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Item #:
82559151
18650 Battery Charger,21700 Battery Charger for 3.7V Li-ion Rechargeable Battery 18650 26650 21700 18500 18350 14500, Ni-MH Ni-Cd AA AAA Batteries
Item #:
82559151
NZD 36
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 Wednesday, August 26
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Charge multiple lithium-ion batteries simultaneously with our advanced universal 18650 battery charger!
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What Stands Out
Multi-Battery Compatibility
This charger supports various Li-ion batteries including 18650, 21700, and more, ensuring versatility for users with different devices and maximizing charging convenience.
Dual-Bay Design
With two charging bays, this device enables concurrent charging of two batteries, saving time and improving efficiency for users who frequently require power.
Reliable Safety Features
Equipped with advanced safety mechanisms against overcharging and overheating, this charger ensures long-lasting battery health, providing peace of mind during use.
Product Details
| Output Voltage | 3.7 Volts |
| Input Voltage | 4.2 Volts |
| Item Dimensions D x W x H | 0.11"D x 0.09"W x 0.36"H (0.3 x 0.2 x 0.9 cm) |
| Item Weight | 0.09 Kilograms |
| Color | Black |
| Brand | BWIETE |
| Mfr Part Number | K1 |
| Manufacturer | Bangde Technology |
| Model Number | K1 |
| Product Dimensions (L x W x H) | 0.11"D x 0.09"W x 0.36"H (0.3 x 0.2 x 0.9 cm) |
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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Frequent Users
Ideal for individuals who regularly use battery-powered devices and need reliable charging solutions for multiple battery types.
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Hobbyists
Perfect for enthusiasts like photographers or drone operators who rely on various Li-ion batteries for their gadgets.
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Emergency Preparedness
Useful for those who want to charge spare batteries for flashlights, emergency kits, or backup power supplies.
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Non-Rechargeable Users
Not suitable for users who primarily use non-rechargeable batteries as this charger only supports rechargeable Li-ion types.
Product Description
18650 Battery Charger,21700 Battery Charger for 3.7V Li-ion Rechargeable Battery 18650 26650 21700 18500 18350 14500, Ni-MH Ni-Cd AA AAA Batteries
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What types of batteries are compatible with the 18650 and 21700 Battery Charger?
Answer: The 18650 and 21700 Battery Charger is specifically designed for a variety of lithium-ion batteries, including 18650, 26650, 21700, 20700, 18490, 17670, 17500, 16340, 14500, 18500, and 18350 models. This versatility makes it an essential tool for users of different battery types, whether for vaping devices, flashlights, or hobby electronics. With its intelligent charging capabilities, it ensures batteries are charged safely and efficiently. -
Question:
How long does it take to charge batteries with the 18650 and 21700 Charger?
Answer: Charging times can vary based on the battery capacity and the charger's output. Typically, it takes about 2 to 4 hours to fully charge a lithium-ion battery using the 18650 and 21700 Battery Charger. For instance, charging a standard 18650 battery might take approximately 3 hours, while a larger 26650 could take closer to 4 hours. Always refer to the manufacturer's specifications for precise charging times. -
Question:
Is the charger safe for overnight charging?
Answer: Yes, the 18650 and 21700 Battery Charger is equipped with safety features such as overcharge protection, short circuit prevention, and temperature control. These features ensure safe overnight charging without the risk of overheating or battery damage. However, it's always wise to monitor the charging process if you're charging overnight, especially if it's your first time using the charger. -
Question:
Can I charge multiple batteries simultaneously with this charger?
Answer: Absolutely! The 18650 and 21700 Battery Charger typically comes with multiple slots that allow you to charge two or more batteries at once. For example, you can charge an 18650 and a 21700 at the same time. This feature is particularly useful for users who need to recharge multiple devices, ensuring you're always prepared with fully charged batteries. -
Question:
What features make this charger better than others available in the market?
Answer: The 18650 and 21700 Battery Charger stands out due to its fast charging capabilities, versatile compatibility with various battery sizes, and built-in safety features. Many competitors lack the same multi-battery support and efficient charging technology, making this model a smarter choice for those who rely on multiple lithium-ion batteries. Its user-friendly design and LED indicators also simplify the charging process. -
Question:
Does this charger come with a warranty?
Answer: Yes, the 18650 and 21700 Battery Charger typically comes with a manufacturer warranty that ensures the product is free from defects in material and workmanship. Check the specific warranty details as they may vary by manufacturer but usually range from 6 months to a year. A warranty provides peace of mind, ensuring that your investment is protected. -
Question:
Can I use this charger in different countries?
Answer: Yes, the 18650 and 21700 Battery Charger is designed to work with a wide range of voltage inputs, typically from 100V to 240V, making it suitable for international use. However, you may need a plug adapter to fit outlets in different countries. This feature is perfect for travelers or those who purchase batteries from abroad, ensuring you can charge anytime and anywhere. -
Question:
What indicators does the charger provide during the charging process?
Answer: The 18650 and 21700 Battery Charger usually includes LED indicators that display the charging status of each battery. Common indicators include 'charging' (typically light on), 'fully charged' (light off or green), and 'error' (flashing light). These visual cues help users easily monitor the charging progress and make informed decisions without opening the device. -
Question:
How to properly maintain my 18650 and 21700 Battery Charger?
Answer: To maintain your charger, regularly inspect it for dust or debris that might affect its performance. Always ensure the charging contacts are clean and free of corrosion. Avoid exposing the charger to extreme temperatures and humidity to prolong its life. Proper storage and gentle handling will also help maintain its functionality, ensuring it's always ready for use. -
Question:
Where can I buy the 18650 Battery Charger, 21700 Battery Charger in Cook Islands?
Answer: You can conveniently purchase the 18650 and 21700 Battery Charger through Ubuy. Ubuy provides a user-friendly shopping experience, along with a wide range of similar products, making it easy for you to find the right charger for your needs. Additionally, Ubuy often has shipping options tailored for customers in Cook Islands, ensuring a smooth delivery experience.
BWIETE Battery Chargers K1 Editorial Review
The 18650 Battery Charger is being praised as one of the best on the market, especially for its ability to handle a variety of odd size rechargeable batteries like 26650, 21700, and more. Customers appreciate its lightweight design and compatibility with different battery types that may not fit into standard chargers for AA and AAA batteries. Overall, this charger is highly recommended for its performance and versatility. **
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Pros
- Can handle odd size rechargeable batteries
- Lightweight design
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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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NZD 36
Order now and get it around Wednesday, August 26
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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Features & Benefits
- Compatible with a wide range of 18650 and other Li-ion batteries.
- Features two independent charging channels for simultaneous charging.
- Automatically selects the best charge current for optimal performance.
- Can charge four 18650 batteries or two 26650 batteries at once.
- Designed for efficiency and user satisfaction with 24H customer support.
- Ensure all your lithium-ion batteries are charged quickly and safely!
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