- Home Page /
- Electronics /
- Household Batteries, Chargers & Accessories /
- Battery Chargers /
- Lithium Battery Charger, 21V 2A AC Overvoltage Lithium ...
0 ratings
Item #:
117363025
Lithium Battery Charger, 21V 2A AC Overvoltage Lithium Battery Charger US Plug Replacement
Item #:
117363025
LKR 5221
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, August 15
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
PC engineering plastic shell features high fire retardancy and high temperature, ensuring reliable workmanship and a long service life.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Fast Charging
Delivers 2A charging current, significantly reducing charging time for your lithium batteries compared to standard chargers, ensuring you're always ready to go.
Safety Features
Equipped with overvoltage protection, this charger safeguards your batteries against damage, enhancing lifespan and reliability during charging.
Universal Compatibility
Designed for 21V lithium batteries, making it a versatile replacement charger for various devices, ensuring widespread usability in your household or workshop.
Product Details
| 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?
-
Frequent Users
Ideal for users who frequently need to charge lithium batteries for devices like electric tools and scooters.
-
DIY Enthusiasts
Perfect for hobbyists and DIYers who work with lithium battery-powered projects and require a reliable charger.
-
Backup Solutions
Beneficial for those seeking a backup charger for emergencies, ensuring devices remain powered during outages.
-
Non-Lithium Batteries
Not suitable for users needing to charge non-lithium battery types, such as nickel-cadmium or lead-acid batteries.
-
Low-Power Devices
Users with low-power devices may find this charger too powerful, potentially causing overheating or damage.
-
Travel Use
Travelers may find this product bulky; compact chargers are more convenient for portable use on trips.
Product Description
Lithium Battery Charger, 21V 2A AC Overvoltage Lithium Battery Charger US Plug Replacement
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices are compatible with the 21V 2A lithium battery charger?
Answer: The 21V 2A lithium battery charger is compatible with a range of devices that require 21V lithium batteries, including power tools, electric bikes, and various home appliances. Compatibility is crucial because using the wrong charger can damage your device. Always check the specifications of your device to confirm it requires a 21V lithium battery. For example, if you have an electric bike that uses a 21V lithium battery, this charger will safely provide the necessary power to keep it operating smoothly. -
Question:
How does the overvoltage protection feature work?
Answer: The overvoltage protection feature helps prevent charging beyond the battery's maximum voltage, which can lead to overheating or damage. This charger is designed to automatically cut off or reduce power if it detects a voltage that exceeds safe levels. It’s essential for maintaining the health and lifespan of your lithium batteries. For example, when charging a power tool battery, the overvoltage protection ensures that you don’t inadvertently harm the battery through excessive voltage, securing optimal performance. -
Question:
Is this charger suitable for outdoor use?
Answer: While the 21V 2A lithium battery charger is designed for versatility, it is advisable to use it indoors or in a sheltered area. Exposure to moisture or extreme temperatures can affect its performance and safety. For instances where you need to charge outdoor equipment, such as garden tools, place the charger under a cover or in a dry space to ensure it functions effectively and safely. -
Question:
What is the input voltage range for this charger?
Answer: This lithium battery charger typically accepts an input voltage range of 100-240V AC, making it suitable for use in various countries. This feature allows you to use it globally without worrying about the voltage discrepancies. Whether you're charging at home or abroad, you can rely on this charger for consistent performance. For instance, if you're traveling to another country, this charger would adapt to the local voltage, allowing you to keep your devices powered. -
Question:
Can I use this charger with non-lithium batteries?
Answer: No, this charger is specifically designed for lithium batteries and should not be used with non-lithium variants such as NiMH or lead-acid batteries. Using the charger with incompatible battery types can result in damage to both the charger and the batteries. To avoid potential hazards, always confirm the battery type before charging. For example, if you own a device that operates with lithium batteries, this charger will function correctly and safely. -
Question:
What safety measures should I take when using this charger?
Answer: When using the 21V 2A lithium battery charger, always follow basic safety protocols. Ensure adequate ventilation during charging to prevent overheating, never leave batteries unattended while charging, and avoid using damaged cables. These measures help maintain safe operation. For example, if you’re charging a battery overnight, ensure the charger is in a well-ventilated area to minimize any risk from heat build-up. -
Question:
Does the charger come with a power cord included?
Answer: Yes, the 21V 2A lithium battery charger comes with a power cord included in the package. This cord is essential for connecting the charger to a standard outlet. The inclusion of the power cord facilitates immediate use upon purchase, ensuring you can start charging your devices right away. For instance, if you’ve just bought a new electric bike, you can plug it in and charge the battery without needing to buy extra accessories. -
Question:
What is the charging time for a typical lithium battery with this charger?
Answer: The charging time can vary based on the battery's capacity, but typically, a standard lithium battery (around 3000mAh) may take approximately 3-5 hours to charge fully with the 21V 2A lithium battery charger. Understanding the charging duration helps plan your usage better. For instance, if you're working on a project that requires a power tool, charging the battery overnight ensures it’s fully powered and ready by morning. -
Question:
Can I charge multiple batteries at once with this charger?
Answer: No, this charger is designed to charge one battery at a time. Attempting to charge multiple batteries simultaneously could result in inefficient charging or potentially damage the batteries. For optimal results, charge each battery individually to ensure it receives the right amount of power without interruptions. For example, if you have two batteries for your tools, charge one while using the other, then rotate them as needed. -
Question:
Where can I buy the Lithium Battery Charger, 21V 2A AC Overvoltage Lithium Battery Charger?
Answer: You can purchase the Lithium Battery Charger, 21V 2A AC Overvoltage model from Ubuy in Sri Lanka. Ubuy offers a reliable platform for sourcing high-quality charging solutions, ensuring that you have access to essential accessories for your devices. The convenience of Ubuy allows you to find this specific charger alongside many other electronic items swiftly.
Vbestlife Battery Chargers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“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
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
LKR 5221
Order now and get it around Saturday, August 15
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Reliable PC engineering plastic shell.
- High fire retardancy ensures safety.
- Low noise operation promotes a quiet environment.
- Intelligent indicators prevent overcharging.
- Universal compatibility with 100-240V input.
- Convenient 21V 2A output for consistent power supply.
Ubuy Assurance
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.