14.6V 20A  LiFePO4 Battery Charger for 4S 12.8V LFP Packs

Heavy-duty 14.6V 20A LiFePO4 charger designed for 4S 12.8V LFP batteries. Provides fast, reliable, and safe charging with intelligent control and multiple protections, ideal for high-capacity energy storage and mobility systems.

Features

  • Designed for 4S 12.8V LiFePO₄ (LFP) battery packs

  • Intelligent 3-stage charging: Constant Current (CC), Constant Voltage (CV), Float

  • High charging current (20A) for large-capacity battery packs

  • LED indicators for charging and full-charge status

  • Multiple protections: over-voltage, over-current, short-circuit, reverse polarity

  • Rugged design with efficient cooling for continuous operation

  • Global certifications: CE, UL, FCC, RoHS

  • Backed by 3-year warranty for long-term reliability

  • OEM/ODM customization for voltage, current, and connectors

  • Widely used in solar energy storage, backup power, mobility scooters, RVs, marine, and UPS systems

4S 14.6V 20A DATASHEET DOWNLOAD

Description

14.6V 20A LiFePO4 Battery Charger Specification

 

Brand: Phonix®

Model: FX146020000

AC Input: 100~240V

DC Output: 14.6V 20A

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: 1800g

Adaptor for: 4S 12.8V LiFePO₄ Battery

Customized Charger: Acceptable

 

         FX146020000 14.6V 20A  LiFePO4 Battery Charger for 4S 12.8V LFP Packs

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 247W Input:100V    Output: Full load
2.Output
No load output voltage DC 14.6V
Output voltage range DC12.8V ~ 14.6V
Charging current 20A ±10%
Charging voltage DC 14.6V±0.2 V
Pre-charge 2A ± 0.10A Voltage≤8V

(battery discharge voltage)

Charge-end current ≤2A±10%
Suit with battery type 4S 12.8V LiFePO₄ Battery
Timer
Max output power 219W
Ripple voltage ≤140mV 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 ≥93% Full load @220V
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 1800g
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)

 

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