Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.
Renogy DC to DC 40.0-Amps Charge Controller
Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries.
The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging - Bulk, Boost, and Float, to make sure it optimally and automatically charge to 100%.
Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure operation safety, It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging.
Charging Current (Amps): 40.0
Best Price. Guaranteed
Find a lower price on an exact item? We'll match it. Some exclusions apply.
Learn MorePay Your Way
Credit card, PayPal or Buy Now, Pay Later options available at checkout. Your choice.
Learn More