Step-down Module 1.2-35v Charging To Dc-dc Satisfied 7-40v Led Drive Power Electronic Hgoog Consumer 9a Charge

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Step-down Module 1.2-35v Charging To Dc-dc Satisfied 7-40v Led Drive Power Electronic Hgoog Consumer 9a Charge Magdalena Shep Rating: 4.8 out of 5

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This module has two models, One is Constant Current and the other is Non-Constant Current. The appearance of the two is slightly different.​Applications:

High-power LED constant current drive ,
Lithium battery(or Iron battery) charge,
6V, 12V, 14V, 24V battery charge ,
Nickel-cadmium nickel-metal hydride battery ( battery pack ) charge ,
Solar panels and wind turbines.Specification:
Input voltage: 7-40V
Output voltage: 1.2-35V (continuously adjustable)
Output Current: 9A
Constant current range: 0.2-9A ( adjustable )
Output Power: Maximum power is about 300WBattery charge:
1. Make sure of the battery float voltage and charging current that you need, the input voltage of the module.
2. Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected charging current value.
3. Adjust the constant voltage potentiometer make the output voltage reaches the float voltage;
4. Connected to the battery, try to charge.
(1,2,3,4 steps to connect the power module input, output no-load does not connect battery.)LED constant current drive:
1.Make sure operating current and Max operating Voltage of the LED you need to drive.
2.Adjust the constant voltage potentiometer, adjust the output voltage to about 5V.
3.Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected LED operating current.
4.Adjust constant voltage potentiometer make the output voltage reach the maximum LED operating voltage.
5.Connect LED, test.
(1,2,3,4 steps to connect the power module input, output No-load does not connect LED.)

Real Picture:

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 Delivery: If 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).
Step-down Module 1.2-35v Charging To Dc-dc Satisfied 7-40v Led Drive Power Electronic Hgoog Consumer 9a Charge