... technology, the controller can trace the peak power with 99% conversion efficiency. MPPT microprocessor, inside the controller,making ... Features:1.MPPT charge mode,conversion efficiency up to 99%,can save 30%~60% of the power than ... chip,make the Solar panels utilization rate up to 99%. Intelligent design,the device can be upgraded online ... etc . MPPT Solar Charge Controller 60 Amps at 12V or 24V or 48V ...