Renogy
Renogy 40A DC-DC On-Board Charger
mid
Budget-friendly alternator-only option when a separate MPPT controller is already planned.
$150 · Renogy.com retail listing
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| Output current | 40 A |
| Alternator input range | 8–16 V |
| Output (charge) voltage | 12 V |
| Built-in solar MPPT | No |
Affiliate disclosure: Some links here (Renogy) are affiliate links — if you buy through them we may earn a commission at no extra cost to you. Sizing and wiring output is guidance, not an electrical sign-off — verify before buying or wiring.
Notes
Alternator-only charger; no built-in solar MPPT input.
Sources
- www.renogy.com
- Specs verified 2026-06-21 · confidence: high