| Brand | Unbranded |
|---|---|
| Features | Dual USB |
| Type | Charger/Inverter |
| Voltage | 12V / 24V Auto |
| Model | Solar Charge Controller |
Check the listing for details. 30A Solar Panel Battery Charge Controller 12V/24V LCD Regulator Auto Dual USB. Condition: New. Listed at 9.19 USD. It also has a dual MOS anti-backflow circuit and low heat. Size: approx. For example, with a single 6A 100W panel, use the 10A model. Two 6A panels (12A total) should use the 20A model. If in doubt, use the higher current model, i.e. H.