25.5V 2A LiFePO₄ Battery Charger for 7S 22V LFP Packs

Compact 25.5V 2A LiFePO₄ charger designed for 7S 22V LFP batteries. Provides safe, reliable, and efficient charging with intelligent control and multiple protections, ideal for hobby, industrial, and energy storage applications.

Features
Designed for 7S 22V LiFePO₄ (LFP) battery packs

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

Charging current 2A for standard-capacity battery packs

LED indicators for charging and full-charge status

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

Compact and durable design 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 e-bikes, drones, RC toys, electric vehicles, solar energy storage, and UPS systems

Description

25.5V 2A LiFePO4 Battery Charger Specification

 

Brand: Fangxin®

Model: FX2552000LFP

AC Input: 100~240V

DC Output: 25.5V 2A

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: 113*44*30mm

Net Weight: 300g

Adaptor for: 7S 22V LiFePO4 Battery

Customized Charger: Acceptable

 

          FX2552000LFP 25.5V 2A LiFePO₄ Battery Charger for 7S 22V LFP Packs

Item Specification Remark
1.Input
Rating input voltage 100~240 Vac, 50/60 Hz  
Input voltage range 50~264 Vac  
Rating input current 1.0 A/RMS Input:100V  Output: Full load
Max input power 58.6W Input:100V  Output: Full load
2.Output
No load output voltage DC 25.5V  
Output voltage range DC22V ~ 25.5V  
Charging current 2A ±10%  
Charging voltage DC 25.5V±0.2 V  
Pre-charge 0.2A ± 0.10A Voltage≤14V

(battery discharge voltage)

Charge-end current ≤0.4A±10%  
Suit with battery type 7S 22V LiFePO4 Battery  
Timer  
Max output power 50.4W  
Ripple voltage ≤260mV 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 ≥86% Full load @220V
3.Environment
Operate temperature -10 ~ +40℃  
Operate humidity < +50% Relative humidity
Storage temperature -40 ~ +70℃  
Storage humidity 0 ~ +55% 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 300g  
Size 113*44*30mm Casing only
Connector Refer to order  
     
5.Safety
Max. temperature rise < 40℃ on casing  
Safety approval CE/TUV/FCC/PSE/CCC  
MTBF 30000 H  
ESD 8.0 KV  
Hi-Pot Insulation i/p to o/p: 3000V (1 min)  

 

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