DC to DC Battery Charger (VS.) battery isolator?!

DC>DC charger AND isolator? Or instead of isolator?

Non-Isolated vs Isolated Orion-Tr Smart DC-DC Charger - Victron Community

Victron Energy Orion XS 12/12/50 - Non-Isolated - 50 Amp DC-DC Charger - ORI121217040 - Vanlife Outfitters

cTek D250s DC - DC Charger / Isolator - RVeeThereYet

REDARC BCDC1225D DUAL BATTERY ISOLATOR SYSTEM DC TO DC INSTALL KIT - MPPT Solar

Battery Charger Fundamentals, Article

ATEM POWER 20A DC to DC Battery Charger 12V Dual Battery System Kit Is – BrightSparkLedAustralia

The difference between isolators and battery chargers

LightningVolt DC-DC Lithium Battery Charger & Isolator - Roadwarrior

Best DC-DC Chargers And Battery Isolators For Vanlife (How To Charge Your Van While Driving)

Charging While Driving: Isolators and DC to DC/Battery to Battery in Van »

The NLDC-25 from National Luna is a DC to DC battery charger and isolator for a dual-battery system. It will charge an auxiliary or service battery

NLDC-25 DC-DC 25 Amp Charger

How to set delayed start for Victron Orion Tr Smart DC-DC charger? - Victron Community