal Battery at KSh 8,038 is the definitive replacement for maintaining the mobile functionality of your ultraportable laptop. Its reliable 11.4V output and precision fit ensure your K21 remains a dependable tool for work on the move.
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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