Dc System | Battery Test Instrument
LQ-220/30CF Battery Charge/Discharge Tester
All-in-one battery maintenance system with wireless voltage monitoring and PTC ceramic load technology
Technical Parameters
| Working mode | can be used alone, can be used simultaneously, can be remote control and status monitoring | |||
| Applicable battery | 48V | 110V | 220V | 380V |
| Charging voltage | 40~60V | 95~150V | 190~300V | 350~450V |
| Charging current | 10~150A | 1~80A | 1~40A | 1~20A |
| Discharge voltage | 10~60V | 80~135V | 80~270V | 300~460V |
| Discharge current | 0~150A | 0~200A | 0~100A | 0~60A |
| Accuracy of current | 1% | |||
| Voltage accuracy | 0.5% | |||
| Monomer voltage accuracy | 0.2% | |||
| Monomer voltage | 0.500V~16.00V(resolution 1mv) | |||
| Charge discharge time | 0 ~ 99 hours and 59 minutes | |||
| Power supply | AC:220V/380V | |||
| Cooling way | forced air cooling | |||
| Handling way | industrial universal wheel | |||
Work Environment
| Heat dissipation | forced air cooling |
| Temperature | working range: -5 ~ 50℃ storage temperature: -40 ~ 70℃ |
| Humidity | relative to humidity0 ~ 90% (40±2℃) |
| Altitude | rated altitude: 4000 m |
| Noise | ﹤60dB |
Working Power Supply
| Voltage | single-phase three-wire system: 220V AC (- 20% ~ +30%), frequency :45 ~ 65Hz |
| Withstand voltage test | input - housing: 2200V DC 1min |
| input-output: 2200V DC 1min | |
| output - housing: 700V DC 1min | |
| Security | meet EN610950 |
Wiring
| AC input | Gb socket, suitable for 1 ~ 1.5mm2cable |
| DC output | instrument 25 mm2Cable quick connect plug (red positive black negative) |
5-in-1 Functionality
🔋 Capacity Verification - 0-220V/30A discharge testing
📶 Wireless Monitoring - 12 cells per wireless module
🛡️ Safe Loading - PTC ceramic resistors prevent overheating
💾 Data Rich - 2GB internal storage + USB export
🔄 Smart Charging - CC/CV modes with capacity calibration
Testing Workflow
Setup
Connect wireless modules (max 18 modules)
Set discharge parameters via 7" touchscreen
Smart Discharge
Constant current mode (1-30A)
Auto-stop at voltage/time/capacity limits
Data Analysis
View trends on tester or PC software
Generate DIN/BS EN battery reports
Safety Systems
🌡️ PTC Protection - Ceramic resistors self-regulate at 120°C
🔊 Multi-Alarm - Sound/light/UI warnings for:
Cell imbalance >±5%
Temperature >50°C
Battery Compatibility
| Battery Type | Test Configuration |
|---|---|
| Lead-Acid (2V/6V/12V) | Multi-string discharge up to 110 cells |
| Li-ion (48V/72V) | CC/CV charge profiling |
PC Software Capabilities
📉 Curve Analysis - Voltage sag vs. capacity
🔄 Remote Control - Start/stop tests from PC
📄 Report Templates - IEEE 1188/IEVA G108 compliant
Why Choose LQ-220/30CF?
| Feature | LQ-220/30CF | Conventional Testers |
|---|---|---|
| Cell Monitoring | Wireless (216 cells max) | Wired (typically 24 cells) |
| Load Safety | PTC ceramic | Traditional resistive (fire risk) |








