
The HOTA S6 Ultra is a compact, high-performance dual-channel AC/DC smart charger featuring advanced GaN + SiC power technology. It combines strong AC charging performance, high-power DC operation and fast balancing in a compact package designed for RC batteries and other hobby charging applications.
With direct AC power, the S6 Ultra delivers up to 480W charging power. When powered from a suitable DC source, it can provide up to 325W per channel / 650W total, making it suitable for charging two high-capacity battery packs at the same time.
This is the new S6 Ultra GaN + SiC model.
GaN + SiC Power Technology
The S6 Ultra uses Gallium Nitride (GaN) and Silicon Carbide (SiC) power technology to improve power density and efficiency while reducing heat generation. The lower heat output also allows the internal cooling fan to operate at lower speed under lighter loads, helping reduce operating noise.
Dual-Channel Charging
- Two independent charging channels
- Up to 15A charge current per channel
- Up to 325W per channel on DC power
- Up to 650W total DC output
- Up to 480W charging power from AC input
- Combined charge current up to 22A
- Combined charging power up to 500W with suitable DC input above 24V
Fast Battery Balancing
With up to 1600mA balance current per channel, the S6 Ultra can balance lithium packs quickly and efficiently, helping reduce the time spent waiting for cells to equalize at the end of the charge cycle.
Battery Support
- LiHV / LiPo / LiFe / Li-ion / LiXX: 1-6S
- Smart Battery: 1-6S
- NiZn / NiCd / NiMH: 1-16 cells
- Eneloop: 1-16 cells
- Lead Acid (Pb): 2-24V
Charging & Discharging
- Charge Current: 0.1-15A x 2
- Internal Discharge: 15W x 2
- Balance Port Discharge: 10W x 2
- External Discharge: Up to 325W x 2 / 650W total
- Discharge Current: 0.1-3A x 2
USB Power Outputs
- USB-A: 5V / 2.1A x 2
- USB-C: Up to 45W
Specifications
| AC Input | 100-240V AC |
| DC Input | 6.5-30V DC |
| Charge Current | 0.1-15A x 2 |
| AC Charge Power | Up to 480W |
| DC Charge Power | 325W x 2 / 650W total |
| Combined Charging Power | Up to 500W with DC input above 24V |
| Combined Charge Current | 0.1-22A |
| Balance Current | 1600mA x 2 |
| Internal Discharge | 15W x 2 |
| External Discharge | 325W x 2 / 650W total |
| Lithium Batteries | 1-6S |
| NiMH / NiCd / NiZn | 1-16 cells |
| Lead Acid (Pb) | 2-24V |
| USB-A Output | 5V / 2.1A x 2 |
| USB-C Output | Up to 45W |
| Dimensions | 116 x 116 x 85mm |
| Weight | Approx. 800g |
Safety Protection
The S6 Ultra incorporates multiple protection functions including short-circuit, over-temperature, over-power, reverse-polarity, capacity, time, low-voltage, high-voltage and over-current protection.
Note: Maximum DC charging and external discharge power requires a suitable high-voltage, high-current DC power source.