1S Cell 12V Lithium Battery Charging 3.7V 4.2V CN3791 MPPT Solar Panel Regulator Controller
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
Charging management board features:
1. High-end technology MPPT solar maximum power tracking charge management chip, with turbulence, constant current, constant voltage charge management
2. Adopt imported high frequency low conduction internal resistance double MOS tube, high current diode, high efficiency flat high power inductor, alloy current detection resistance
3. Extra large aluminum heat sink at the bottom to ensure long-term stable operation at high currents(heat sink not include)
4 high speed and efficient charging
5. Dual status indicator, when the battery is not connected, the red flashing green light is always on, the red light is on when charging, and the green light is full while it is stopped.
Input voltage: can be customized according to the nominal voltage of the solar panel
Output Voltage: Nominally 3.7V Fully Charged Voltage 4.2V Lithium Battery Single Lithium Battery Charge Management
Output current: maximum constant current 3A
Wiring method: welding
IN+ input positive, IN- input negative (SOLAR)
OUT+ battery positive, OUT- battery negative
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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