by HQRP
(2)Buy new: $39.91
(Visit the Best Sellers in Energy Controllers list for authoritative information on this product's current rank.)
Two battery charging eliminates the added cost of two separate solar charging systems; With battery type selection; With charging priority setting; Temperature compensation (option: Remote temperature sensor & Local temperature sensor); Remote meter(option); Protection against over charging, short-circuit, revert current to PV. PWM charging, different frequency option. Solar Controller supports up to 150W of 12V Solar panels and up to 300W of 24V Solar panels. For 12V solar panels, please, use battery and load for 12V solar systems (For 24V solar panels, please, use battery and load for 24V solar systems). HQRP UV Chain / UV Radiation Tester: To know the Solar UV Index, it is enough to compare the colorchange with the 4 standard colors around. Very light purple: low intensity, UV index 1-2. Sun-protection not necessary. Light purple: medium intensity, UV index 3-5. Sun-protection is recommended. Purple: strong intensity, UV index 6-7. Sun-protection is necessary. Dark purple: very strong intensity, UV index 8-11. This tester shows you the level of UV radiation and helps you protect your eyes and skin from negative sunlight effect, but this meter doesn't show sunlight intensity for solar panels.
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