For a budget build where price matters most and the vehicle has a conventional alternator.
Amazon $121.90
A cheap dual input charger for a van with a 200 Ah lithium bank and a modest solar array.
- 40 ACharge current
- MPPT, up to 670 WSolar input
- 93%Efficiency
- 2 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- 40 A alternator charging and a 670 W solar input for under $200
- Light and compact at 2.65 lb
- Smart alternator support
- Uses solar or the alternator, not both at once
- Warranty is listed as 2 years on the store and 1 year on Amazon
- IP31 case must stay out of the weather
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 | RBC40D1S |
|---|---|
| Charging | |
| Charge current | 40 A |
| Input battery | 12 V |
| Output battery | 12 V |
| Battery types | AGM, gel, flooded, LiFePO4 |
| LiFePO4 profile | Yes |
| Smart alternator support | Yes |
| Peak efficiency | 93% |
| Solar | |
| Solar input | MPPT, up to 670 W |
| Build | |
| Bluetooth | No |
| Ingress rating | IP31 |
| Weight | 2.6 lb |
| Warranty | 2 years |
| Released | 2026-08-23 |
Alternatives in this current
A low cost dual input charger for a small van with a couple of 12 V panels and a lithium battery.
LiTime $209.99For budget van and trailer builds that want alternator and solar charging in one cheap box. Specs are thin, so pick it on price rather than features.
Amazon $165.99Compare
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