Renogy DCC30S 30A DC-DC MPPT
#2 in DC-DCFull review
For smaller vans and truck campers with a 100 Ah battery and a panel or two on the roof. Bigger banks or arrays need the 50 A DCC50S.
Amazon $186.97$186.97
The Renogy DCC30S 30A DC-DC MPPT is the better charge controller overall, rated 4.0 to 3.6. The Renogy DCC30S 30A DC-DC MPPT leads on efficiency and value. The Victron Orion-Tr Smart 12/12-30 wins on warranty. The Renogy DCC30S 30A DC-DC MPPT costs $32.33 less ($186.97 vs $219.30).
Victron Orion-Tr Smart 12/12-30
#5 in DC-DCFull 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 Northern Arizona Wind & Sun $219.30$219.30
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Renogy DCC30S 30A DC-DC MPPT for efficiency (97% peak efficiency (maker rating) vs 87% peak efficiency (maker rating)) and value ($6.23 per amp of charge current vs $7.31 per amp of charge current).
- Choose the Victron Orion-Tr Smart 12/12-30 for warranty (5-year warranty vs 3-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every DC-DC charge controller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy DCC30S 30A DC-DC MPPT | Victron Orion-Tr Smart 12/12-30 |
|---|---|---|
| Overall rating | 4.0/5 | 3.6/5 |
| Value 35% | 71 $6.23 per amp of charge current | 61 $7.31 per amp of charge current |
| Features 25% | 82 Bluetooth add-on, lithium profile, temperature sensor, smart-alternator support | 80 Bluetooth app, lithium profile, smart-alternator support; no temperature sensor |
| Efficiency 20% | 88 97% peak efficiency (maker rating) | 0 87% peak efficiency (maker rating) |
| Warranty 20% | 50 3-year warranty | 100 5-year warranty |
Specifications
| Renogy DCC30S 30A DC-DC MPPT | Victron Orion-Tr Smart 12/12-30 | |
|---|---|---|
| Charging | ||
| Type | DC-DC charger with MPPT solar input | DC-DC charger |
| Charge current | 30 A | 30 A |
| Battery voltage | 12 V | 12 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | Yes |
| Temperature sensor | Included | No |
| Peak efficiency | 97% | 87% |
| Standby draw | 30 mA | 1 mA |
| Inputs | ||
| Max PV voltage (Voc) | 30 V | - |
| Max PV power (12 V) | 400 W | - |
| DC input range | 12 to 16 V | 8 to 17 V |
| Isolated | No | Yes |
| Smart alternator | Yes | Yes |
| Ignition sensing | Yes | Yes |
| Monitoring and build | ||
| Bluetooth | Optional add-on | Built in |
| Display | No | No |
| Load output | No | No |
| Parallel units | - | Yes |
| Cooling | passive (heat sink, no fan) | - |
| Water resistance | - | IP43 |
| Dimensions | 9.61 x 5.75 x 3.03 in | 5.1 x 7.3 x 3.2 in |
| Weight | 3.1 lb | 4 lb |
| Warranty | 3 years | 5 years |