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VEVOR 12V 40A DC to DC Battery Charger, 500W, On-Board Battery Charger for Lead-Acid, Lithium, AGM, GEL, and Flooded Batteries, Smart Multi-Stage Charging, for RVs, Commercial Vehicles, Boats, Yachts

Current: 40A

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Can you use solar panels to power dc To dc charger?

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This product has an input voltage range of only 8.5-16V, and it cannot function beyond this range. We do not recommend you to use solar panels to power dc To dc charger.

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This is draining my engine battey. does this have a trigger wire?

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Yes, this product requires connection to the D+ ignition wire to activate, so it will turn off when the vehicle is turned off. If this answer does not resolve your issue, please contact us again for assistance.

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How many amps does the charger draw from the alternator

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This current consumption depends on the load size. For the standby consumption during charging itself, it's approximately 0.2A. If this answer does not resolve your current issue, please contact us again for assistance.

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