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Renogy 12V 20A/40A DC to DC Battery Charger

Renogy's product page

Last updated: 16 September 2026

Battery and charging

Battery profiles it carries
Five profiles, including a user-defined one

AGM, Gel, Flooded, Lithium-iron Phosphate,User

Source: renogy.com/collections/dc-dc-battery-chargers/products/12v-40a-dc-to-dc-battery-charger

Rated output power
584 W at 40 A, against 616 W on the MPPT model

584W

Source: renogy.com/collections/dc-dc-battery-chargers/products/12v-40a-dc-to-dc-battery-charger

Temperature compensation
None on lithium; -3mV/°C/2V on everything else

-3mV / ℃ / 2V (Non-Lithium)

Source: renogy.com/collections/dc-dc-battery-chargers/products/12v-40a-dc-to-dc-battery-charger

United States — CPSC

We did not match this product to any recall in the data we hold from CPSC, last checked September 19, 2026. Check CPSC’s own search: cpsc.gov/Recalls

United States — NHTSA & Coast Guard

We did not match this product to any recall in the data we hold from NHTSA or the US Coast Guard, which we hold records from but do not yet check on a schedule. Check NHTSA’s own search: nhtsa.gov/recalls

European Union

We did not match this product to any recall in the data we hold from the European Union, last checked September 19, 2026. Check the European Union’s own search: ec.europa.eu/safety-gate-alerts/screen/search

United Kingdom

We did not match this product to any recall in the data we hold from the United Kingdom, last checked September 19, 2026. Check the United Kingdom’s own search: gov.uk/product-safety-alerts-reports-recalls

Australia

We did not match this product to any recall in the data we hold from Australia, last checked September 14, 2026. Check Australia’s own search: productsafety.gov.au/recalls

Canada

We did not match this product to any recall in the data we hold from Canada, last checked September 19, 2026. Check Canada’s own search: recalls-rappels.canada.ca/en/search

France

We did not match this product to any recall in the data we hold from France, last checked September 19, 2026. Check France’s own search: rappel.conso.gouv.fr

None of these is a statement that the product is safe or unrecalled — only that our searches found nothing. Each regulator’s own search is linked above.

Compatible batteries

No sourced battery-compatibility evidence is on file for this charger yet.