Global Safety Certifications Listed 50.4V 3A 4A Charger For 12S Lithium Ion Battery Packs

Revolutionize 12S 44.4V Lithium Battery Performance with Precision Charging 50.4V.
Engineered for peak reliability, Henryuan 50.4V 3A 4A chargers deliver industry-leading efficiency for 12S Li-ion battery packs, advanced 50.4V 3A 4A Li-ion battery chargers leverage intelligent 3-stage charging technology to maximize battery health and longevity.

• Electric Skateboards (Esk8) & Micromobility: Functions as a high-efficiency 12S lithium Esk8 electric skateboard battery charger, sustaining heavy-duty rapid charging currents while safely protecting multi-cell Lipo/Li-ion boards.
  
• E-Bikes & Electric Scooters: Operates as a stable, cool-running 50.4V 3A 4A charger for 12S li-scooters, minimize charging time.
  
• Industrial Robotics & Solar Storage: Ideal for automation, serving as an intelligent 50.4V 3A 4A li-ion charger for industrial robotics and backup energy stations requiring an automatic trickle current maintenance phase.

Core Technology: Advanced 3-Stage Charging Protocol

• Constant Current (CC) Boost: Rapidly charges depleted batteries at 3A/4A.
  
• Constant Voltage (CV) Precision: Holds voltage at 50.4V ±0.2V accuracy to prevent overcharging.
  
• Automatic Trickle Mode: Switches to micro-current when batteries reach almost full, compensate for battery self-discharge.
  

This scientific approach – proven in electric skateboard applications – extends battery lifespan by 40% compared to conventional chargers.

Technical Parameters

Intelligent 50.4V 3A Charging Curve:

This 50.4V 3A charger utilizes an intelligent 3-stage charging curve for efficient and safe operation, fast and safe charging the 12s 44.4V battery packs.

Why Choose Henryuan High Quality 50.4V 3A 4A Charger?

Universal Compatibility: Perfectly matched with 12S configurations (44.4V-50.4V Li-ion packs).
Pro-Grade Safety: Multi-protection suite including OVP/OCP/SCP (certified by CE/SAA/PSE/GS/UKCA/CCC/UL/cUL/FCC/CE).
Low Energy Waste: <0.5W standby consumption and 87% conversion efficiency.
Rugged Design: PC fireproof V0 level housing withstands dust, moisture, and impacts.

User-Centric Innovations

LED Intelligence: Real-time status via dual-color indicators (red=charging, green=full).
Global Voltage: Supports 100-240V AC input for worldwide use.
Quick-Disconnect Plugs: Options for DC 5.5mm/XLR/Anderson/XT60 and customized connectors.

Warranty & Support

• Backed by a 3-year warranty + 24/7 technical support. Includes PE bag with strong white box.

About Henryuan Group:

With over 13 years of experience in the production and R&D of lithium ion battery chargers, Henryuan Group is a recognized leading manufacturer in the battery charger industry. Our 50.4V 3A 4A li-ion battery chargers are known worldwide for their superior performance and safety, making them a trusted choice across various regions including the Americas, Europe, the UK, Australia, and New Zealand.

Explore Our Range of 50.4V Lithium Ion Chargers:

• We offer a wide range of 50.4V chargers, including models 0.5A, 1A, 1.5A, 2A, 2.5A, 3A, 3.5A, 4A, 5A, 6A, 7A, 8A. Whether you need a standard or customized solution, our 12S chargers deliver reliable, efficient, and safe charging.

Contact Us:
For top quality 50.4V 3A 4A lithium ion battery chargers, contact Henryuan’s expert sales engineers today.

Customer 5-star Reviews:

Full Range of Custom 12S 50.4V Li-Ion Charging Solutions (0.5A - 10A)

Technical Q&A of Henryuan 12S Lithium Charger

Q: Why does a 12S Lithium-Ion pack require an explicit 50.4V charger instead of a generic 48V power supply?
A: Because a 12S pack requires exactly 50.4V (4.2V * 12) to reach a true 100% State of Charge (SoC). Generic 48V industrial power supplies lack the necessary max voltage to fully charge the pack, leaving it severely undercharged. Furthermore, standard power supplies lack CC-CV charging control, which may lead to cell damage.

Q: What exact charging stages does this 50.4V charger utilize?

A: It uses an automated 3-Stage Smart Charging:
Stage 1: Constant Current (CC): Delivers full rated 3A/4A current to efficiently recover up to 80% of capacity. Stage 2: Constant Voltage (CV): Locks at 50.4V while the current tapers down, allowing your internal BMS ample time to balance individual cell blocks. Stage 3: Trickle Current: Transitions to a safe micro-current to top off the last fraction of capacity and offset BMS parasitic loads, resting safely at standby once fully saturated.

Q: How does this charger handle thermal dissipation without an internal fan?

A: It utilizes silent, natural cooling within a fully sealed plastic enclosure. The internal PCB architecture is engineered for high efficiency to minimize waste heat. Heavy-duty aluminum heat sinks are mounted directly onto the internal power transistors and transformer, drawing heat away from critical components and dissipating it through the housing. This eliminates fan noise and protects the internal electronics from dust, moisture, and debris.

Q: Is this charger pre-certified for global export markets?

A: Yes. The 50.4V charger features a unified, cross-certified architecture carrying fully safety listings including UL/cUL (North America), CE, TUV/GS, UKCA (Europe/UK), SAA (Australia), CCC(China) and PSE (Japan). It operates on a universal wide-input range (90V to 264V AC, 50/60Hz), allowing OEMs to ship a single charger model globally. 

Q: What built-in hardware safeguards are integrated?

A: The charger deploys a 4-tier active hardware protection design :
Short-Circuit Protection (SCP): Clamps output to 0V within microseconds if the DC leads short, recovering automatically once cleared.
Over-Voltage Protection (OVP): Independent analog feedback loop ensures output never exceeds the 50.4V safety ceiling.
Over-Current Protection (OCP): Precise current control prevents current deviation from damaging the battery or increasing charging time.
Reverse Polarity Protection: Blocks current completely if the battery is connected backward, eliminating spark and arcing risks.
Q: Can the DC output cable and connector be customized?
A: Yes. Our dedicated wire-harness facilities can configure the output cable with Anderson Powerpoles/SB Series, 3-pin XLR, waterproof circular aviation plugs, or customized locking blocks based on your charging port specifications. Cable lengths, wire gauges, and jacket materials can also be adjusted for rugged industrial use.

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