Lithium Battery Charger 2S - 8.4V - 2A Adapter 5.5X2.1mm

The 2S Lithium Battery Charger Adapter 8.4V 2A 5.5X2.1mm is a reliable and efficient charger designed for 2-cell lithium-ion batteries, providing a constant 8.4VDC output at 2A. It features built-in safety protections against overcharge, overcurrent, short circuits, and overheating, supports universal AC input (100-240V), and includes an LED indicator for charging status. Made from durable, fire-resistant ABS, it ensures safe use and a long lifespan, with a positive center polarity and a convenient 90 cm cable length, making it ideal for a variety of electronic devices requiring stable 2S battery charging. This charger does not balance batteries and requires packs with integrated protection.

Features

• Suitable for charging 2S lithium-ion batteries (two cells in series) with an output voltage of 8.4V.
• Provides a constant charging current of 2 amps for efficient, fast charging.
• Built-in safety protections against overcharging, overcurrent, short circuits, and overheating.
• Supports universal AC input voltage range from 100V to 240V for global compatibility.
• Made from durable, fire-resistant, and environmentally friendly ABS material.
• Equipped with LED indicators to show charging status: red during charging, green when fully charged or no load.
• Features a positive center and negative outer polarity with a 5.5 x 2.1mm plug size.
• Includes a 90cm cable for convenient connection to devices.
• Designed for safe, interference-free operation, ideal for headlights, toy cars, and balance cars.
• Compact size for easy portability and integration.
• Does not provide battery balancing; suitable for battery packs with built-in protection circuits.

Specifications

Material : ABS

Color : Black

Plug Type : EU Plug

Input Voltage : AC 100–240V, 50/60Hz

Output Voltage : 8.4VDC

Output Current : 2A

LED Indicator : Two-color LED: Red (Charging), Green (Fully Charged or No Load)

Output Jack Size : 5.5mm X 2.1mm

Connector Polarity : Inside Positive (+), Outside Negative (–)

Charging Indicator : Two-color LED: Red (Charging) / Green (Fully Charged or No Load)

Adapter Size : 85mm × 50mm × 30mm

Cable Length : 75 cm

Protection Features : Over-Voltage, Over-Current, Short-Circuit Protection

Applications

• Charging 2-cell lithium-ion battery packs used in DIY power banks and portable chargers.
• Powering remote control toys and RC vehicles.
• Charging batteries for handheld electronic devices and gadgets.
• Use in robotics for efficient, safe battery charging.
• Powering headlights and small portable lighting devices.
• Use in balance cars and electric scooters requiring 7.4V battery packs.
• Suitable for custom electronic projects with 2S lithium-ion battery configurations.

Package Contents

• 1 x 2S Lithium Battery Charger Adapter 8.4V 2A 5.5X2.1mm