Model S4820
S4820 LiFePO4 Charger | 48V 20A 1168W Power Solution
- Max 94% Efficiency
- Smart Fan Cooling
- Built-in Active PFC
Workhorse charger for 51.2V rack batteries and large power stations. Parallel-capable, PFC-corrected and quiet enough for indoor cabinets.
Global Certifications
- CE
- FCC
- UL
- UKCA
- SAA
Voltage & Current Output Matrix
| Nominal Voltage | Voltage Output Range | Current Output Range | Max Output Power |
|---|---|---|---|
| 48V Series | 48.0V - 58.4V | 0.1A - 20.0A | 1168.0W |
Other voltage and current set-points can be configured for your battery pack on request.
Specifications
- Universal AC Input
- 90VAC - 264VAC, 50/60Hz
- Eco-Friendly Active PFC
- PF > 0.9 @220VAC (High power factor, eco-compliant)
- Multi-Chemistry Support
- Fully compatible with: • LiFePO4 (Lithium Iron Phosphate)
- Operating Temperature
- -20°C to 40°C (-4°F to 104°F)
- Weight
- 3.8 kg (Rugged enclosure for on-board or wall-mount placement)
100% Tailored DC Output Terminals
XT60
Anderson
XLR 3-Pin
DC 5.5 Barrel
GX16 Aviation
- XT30
- Alligator Clips
- Ring Terminals
- Custom Wire Harness
Global Grid Compatibility: AC Input Plugs
Every unit ships with the regional AC cord your market requires, so the charger is retail-ready on arrival.
- US / Canada
- European Union
- United Kingdom
- Australia / NZ
- Japan
- Korea
- China
S4820 highlights
Smart Thermal Management
Temperature-controlled cooling keeps full output available under continuous load, and stays quiet whenever demand is light.
Communication Protocols on Request
CAN2.0, RS-485 and Single-Wire Communication can be configured for seamless telemetry with your smart BMS.
Embedded MCU Intelligence
Microcontroller-driven smart charging curves that automatically adjust voltage/current to maximize battery lifespan.
6-Layer Safety Protection
- Short-Circuit Protection
- Over-Voltage Protection
- Over-Current Protection
- Over-Temperature Protection
- Reverse-Polarity Protection
- DC Output Anti-Spark Tech
S4820 Q&A
Standard configurations start from small trial orders, so you can validate the market before scaling. Custom branding, plugs, and output settings usually start from a few hundred units. Tell us your target volume and we will quote the matching tier.
Yes. Output voltage and current, charging curve, DC connector, AC plug, cable length, and BMS communication (CAN / RS-485) can all be matched to your pack. Send us your battery specification and we will confirm feasibility within 12 hours.
Standard samples ship within 3-7 working days. Customized samples typically take 7-15 working days depending on the changes required.
The certification marks for this model are listed at the top of this page, and every unit passes 100% pre-shipment testing. We provide a standard warranty and full technical documentation for customs clearance and platform listings.
Request S4820 Pricing & Communication Protocols
Drop your project details below. Our technical sales engineers will provide comprehensive CAN/RS-485 documentation and volume tier-pricing within 12 hours.