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
3.8/5
For boats, trucks and engine bay installs that need a sealed charger with solar and Bluetooth.
- 50 ACharge current
- MPPT, up to 750 WSolar input
- 94%Efficiency
- 5 yearsWarranty
Check price at Amazon$399.99
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- IP67 sealed, so it can go in an engine bay or on a boat
- Five year warranty, the longest of the Renogy line
- Bluetooth and a 750 W solar input built in
- Works on 12 V and 24 V systems
Cons
- About twice the price of Renogy’s other 50 A charger
- Heavier than most at 5.5 lb
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its current. How we rank explains each one.
Specifications
| Model number | RBC2150DS-21B |
|---|---|
| Charging | |
| Charge current | 50 A |
| Input battery | 12/24 V |
| Output battery | 12/24 V |
| Battery types | AGM, gel, flooded, LiFePO4 |
| LiFePO4 profile | Yes |
| Smart alternator support | Yes |
| Peak efficiency | 94% |
| Solar | |
| Solar input | MPPT, up to 750 W |
| Max solar voltage | 50 V |
| Build | |
| Bluetooth | Yes |
| Ingress rating | IP67 |
| Weight | 5.5 lb |
| Warranty | 5 years |
Alternatives in this current
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
Renogy REGO 60A DC-DC Charger
#4 in 40 A and upFull 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$429.99
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