QL4382000 43.8V 2A Charger for 36V Lead-Acid Battery
• Designed for 3S 36V SLA, AGM, GEL, VRLA, and WET lead-acid batteries
• Smart 4-stage charging: Pre-charge, CC, CV, auto cut-off
• Output: 43.8V 2A, efficiency ≥86%
• Built-in protections: OVP, OCP, short-circuit, reverse polarity
• Dual-color LED indicator for charging status
• CE, UL, FCC, TUV, PSE, CCC certified
• Compact and efficient design for mobility devices
• 3-year warranty & door-to-door delivery
Description
QILIPOWER® QL4382000 43.8V 2A Lead-Acid Battery Charger for 3S 36V SLA AGM GEL VRLA WET Batteries – CE UL FCC Certified
QILIPOWER® 43.8V 2A charger is designed for 3S 36V lead-acid battery systems such as SLA, AGM, GEL, and VRLA. It features intelligent 4-stage charging with built-in safety protections, making it a reliable choice for electric scooters, Razor boards, and other mobility devices. Certified by CE, UL, and FCC, this compact charger ensures safe and efficient performance.
⚙️ Technical Specifications
43.8V 2A Lead-acid Battery Charger Specification
| Item | Specification | Remark |
|---|---|---|
| Brand | QILIPOWER® | |
| Model | QL4382000 | |
| AC Input | 100~240V | |
| Input Voltage Range | 90~264 Vac | |
| Input Current | 1.0 A/RMS | Input: 100V, Output: Full load |
| Max Input Power | 100W | Input: 100V, Output: Full load |
| DC Output | 43.8V 2A | |
| Output Voltage Range | DC 36V ~ 43.8V | |
| Charging Current | 2A ±10% | |
| Charging Voltage | DC 43.8V ±0.2V | |
| Pre-charge Current | 0.2A ±10% | Voltage ≤32.4V |
| Charge-end Current | ≤0.4A ±10% | |
| Charging Stages | Pre-charge, CC, CV, Auto Cut-off | |
| Charger Indicator | Double-color LED | |
| LED Status – Power | Red | Power On |
| LED Status – Charging | Flashing one by one | Charging |
| All on / Green | Finished | |
| All off | No Battery | |
| All flashing | Error | |
| Ripple Voltage | ≤400mV | Full load |
| Efficiency | ≥86% | Full load @220V |
| Protections | OVP, OCP, Shorted, Reversed | |
| Battery Type Supported | 3S 36V Lead-acid Battery | SLA / AGM / GEL / VRLA / WET |
| Timer | – | |
| Cooling Method | Natural | |
| Operate Temperature | -10 ~ +40℃ | |
| Operate Humidity | < +90% | Relative Humidity |
| Storage Temperature | -40 ~ +70℃ | |
| Storage Humidity | 0 ~ +95% | Relative Humidity |
| Vibration Resistance | 5MM / 50HZ/600S | Non-operating |
| Impact Resistance | 1 meter drop test x3 | Non-operating |
| Size | 133×58×31mm | Casing only |
| Net Weight | 350g | |
| Connector | Refer to order | |
| Safety Approvals | CE, UL, TUV, FCC, PSE, CCC | |
| Max Casing Temperature Rise | < 40℃ | |
| MTBF | 30000 H | |
| ESD | 8.0 KV | |
| Hi-Pot Insulation | Input to Output: 3000V (1 min) |
• Adaptor for: 3-Prong Two Wheel Balance Scooter Charger, Razor, etc., 3S 36V Lead-Acid Battery, SLA battery, Sealed Lead Acid battery, and Pb-acid/AGM/GEL/VRLA/WET battery
• Customized Charger: Acceptable






