Buck-Boost DC/DC Converters

The Victron Energy Buck-Boost DC-DC Converter is designed to ensure reliable charging of 12V or 24V service batteries in vehicles equipped with intelligent or smart alternators, such as those found in Euro 5 and Euro 6 engines. These alternators often provide inconsistent or reduced charging voltage, and the Buck-Boost converter compensates by stabilizing and regulating output to properly charge the auxiliary battery. By automatically stepping voltage up or down as needed, the Buck-Boost converter delivers consistent, controlled charging performance while protecting both the starter and service batteries. This makes it an essential solution for maintaining battery health and reliable power in modern vehicle and mobile energy systems. Sold on Battle Born Batteries (https://battlebornbatteries.com/products/buck-boost-dc-dc-converters). The price shown is the retail price on that storefront on 2026-10-22, not a GreenB2B quote or a wholesale price.