Chargers with Bluetooth built in, for watching charge current and settings from a phone.
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Best DC-DC Chargers with Bluetooth: Up to 30 A
- Victron Orion-Tr Smart 12/12-30#1 of 3Full review
For boats and vans that need an isolated charger from a brand with a long track record. Buyers who don’t need isolation get more current and efficiency from the Orion XS.
Amazon $177.15$177.1530 ANo87% - Victron Orion-Tr Smart 12/12-18 Isolated#2 of 3Full review
For boats and vehicles that need an isolated charger, or anyone who wants Victron Bluetooth and a 5 year warranty on a small house bank.
Off Grid Stores $162.19$162.1918 ANo87% - Redarc BCDC Alpha 25#3 of 3Full review
For 4x4 and truck builds that need the toughest sealed charger with Bluetooth. Buyers on a budget get more amps per dollar elsewhere.
Redarc $689$68925 AMPPT, up to 500 W-
Best DC-DC Chargers with Bluetooth: 40 A and up
- Victron Orion XS 12/12-50#1 of 5Full review
The best all-round alternator charger for most vans and RVs with a 12 V lithium bank. It is small, very efficient and fully configurable from a phone.
Amazon Inverters R Us $328.10$328.1050 ANo98.5% - Victron Orion XS 1400#2 of 5Full review
For mixed voltage setups, such as a 24 V truck charging a 12 V camper bank or a 12 V van with a 24 V house system.
Off Grid Stores $356.15$356.1550 ANo98.5% - Renogy PRO 50A DC-DC MPPT IP67#3 of 5Full review
For boats, trucks and engine bay installs that need a sealed charger with solar and Bluetooth.
Amazon $399.99$399.9950 AMPPT, up to 750 W94% - Renogy REGO 60A DC-DC Charger#4 of 5Full review
For an RV owner building a REGO system who wants Bluetooth and RV-C built in. Otherwise the plain 60 A model is far cheaper.
Amazon $429.99$429.9960 ANo94% - Redarc BCDC Alpha 50#5 of 5Full review
For 4x4 and truck builds that need the toughest sealed charger with Bluetooth. Buyers on a budget get more amps per dollar elsewhere.
Amazon $735$73550 AMPPT, up to 1,000 W-