2S Lithium Battery Charger Adapter 8.4V 2A 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
| Parameters | Details |
| 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 | 90 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
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