Victron Orion XS 1400
#2 in 40 A and upFull 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$356.15
The Victron Orion XS 1400 is the better DC-DC charger overall, rated 3.9 to 3.4. The Victron Orion XS 1400 leads on warranty, features and efficiency. The Sterling Power BB12120 120A wins on charge current. The Victron Orion XS 1400 costs $407.15 less ($356.15 vs $763.30).
Sterling Power BB12120 120A
#9 in 40 A and upFull review
For boats and large RVs with a big lithium bank and an alternator rated well above 140 A.
Amazon $763.30$763.30
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 1400 for warranty (5-year warranty vs 2-year warranty), features (smart alternator support, Bluetooth vs smart alternator support) and efficiency (98.5% peak efficiency vs 94% peak efficiency).
- Choose the Sterling Power BB12120 120A for charge current (110 A vs 50 A).
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 1400 | Sterling Power BB12120 120A |
|---|---|---|
| Overall rating | 3.9/5 | 3.4/5 |
| Value 30% | 58 $7.12 per amp ($356.15, 50 A) | 60 $6.94 per amp ($763.30, 110 A) |
| Charge current 20% | 50 50 A | 100 110 A |
| Efficiency 10% | 100 98.5% peak efficiency | 67 94% peak efficiency |
| Features 20% | 50 smart alternator support, Bluetooth | 25 smart alternator support |
| Warranty 20% | 100 5-year warranty | 25 2-year warranty |
Specifications
| Victron Orion XS 1400 | Sterling Power BB12120 120A | |
|---|---|---|
| Charging | ||
| Charge current | 50 A | 110 A |
| Input battery | 12/24 V | 12 V |
| Output battery | 12/24 V | 12 V |
| LiFePO4 profile | Yes | Yes |
| Smart alternator support | Yes | Yes |
| Peak efficiency | 98.5% | 94% |
| Isolated | No | - |
| Solar | ||
| Solar input | No | No |
| Build | ||
| Bluetooth | Yes | No |
| Ingress rating | IP65 | - |
| Weight | 1.1 lb | 4 lb |
| Warranty | 5 years | 2 years |