42V 8A Li-ion Battery Charger for 10S 37V Battery Pack

Efficient and robust 42V 8A charger designed for 10S 37V lithium-ion battery packs. Ideal for high-demand charging of e-bikes, scooters, LED lighting systems, and portable devices.

Features
• Designed for 10S 37V Li-ion battery packs
• Intelligent multi-stage charging: Pre-charge, Constant Current (CC), Constant Voltage (CV), Auto Cut-off
• Dual-color LED indicators for easy charge monitoring
• Built-in protections: Over-voltage (OVP), Over-current (OCP), Short-circuit (SCP), Reverse polarity
• Compact and efficient design with excellent heat dissipation
• CE, UL, FCC, RoHS certified
• OEM/ODM customization available
• 3-year warranty for guaranteed quality
• Adapt for e-bikes, scooters, LED lighting systems, RC models, portable electronics, and other battery-powered devices

Description

Brand: Phonix®

Model: FX4208000

AC Input: 100~240V

DC Output: 42V 8A

Charge Process: Pre-charge, CC, CV and Automatically Cut-off

Charger Indicator: With Double color LED for power capacity show

Output Protections: OVP, OCP, Shorted, Reversed

Safety Approval: CE, UL, TUV, FCC, PSE, CCC

Size: 233*108*64MM

Net Weight: 1900g

Adapt for: 10S 37V Li-ion Battery, Lipo battery, Lithium ion battery

Customized Charger: Acceptable

 

 FX4208000 42V 8A Li-ion Battery Charger for 10S 37V Lithium Battery Pack

Item Specification Remark
1.Input
Rating input voltage 100~240 Vac, 50/60 Hz
Input voltage range 90~264 Vac
Rating input current 1.0 A/RMS Input:100V    Output: Full load
Max input power 377W Input:100V    Output: Full load
2.Output
No load output voltage DC 44V
Output voltage range DC 36V ~ 42V
Charging current 8A ±10%
Charging voltage DC 42V ±0.2 V
Pre-charge 0.8A ± 0.8A Voltage≤30V
Charge-end current ≤0.8A±10%
Suit with battery type 10S Li-ion Battery
Timer
Max output power 336W
Ripple voltage ≤42mV Full load
Power LED Red Power on
Charging LED All off No battery
All on (or Green on) Finished
All flashing Error
Flashing one by one Charging
Shorted Yes
Reversed Yes
Efficiency ≥89% Full load @230V
3.Environment
Operate temperature -10 ~ +40℃
Operate humidity < +90% Relative humidity
Storage temperature -40 ~ +70℃
Storage humidity 0 ~ +95% Relative humidity
Cooling Natural
Vibration resistance 5MM / 50HZ/600S Non-operating condition
Impact resistance 1 meter drop test 3 times Non-operating condition
4.Mechanical
Net Weight 1900g
Size 233*108*64MM Casing only
Connector Refer to order
5.Safety
Max. temperature rise < 40℃ on casing
Safety approval CE/TUV/FCC/PSE/CCC
MTBF 50000 H
ESD 8.0 KV
Hi-Pot Insulation i/p to o/p: 3000V (1 min)

 

Industrial Applications & Technical Support

Customizable Enclosure & Thermal Solutions: To fully match your specific working environments and eliminate technical uncertainty, this 336W industrial charger supports Tailored System Configurations. Depending on your project requirements, it can be customized with either Natural Convection Cooling (Fanless Design) for silent, zero-maintenance dust-free operations, or an Intelligent Cooling Fan to optimize heat dissipation during continuous high-current loads. Wrapped in a heavy-duty aluminum chassis (233*108*64MM), it delivers a flexible, robust power backbone.

Application Versatility & Compliance: Our engineering team can fine-tune this power profile for high-demand, specialized sectors. This SKU is perfectly suited as a base platform for customization in:

  • Commercial Electric Mobility: Reliable power management and heavy-duty 8A delivery for logistics fleets, shared electric scooters, and commercial e-bikes.
  • Material Handling Equipment: Custom solutions for automated guided vehicles (AGVs) and warehouse robotics operating in harsh, dust-prone factory environments.
  • Your Specialized Applications: Facing a unique or unlisted application? We regularly modify enclosure types, connector styles, and internal protections based entirely on your target blueprints.

Battery Compatibility & OEM/ODM Engineering: This hardware is standardly calibrated for 10S 37V nominal lithium-ion battery packs. However, its exact charging profile, custom cut-off voltages, and intelligent protection parameters are completely customizable.

Note: If your system involves multi-pack configurations, specific CAN-bus/SMBus protocols, or unconfirmed hardware requirements, please consult our engineering department for a tailor-made OEM/ODM consultation before placing your bulk order.

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