Qingdao Skywise Tech Win2075-K
The Qingdao Skywise Tech Win2075-K is a battery charger with wiring for 12/24 V, BLE(Selectable) communication and an ingress rating of IP54.
Last updated: 28 October 2026
What this device draws
- Rated input power
- 260W/520W
- Voltages it can be wired for
- 12/24V automatical recognization
“Max input power 200/400W 260W/520W”
Source: lumiax.com/product/detail/5956
“System voltage 12/24V automatical recognization”
Source: lumiax.com/product/detail/5956
Battery and charging
- Maximum charge voltage
- 35V
- Boost voltage it applies
- 14.0~14.8V/28.0~29.6V (default:14.5/29.0V@25℃)
- Battery types it states
- Gel, AGM, Liquid, Lithium (default: Gel)
- Temperature compensation
- -4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float)
- Maximum efficiency
- 97.0%
- Highest charge current it will take
- 20A
- Charge method
- MPPT, boost, equalization, float
- Charging voltage
- 10.0~32.0V (Lithium, default: 14.4/28.8V)
- Float voltage
- 13.0~14.5V/26.0~29.0V (default:13.7/27.4V@25℃)
- Voltage at which a charger restarts
- 9.2~31.8V (Lithium, default: 14.0/28.0V)
“Max volt on bat. terminal 35V”
Source: lumiax.com/product/detail/5956
“Boost voltage 14.0~14.8V/28.0~29.6V (default:14.5/29.0V@25℃)”
Source: lumiax.com/product/detail/5956
“Battery type Gel, AGM, Liquid, Lithium (default: Gel)”
Source: lumiax.com/product/detail/5956
“Temperature compensation -4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float)”
Source: lumiax.com/product/detail/5956
“Max conversion efficiency 97.0%”
Source: lumiax.com/product/detail/5956
“Max charging current 15A 20A”
Source: lumiax.com/product/detail/5956
“Four stages charge way: MPPT, boost, equalization, float”
Source: lumiax.com/product/detail/5956
“Charging target voltage 10.0~32.0V (Lithium, default: 14.4/28.8V)”
Source: lumiax.com/product/detail/5956
“Float voltage 13.0~14.5V/26.0~29.0V (default:13.7/27.4V@25℃)”
Source: lumiax.com/product/detail/5956
“Charging recovery voltage 9.2~31.8V (Lithium, default: 14.0/28.0V)”
Source: lumiax.com/product/detail/5956
Battery care and safety
- Operating temperature range
- -20~+55℃
- Ingress protection
- IP54
- Temperatures it may be stored in
- -25~+80℃
- Humidity it is rated for
- 0~100%RH
- Highest altitude it is rated for
- 4000m
“Ambient temperature -20~+55℃”
Source: lumiax.com/product/detail/5956
“Ambient humidity 0~100%RH Protection degree IP54”
Source: lumiax.com/product/detail/5956
“Storage temperature -25~+80℃”
Source: lumiax.com/product/detail/5956
“Ambient humidity 0~100%RH”
Source: lumiax.com/product/detail/5956
“Protection degree IP54 Max Altitude 4000m”
Source: lumiax.com/product/detail/5956
Size and fit
- Overall dimensions
- 108.6*164.2*31.5mm
- Terminals
- 10AWG (5mm2)
- Stated weight
- 706g
“Dimensions 108.6*143*28.1mm 108.6*164.2*31.5mm”
Source: lumiax.com/product/detail/5956
“Power terminals 10AWG (5mm2)”
Source: lumiax.com/product/detail/5956
“Net weight 557g 706g Communication BLE(Selectable)”
Source: lumiax.com/product/detail/5956
Compatibility
- Communication protocol
- BLE(Selectable)
“Communication BLE(Selectable)”
Source: lumiax.com/product/detail/5956
Sources
- Lumiax is the registered trademark of Qingdao Skywise Technology Co. Ltd.Archived document
Source: lumiax.com/product/detail/5956
Retrieved October 27, 2026