Victron Orion XS 12/12-50
#1 in 40 A and upFull 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$328.10
The Victron Orion XS 12/12-50 is the better DC-DC charger overall, rated 3.9 to 3.8. The Victron Orion XS 12/12-50 leads on value and efficiency. The Renogy PRO 50A DC-DC MPPT IP67 wins on features. The Victron Orion XS 12/12-50 costs $71.89 less ($328.10 vs $399.99).
Renogy PRO 50A DC-DC MPPT IP67
#3 in 40 A and upFull review
For boats, trucks and engine bay installs that need a sealed charger with solar and Bluetooth.
Amazon $399.99$399.99
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.
Which should you buy?
- Choose the Victron Orion XS 12/12-50 for value ($6.56 per amp ($328.10, 50 A) vs $8 per amp ($399.99, 50 A)) and efficiency (98.5% peak efficiency vs 94% peak efficiency).
- Choose the Renogy PRO 50A DC-DC MPPT IP67 for features (solar input, smart alternator support, Bluetooth vs smart alternator support, Bluetooth).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 40 A and up DC-DC charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron Orion XS 12/12-50 | Renogy PRO 50A DC-DC MPPT IP67 |
|---|---|---|
| Overall rating | 3.9/5 | 3.8/5 |
| Value 30% | 64 $6.56 per amp ($328.10, 50 A) | 50 $8 per amp ($399.99, 50 A) |
| Charge current 20% | 50 50 A | 50 50 A |
| Efficiency 10% | 100 98.5% peak efficiency | 67 94% peak efficiency |
| Features 20% | 50 smart alternator support, Bluetooth | 75 solar input, smart alternator support, Bluetooth |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Victron Orion XS 12/12-50 | Renogy PRO 50A DC-DC MPPT IP67 | |
|---|---|---|
| Charging | ||
| Charge current | 50 A | 50 A |
| Input battery | 12 V | 12/24 V |
| Output battery | 12 V | 12/24 V |
| Battery types | - | AGM, gel, flooded, LiFePO4 |
| LiFePO4 profile | Yes | Yes |
| Smart alternator support | Yes | Yes |
| Peak efficiency | 98.5% | 94% |
| Isolated | No | - |
| Solar | ||
| Solar input | No | MPPT, up to 750 W |
| Max solar voltage | - | 50 V |
| Build | ||
| Bluetooth | Yes | Yes |
| Ingress rating | IP65 | IP67 |
| Weight | 0.7 lb | 5.5 lb |
| Warranty | 5 years | 5 years |
| Released | 2024-01 | - |