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- 2 Pack 3000mAh 4V USB Battery Lithium Replace...
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Item #:
246383897
2 Pack 3000mAh 4V USB Battery Lithium Replacement
90% of respondents would recommend this to a friend
Item #:
246383897
ZMW 766
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Thursday, October 08
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Upgrade your MK devices with our high-capacity 3000mAh batteries, delivering 20% more run-time and unparalleled safety.
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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
Featuring 3000mAh capacity, this battery ensures long-lasting power for your devices, reducing the frequency of recharges and enhancing overall efficiency in performance.
USB Charging
The convenient USB charging capability allows for easy recharging through various devices, making it accessible and user-friendly for all tech-savvy individuals.
Dual Pack Value
Offering two batteries in one pack, users enjoy amplified value and convenience, ensuring they always have a reliable backup for their devices.
Product Details
| Brand | Bayhon |
| Model Number | 4V-USB |
| Manufacturer | Dongguan Jianshun Technology Co.,Ltd. |
| Battery Capacity | 3000 milliamp_hours |
| Reusability | Rechargeable |
| Unit Count | 2 Count |
| Antenna Location | Power Tool |
| Recommended Uses For Product | Power Tool |
| Item Weight | 1 lbs (450 grams) |
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.
Who Should Buy?
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Portable Device Users
Ideal for users needing reliable power for USB rechargeable devices like cameras, flashlights, and wireless speakers.
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Emergency Backup
Great for individuals seeking a dependable power source for emergency supplies such as flashlights and portable chargers.
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DIY Enthusiasts
Beneficial for hobbyists building DIY electronics or replacing batteries in custom projects requiring 4V lithium power.
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High-Power Appliances
Not suitable for users needing to power heavy-duty appliances or devices requiring higher voltage or more capacity.
Product Description
2 Pack 3000mAh 4V USB Battery Lithium Replacement
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Are these batteries compatible with all MK 4V devices?
Answer: Yes, they are compatible with specified MK 4V devices including certain headlamps and flashlights. -
Question:
What safety features do these batteries have?
Answer: These batteries include multiple protection systems to prevent over-charging, over-discharging, over-current, and over-heating. -
Question:
How does the run-time compare to standard batteries?
Answer: These batteries provide 20% more run-time compared to standard batteries, enhancing your device's performance.
Bayhon Battery Packs 4V-USB Editorial Review
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Customer Reviews & Ratings
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9 September 2026 · via Trustpilot
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Important information
- 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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ZMW 766
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- 4 Volt Li-ion batteries with 3000 mAh capacity.
- Compatible with MK 4V headlamps and flashlights.
- Safe with FCC CE RoHs Certification and smart protection features.
- 20% more run-time than standard batteries.
- No memory effect; can be charged/discharged without loss of capacity.
- 3X faster charging time for enhanced efficiency.
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.