You've got a small solar panel, a 12V battery, and you need it charging without a fire risk or a tangle of thin wire. This Jaycar PWM controller handles up to 20 amps and comes with high-current leads already attached, so you're not hunting for the right gauge cable at the hardware store at 4pm on a Friday. Plug it in, clip your panel leads, done. It's the straightforward option when you don't need MPPT complexity but do need reliable, safe charging for a 12V setup. If your system is simple and you just want it working this weekend, this is the part
| brand | Jaycar |
| category | Electronics & Components |
| subcategory | Power & Batteries |
| rrp | 65.4 |
| type | PWM |
| current_rating | 20A |
| voltage | 12V |
| leads_included | 1 |