Basic Information
Application
Standard Battery
Charger Style
Intelligent Charger
Input Voltage
100-240VAC 50/60Hz
Socket Type
Au/EU/UK/US Plug
Product Description
Quick Detail
- ● Model: QW544-055-FC
- ● Use: 17S 51V/54.4V LiFePO4 battery pack
- ● Output: 62.05V 5.5A (Max)
- ● Material: Aluminium alloy shell
- ● Protocol: CANBUS Communication
Technical Features
- ✔ Charging Mode: CC-CV (Constant Current-Constant Voltage)
- ✔ High Efficiency: Lower power consumption, Efficiency ≥90%
- ✔ Stability: Stabilized output and low noise performance
- ✔ Environmental: Operating temperature -20ºC ~ 45ºC
Safety Protections
🛡️ Over Voltage protection
🛡️ Short Circuit protection
🛡️ Polarity error protection
🛡️ Over power protection
🛡️ Overheating protection
LED Indicator Status
Waiting Mode: LED (GREEN) ON
Charging Mode: LED (BLUE) FLASH
Full Charged: LED (GREEN) ON
Charge Error: LED (RED) FLASH
Typical Product Models
| Model |
Battery Type |
Input Voltage |
Battery Voltage |
Charging Voltage |
Current (A) |
| QW128-200-FC | LiFePO4 | AC 100~264V | 12.8(4S) | 14.6 | 20 |
| QW256-120-FC | LiFePO4 | AC 100~264V | 25.6(8S) | 29.2 | 12 |
| QW512-060-FC | LiFePO4 | AC 100~264V | 51.2(16S) | 58.4 | 6 |
| QW629-050-LC | Lithium | AC 100~264V | 62.9(17S) | 71.4 | 5 |
| QW740-040-LC | Lithium | AC 100~264V | 74(20S) | 84 | 4 |
Product Display
Certifications & Dimensions
Frequently Asked Questions
1. What battery types is this charger compatible with?
This intelligent charger is specifically designed for 17S 51V/54.4V LiFePO4 battery packs, but we also offer models compatible with various Lithium battery specifications.
2. What safety protections are built into the device?
The charger includes comprehensive safety features: Over Voltage, Short Circuit, Polarity Error, Over Power, and Overheating protections to ensure safe operation.
3. How do I understand the LED indicator signals?
Green light indicates Waiting or Full Charged mode; a Flashing Blue light indicates active Charging; and a Flashing Red light signals a Charge Error.
4. What is the charging efficiency of this model?
The charger is highly efficient, maintaining an efficiency rate of ≥90% at 100% load, which ensures low power consumption and stabilized output.
5. Does the charger support international voltage standards?
Yes, it supports a wide input voltage range of 100-240VAC at 50/60Hz with PFC, making it suitable for use in most regions globally.
6. What is the charging mode used by the device?
It utilizes the CC-CV (Constant Current-Constant Voltage) charging mode, which is the standard and most effective method for rechargeable LiFePO4 batteries.
Hyper Charger
