Renogy
Renogy Wanderer 30A PWM
budgetPWM
Cheapest viable controller for small 12V single-panel kits where MPPT cost isn't justified.
$40 · Renogy.com retail listing
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| Type | PWM |
| Rated charge current | 30 A |
| Max PV input voltage | 50 V |
| System voltages | 12 / 24 V |
| Max PV array | 400W @12V · 800W @24V |
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
PWM, panel Vmp must be near system voltage (use a ~18V-Vmp "12V" panel); no series strings of high-Voc panels.
Sources
- www.renogy.com
- Specs verified 2026-06-21 · confidence: high