21V 2A Auto Cut Li-ion Battery Charger Adapter

Specifications

• 21V 2A Auto Cut Li-ion Battery Charger Adapter designed for 5S 18.5V-21V Lithium-ion battery packs.
• Model: 2120.
• Input Voltage: AC 100V – 240V, 50/60Hz universal mains power.
• Output Voltage: DC 21V constant voltage charging stage.
• Output Current: DC 2A constant current fast charging.
• Auto Cut-Off: Automatic charging power cutoff when fully charged.
• LED Indicator: Dual color LED indicator (Red light for charging, Green light for fully charged/standby).
• Connector Plug: Standard 5.5mm x 2.1mm / 2.5mm DC male barrel plug connector.
• Protection Features: Over-voltage protection, over-current protection, short-circuit protection, and reverse polarity protection.

Features

• The 21V 2A Auto Cut Li-ion Battery Charger Adapter features advanced smart charging technology engineered for 5S Lithium-ion battery packs, power tools, and high-capacity battery power systems.
• Equipped with an intelligent auto cut-off circuit, it stops charging immediately once full battery capacity is reached, preventing battery degradation, overheating, and overcharging.
• The durable ABS plastic housing combined with built-in short circuit and over-voltage protection guarantees long-lasting safety and reliability.
• Its bright dual LED status indicator clearly shows real-time charging stages.
• This adapter charger is ideal for 18V-21V cordless power tools, electric sprayers, custom DIY battery banks, and portable energy solutions.

What is the price of Buy 21V 2A Auto Cut Li-ion Battery Charger Adapter in Bangladesh in Bangladesh?

The latest price of Buy 21V 2A Auto Cut Li-ion Battery Charger Adapter in Bangladesh in Bangladesh is Price: ৳380.00 taka for 1Pack of this product. You can buy this product at a better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy 21V 2A Auto Cut Li-ion Battery Charger Adapter in Bangladesh in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get the original Buy 21V 2A Auto Cut Li-ion Battery Charger Adapter in Bangladesh From Dunia.com.bd . We have a few collections of latest Storage Battery Charger to purchase. Order Battery, Storage Battery & Charger Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ

1. What battery pack type is this charger for? 
   It is designed specifically for 5S 18.5V-21V Lithium-ion battery packs.
2. Does it have auto cut-off functionality? 
   Yes, it automatically stops charging when the battery is full.
3. How does the LED indicator work? 
   Red light indicates charging, while green light indicates fully charged.
4. What is the maximum output current? 
   It delivers a constant 2A fast output charging current.
5. What input voltage does it support? 
   It supports AC 100V to 240V, 50/60Hz input voltage.
6. What plug size comes with it? 
   It comes with a standard 5.5mm DC male barrel jack.
7. Can I charge 12V Li-ion batteries? 
   No, this 21V charger is only for 5S 21V packs.
8. Does it protect against short circuits? 
   Yes, it includes built-in short circuit protection circuits.
9. Is this suitable for cordless power tools? 
   Yes, it works great for 21V power tool batteries.
10. Does it get excessively hot while charging? 
    No, smart circuitry keeps heat emission minimal during charging.