$404.25 (normally $539 from most retailers including Jaycar) proven controller
(20 and 30A models also on special)
Max 60 amps supply at 12v or 24v battery systems
Supporting 12V solar arrays up to 1125W or 24VDC arrays up to 2250W and 100v max.
Compatible Battery Bank Voltages 12 / 24VDC Selectable
Solar Input Voltage: 16 - 100VDC
Maximum Solar Array Size: 1125W/12VDC , 2250W / 24VDC
Maximum Charge Output: 60A
Maximum Load Current: 60A
Future proof as far as current battery technologies
Battery support:
- Sealed, gel or flooded Lead-acid (8~17V/12V; 18~32V/24V)
- LiFePO4 (12V/24V)
- LiNiCoMnO2 (12V/24V)
- LiFePO4 (12V/24V)
- LiNiCoMnO2 (12V/24V)
For those who have Lead Acid or other supported battery types, future change over to lithium battery settings built in to this model.
Should be much cheaper on Alibaba