Jeanoko CN3791 12V 3A MPPT Solar Panel Controller, Solar Charge Controller Battery Charger 1 Cell Lithium Battery Charging 3.7V 4.2V - Jeanoko73gahvp9nw

• multifunctional:high-end technology mppt solar maximum power tracking charging management chip, with trickle, constant current, constant pressure charging management function hight quality:adopt imported high-frequency low-pass internal resistance double mos tube, high-current diode, high-efficiency flat high-power inductance, alloy current detection resistance working principle:the maximum power point tracking (mppt) of solar cells is to ensure that the photovoltaic cells always output the maximum power when the light intensity changes, in order to make full use of solar energy. indicator light:dual status indicator, no battery when the red light flashing green light, charging when the red light is bright, full of self-stop at the same time green light note:we strive to provide you with the highest quality product and the best customer experience. your nice comment on our product page will be a great encouragement to improve our service. if you're not entirely satisfied, please just feel free to contact us at any time.