The Sweter SWT-3830 is a modern intelligent battery charger in red color with a charging current of up to 10 A. It is designed for the safe charging of 12-volt batteries with a capacity of up to 200 Ah.
Key Advantages
- Fully automatic 6–7-stage intelligent charging process
- Pulse repair mode (desulfation) for recovering deeply discharged and sulfated batteries
- Support for LiFePO4 lithium batteries with precise charging voltage of 14.6 V
- Digital LCD display: shows voltage, current, charge percentage, and current mode
- Multi-level protection against overcharging, short circuit, reverse polarity, overheating, and more
- Supports all popular battery types: WET, AGM, GEL, Calcium, MF, Deep Cycle, LiFePO4
- Compact size and lightweight (only ~0.6 kg)
- Wide input voltage range: 100–240 V
- Stylish red impact-resistant ABS plastic housing
Technical Specifications
- Model: Sweter SWT-3830
- Color: red
- Input: 100–240 V AC, 50/60 Hz
- Output voltage:
- Lead-acid / AGM / GEL: 14.4–14.8 V
- LiFePO4: 14.6 V
- Maintenance (float) mode: 13.2–13.8 V
- Maximum charging current: 10 A
- Power: 150 W
- Supported battery capacity: 10–200 Ah
- Battery types: WET, AGM, GEL, Calcium, MF, Deep Cycle, LiFePO4
- Display: LCD (voltage, current, % charge, mode)
- Protections: 8–9 levels
- Terminals: heavy-duty alligator clamps
- Dimensions: 160 × 60 × 83 mm
- Weight: ≈ 0.6 kg
Why SWT-3830 is better than other chargers in this price range
- Supports LiFePO4 batteries with accurate 14.6 V charging voltage (most budget chargers do not support lithium batteries at all)
- Full desulfation + repair mode for lead-acid batteries
- Informative LCD display (not just simple LEDs)
- Simultaneous support for AGM, GEL, and LiFePO4
- High level of protection and smart automatic algorithm
- Excellent price-to-functionality ratio
Ideal for:
- Automotive, motorcycle, and boat lead-acid batteries
- Modern 12 V LiFePO4 lithium batteries
