12V MPPT Solar Panel Controller 3S Li-ion Cell 18650 Battery Charging Module coi

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Nominal 12V (10.8V 11.1V) full charge voltage 12.6V lithium battery .3 string lithium battery charge management board.3A high current intelligent trickle, constant current, constant voltage charging management board. 2. Solar cell maximum power point tracking (MPPT) is to ensure that the light intensity changes, the photovoltaic cells have been the maximum output power to take full advantage of solar energy. In general, it is necessary to use the switch mode DC-DC converter to achieve MPPT function, to maintain the output voltage and charge current product (output power) to maximize. 3. CN3722 is the use of switching buck mode DC-DC conversion way to achieve the maximum power point tracking function of photovoltaic cells, the input voltage up to 25V, very suitable for input voltage and battery voltage difference between the relatively large applications. Features: High-end technology MPPT solar maximum power tracking charge management chip, with trickle, constant current, constant voltage charging management. The use of imported high-frequency low-conduction resistance double MOS tube, high current diode, high efficiency flat high-power inductors, alloy current detection resistor. The large aluminum cooling fin at the bottom, ensure it keep stability working at the high current. High-speed and efficient way of charging, heat small, fast. Dual status indicator light, no battery when the red light flashes green light is always on, charging red light, full of self-stop while the green light. Specifications: Input voltage: 18V nominal solar panels (no load about 21V solar panels) Output voltage: nominal 12V (10.8V 11.1V) filled with voltage 12.6V lithium battery, 3 string lithium battery charge management Output current: maximum constant current 3A (Charge current > 2A, please add heat dissipation) Wiring method: Welding plate IN + : input positive, IN - : input negative (SOLAR) BAT+: battery positive, BA-: battery negative Size:45* 31mm/1.77*1.22inch Package Included: 1 x MPPT Solar Panel Controller ● Payment We accept PayPal only. We only ship item to your PayPal verified address. Payment must be received within 3 days from the date of purchase. Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note after you place orders. ● Terms of sales1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international import duties. 2. Import duties,taxes,and charges are not included in the item price or shipping fee. 3. The import duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the import duties will be submitted to eCRATER for solution. ● FeedbackWe will always do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ● Contact us Any questions, pls. contact us via eCRATER message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 stars" in very area. Our aim is to provide Top Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.Thanks! On Nov-01-17 at 23:50:32 PDT, seller added the following information: