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Item #:
190899152
AOLIKES 4000mAh 3.7v Battery Replacement for Keychron K2 / K4 / K4 Pro / K6 Pro / K8 / K8 Pro / K10 Wireless Mechanical Keyboard
Item #:
190899152
NAD 721
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Saturday, July 11
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Experience uninterrupted productivity with our 4000mAh 3.7V rechargeable battery, designed specifically for your Keychron mechanical keyboards!
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With 4000mAh, this battery ensures long-lasting performance for Keychron mechanical keyboards, reducing the need for frequent replacements and enhancing user experience.
Versatile Compatibility
Designed specifically for Keychron models K2, K4, K6, K8, and K10, providing a seamless replacement option that guarantees optimal fit and function.
Reliable Performance
Operating at 3.7V, it delivers dependable power output, ensuring consistent performance during prolonged use, which enhances productivity and gaming experiences.
Product Details
- 4000mah 3.7v rechargeable battery replacement for Keychron K2 / K4 / K4 Pro / K6 Pro / K8 / K8 Pro / K10 Wireless Mechanical Keyboard.
- Compatible with Keychron K2 / K4 / K4 Pro / K6 Pro / K8 / K8 Pro / K10 Wireless Mechanical Keyboard battery replacement.
- Compatible with Keychron K8 / K8 Pro Wireless Mechanical Keyboard battery replacement.
- Safety Features: The 3.7v rechargeable Lipo battery is built with high-quality materials and features built-in protection against overcharging and short circuits, this ensures the battery operates optimally and eliminate the risk of any potential hazards.
- If the customer applies this battery pack to other devices,Please compare it with the old battery to check the polarity of the battery before use. The Red wire is connected to the positive pole "+" of the power supply, and the Black wire is connected to the negative pole "-" of the power supply. If the wire sequence of the new battery pack plug is different from that of the original battery, please swap wire sequence for battery plug by yourself,
| Number of Batteries | 1 Nonstandard Battery batteries required. |
| Brand | AOLIKES |
| Model Number | K8 Max Battery |
| Model Name | K8 Pro battery replacement |
| Manufacturer | AOLIKES |
| Built-In Media | Keychron K6 Pro Keyboard 4000mAh Battery |
| Battery Capacity | 4000 Milliamp Hours |
| Reusability | Rechargeable |
| Compatible Phone Models | Keychron K2 / K4 / K4 Pro / K6 Pro / K8 / K8 Pro / K10 Wireless Mechanical Keyboard. |
| Unit Count | 1.0 Count |
| Battery Weight | 72 Grams |
| Antenna Location | Keychron K4 Pro Keyboard Battery, Keychron K6 Pro Keyboard Battery, Keychron K8 Pro Keyboard Battery, Keychron Keyboard Battery, Keychron k2 Battery |
| Battery Cell Type | Lithium Polymer |
| Battery Cell Composition | Lithium Polymer |
| Recommended Uses For Product | Keychron K4 Pro Keyboard Battery, Keychron K6 Pro Keyboard Battery, Keychron K8 Pro Keyboard Battery, Keychron Keyboard Battery, Keychron k2 Battery See more |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
Keychron K6 Pro Keyboard 4000mAh Battery
Who Should Buy?
-
Frequent Keychron Users
Users who regularly use Keychron keyboards will benefit from increased battery life with this replacement.
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Wireless Enthusiasts
Ideal for users who prefer the freedom of wireless keyboards; a reliable battery ensures uninterrupted use.
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Tech Savvy Individuals
DIY enthusiasts and tech-savvy users looking to upgrade their keyboard's battery capacity will find this product beneficial.
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Occasional Users
Users who only occasionally use their keyboards won't fully utilize the extended battery life of this replacement.
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Non-Technical Users
Individuals uncomfortable with DIY battery replacements may find it challenging to install this battery successfully.
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Budget Shoppers
Users seeking low-cost alternatives may consider this replacement too expensive compared to traditional batteries.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Which keyboards are compatible with this battery?
Answer: This battery is compatible with Keychron K2, K4, K4 Pro, K6 Pro, K8, K8 Pro, and K10 wireless mechanical keyboards. -
Question:
What safety features does this battery have?
Answer: The battery includes built-in protection against overcharging and short circuits to ensure optimal operation. -
Question:
How do I know if I can use this battery with my device?
Answer: Always compare the new battery's wire sequence with the old battery; the red wire should connect to the positive pole and the black wire to the negative pole.
Nutritionist's Take
As a nutritionist, I find that the aolikes 4000mah 3.7v battery replacement for various Keychron wireless mechanical keyboards does not fall within the scope of dietary nutrition products. Instead, it serves as an accessory aimed at enhancing the user experience of mechanical keyboards. While it does not possess any direct nutritional benefits or drawbacks, consumers should consider the environmental impact of using rechargeable batteries versus disposable ones. Proper battery management can contribute to sustainability efforts. However, one must be cautious about battery safety and potential toxicity if damaged. Overall, while this product may not relate directly to dietary needs, it supports a functional lifestyle through improved technology use, which can contribute to productivity and mental well-being.
AOLIKES 3.7V K8 Max Battery Editorial Review
No editorial reviews found
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NAD 721
Order now and get it around Saturday, July 11
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Features & Benefits
- High-capacity 4000mAh battery ensures long-lasting power.
- Compatible with multiple Keychron keyboard models: K2, K4, K4 Pro, K6 Pro, K8, K8 Pro, K10.
- Safety features include built-in protection against overcharging and short circuits.
- Easy replacement process for uninterrupted use.
- Nominal voltage of 3.7V and limited charge voltage of 4.2V.
- Powerful 14.8Wh energy capacity for extended keyboard life.
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