Automatic Voltage Recognition, Compatible with a Wide Range of Battery Types Intelligent Chip, Efficient Fast Charging Power Efficiency 99%, With efficient chips and power point tracking technology, it signifi cantly improves the utilization and conversion efficiency of the solar system, ensuring high-efficiency charging of the battery. Efficient Conversion Rapid Power Generation, MPPT Solar Charge Controller, Tracking efficiency of 98% Widely Applicable in Various Industries, Efficient and Stable Power Generation, Weight: 0.96231777363 pounds, Manufacturer: NONDK