SunnySky is a Chinese negative ground MPPT charge controller manufacturer. The controller's LCD display shows the daily / cumulative power and current generation data also in a form of a plot. The controller's maximum power output is more than 99% and the maximum conversion rate is equal or more than 98%.
Features:
- Real-time display of power and current
- Daily power & current generation curve
- Multi-function LCD screen
- Error log storing & display
- Battery support:
- Lead acid
- Sealed
- Gel
- Flooded
- User-defined
- Battery Temperature Sensor (BTS)
- Temperature compensation
- Tracking accuracy >99%
- 1 time per second tracking
- Electronic protections against:
- PV reverse polarity
- PV short-circuit
- PV over current
- Battery overcharge
- Battery over discharge
- Battery reverse polarity
- Load short-circuit
- Load overload
- Controller overheating
- 2-year warranty