Sizing Guide for Solar Charge Controllers
Wednesday, 3 August 2016 | Admin
Sizing guide for solar charge controllers
Most small solar battery systems are designed with a 12V lead acid battery.
The charge controller you require will depend on the number and type of panels you wish to run.
| Panel | Charge controller recommended (when you have a 12V battery) | Design notes |
| 100W Ulica panel | 10A charge controller | |
| 150W Ulica panel | 20A charge controller | |
| 250W Ulica panel | 20A MPPT charger | |
| | | |
| Using your own panels? | | |
| 12V panel rated up to 100W | 10A charge controller | |
| 12V panel rated up to 200W | 20A charge controller | |
| 30V panel rated up to 300W | 30A MPPT charger | |
| | | |
| Installing more panels? | | |
| 2 x 100W Ulica panels | 20A charge controller | Connect the panels in parallel |
| 2 x 150W Ulica panels | 20A charge controller | Connect the panels in parallel |
| 2 x 250W Ulica panels | 40A MPPT charger | Connect the panels in series or parallel |
10A & 20A Solar Charge Controllers
20A & 40A MPPT Solar Charge Controllers
