Description
The Stormvale Solar Charge Controller 20A PWM is built for DIY enthusiasts, campers, and anyone using a modest solar panel array to keep a lead‑acid or lithium battery charged. It offers straightforward voltage regulation and protects the battery from over‑charge, making it a practical addition to portable power stations or small off‑grid systems.
Why you will like it
- Simple operation: Plug‑and‑play wiring with clear terminal markings.
- Battery protection: Prevents over‑charge and deep‑discharge to extend battery life.
- Wide input range: Accepts panel voltages up to 30 V for flexible system design.
- Compact size: Fits easily into tight enclosures or portable kits.
- LED status indicators: Shows charging mode and fault conditions at a glance.
Specifications
| Brand | Stormvale |
|---|---|
| Model | SV-PW-011 |
| Controller type | PWM |
| Maximum current | 20 A |
| Input voltage range | 6‑30 V DC |
| Battery voltage | 12 V / 24 V |
| Dimensions (L×W×H) | 5.5 in × 3.2 in × 1.2 in |
| Weight | 0.9 lb (410 g) |
| Operating temperature | -10 °C to 50 °C |
| Connector type | MC4 compatible input, screw‑terminal output |
| SKU | SV-PW-011 |
What is in the box
- Solar charge controller unit
- Installation manual
- Set of terminal ring terminals
- Mounting brackets
Safety notes
- Install in a dry location away from direct sunlight.
- Disconnect solar panels before wiring or maintenance.
Frequently asked questions
Can this controller be used with lithium‑ion batteries?
Yes, it supports both 12 V and 24 V lithium‑ion battery banks; follow the manual for proper wiring.
What panel size is recommended?
Panels that produce up to 20 A at the controller’s input voltage range work well; larger arrays may require multiple controllers.
Is there any cooling required?
The unit is designed for passive cooling; ensure adequate airflow around the enclosure.
How do I know if the controller is charging correctly?
The LED indicators display charging mode and will flash if an over‑voltage or fault condition occurs.
Shipping & returns
Ships from our US warehouse in 1–2 business days. Free standard shipping on orders of $59 or more; $6.95 below that (contiguous US). Return unused items in original packaging within 30 days of delivery. Damaged or defective items are replaced or refunded. See our Shipping Policy and Return Policy.
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