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Smart 8.4V 1A Dual Charger For Li-Ion Batteries

Product No.：HRY0841000
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Smart 8.4V 1A Dual Charger for Li-ion Batteries | Fast & Safe 2-Channel Charging Adapter

Henryuan premium Li-ion battery 8.4V 1A dual charger! Designed for charging 7.4V batteries at the same time, this compact 8.4V 1A Charger features CC/CV tech, dual-charging efficiency & full safety certifications with 2 independent charging channels, 2 LED indicators(charging Red to fully charged green). DC output plugs: 5.5*2.1,5.5*2.5, 3.5*1.35.etc. Ideal for tools, cameras & drones.

Safety Certifications: CE, UKCA, PSE, UL, cUL, FCC, GS, EMC, LVD, SAA, CCC.

Professional Charging Performance

Engineered for Li-ion Battery 8.4V 1A Dual Charger efficiency, our charger delivers precision power to two 7.4V lithium-ion battery packs simultaneously. Utilizing Constant Current/Constant Voltage (CC/CV) technology , it ensures optimal charging without overloading cells. The intelligent system adjusts output from 1A to a gentle trickle current (0.2A) when batteries near full capacity, extending battery lifespan.
Constant Current (CC): Delivers 1A of power to quickly top up your battery.
Constant Voltage (CV): Maintains a precise 8.4V output to avoid overcharging (critical for 2S Li-ion batteries, which have a nominal voltage of 7.4V).
Trickle Charge: Reduces current to a safe level once the battery is fully charged, preventing damage from overheating or overvoltage.
LED indicators show charging status (red = charging, green = fully charged).

Output		Charging Stage	LED Indicator
Output
Current	Voltage
1A	5V-8.4V	Constant Current	Red(Charging)
1A->0.2A	8.4V	Constant Voltage	Red(Charging)
0.2A->0	8.4V	Trickle Current	Green(Full charge battery)

Robust Safety & Compatibility 

Safety is uncompromised with this 8.4V 1A Charger. It integrates short circuit, over-voltage, over-current and reverse polarity protection, certified by UL, cUL, SAA, PSE, UKCA, CE, FCC, and CCC standards. Compatible with 2S Li-ion battery packs (7.4V nominal voltage), it seamlessly powers drones, professional photography gear, medical devices, and handheld power tools requiring stable 8.4V input . The universal version design supports interchangeable plugs (US/EU/UK/AU/JP) for global use.

Optimized Charging Curve:

High Efficiency Charging: Our dual 8.4V 1A charger provides quick, safe, and energy-efficient charging, extending the lifespan of your 2S 7.4V li ion battery packs.

Technical Reliability

 Input versatility (AC 100–240V) makes our Li-ion Battery 8.4V 1A Dual Charger adaptable to any region. Output is stabilized at 8.4V(±0.2V) with 1A current. Unlike single-port alternatives, its isolated channels prevent cross-interference between batteries. The reinforced DC connector (5.5×2.1mm,5.5*2.5mm,3.5*1.35mm and customized) ensures durability even in industrial

Portable & Durable Design:

Dimensions: 71*47*31.5mm.
Weight: About 100kg
Premium Build Quality: Constructed with high quality materials, this dual 8.4V 1A charger is designed for 3 year warranty.

Packing:

1 × 8.4V 1 A adapter
PE bag
White Box

Why Choose This Dual 8.4V 1A Charger?
Trusted by professionals worldwide, this dual 8.4V 1A Adapter combines laboratory-grade engineering with everyday reliability. Each unit undergoes 4-hour burn-in testing—guaranteeing 3 years of service. Backed by a 36-month warranty and lifetime technical support, it’s the ultimate investment for safeguarding your Li-ion investments.

Technical Specifications Overview:

Parameter	Details
Input Voltage	AC 100-240V, 50/60Hz (universal compatibility)
Output	*Dual 8.4V 1A Li-Ion Charger(8.4V 1A2)**
Charging Mode	3-stage (CC/CV/Trickle)
Compatibility	2S Lithium Ion Batteries (7.4V nominal)
Protection Features	OVP, OCP, SCP, Reverse Voltage Protection
LED Indicators	Red (Charging), Green (Fully Charged)
Certifications	CB, UL, CE, cUL, FCC, PSE, SAA, UKCA, CCC, GS

Henryuan Group is a specialist in power electronics since 2012. With deep expertise in lithium ion battery charger technologies, Henryuan’s line of 2s charger solutions includes a full current range (0.5 A to 7A) to suit every battery application. Thanks to extensive certifications (PSE, SAA, cUL, GS, CE, UL, UKCA, CCC, RoHS), Henryuan is the go-to brand for safe, efficient charging systems worldwide. More Henryuan 8.4V Li-Ion Battery Chargers.

Contact Henryuan Group for the high quality dual 8.4V 1A charger, Henryuan, the professional high quality 8.4V 1A li-ion battery charger manufacturer with ODM and OEM service.

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