Cloroxbottle
New Member
The battery bank in question is 4 x ePropulsion E163 batteries @ 48V, a total capacity of 652ah.
I'm considering the best way to wire a set of solar panels in series-parallel (two strings of two panels each) to maximize the charging performance. In total, the first option has a higher Voc/Vmp but a lower Imp. The second option has a lower Voc/Vmp but a higher Imp. Which of the two will do a better job of keeping a 48v battery bank topped off?
The first option involves mounting four panels on the bimini arch. Each of these panels has the following specs:
The second option involves 4 x 200W CIGS flexible panels with two on the bimini and two on the foredeck. Each of them has the following specs:
I'm considering the best way to wire a set of solar panels in series-parallel (two strings of two panels each) to maximize the charging performance. In total, the first option has a higher Voc/Vmp but a lower Imp. The second option has a lower Voc/Vmp but a higher Imp. Which of the two will do a better job of keeping a 48v battery bank topped off?
The first option involves mounting four panels on the bimini arch. Each of these panels has the following specs:
The second option involves 4 x 200W CIGS flexible panels with two on the bimini and two on the foredeck. Each of them has the following specs:
| 200±5%W | Operating Temperature Limits | -40℉ ~ +185℉ -40℉ ~ +85℃ | |
| Solar Cells Efficiency | 17% | Series Fuse Rating | 10A |
| Max. Power Voltage Vmp (V) | 24±5%V | Temperature Coefficient Pmax | -0.38%/℃ |
| Max. Power Current Imp (A) | 8.52±5％A | Temperature Coefficient Voc | -0.28%/℃ |
| Open Circuit Voltage Voc (V) | 30.4±5%V | Temperature Coefficient Isc | -0.008%/℃ |
| Short Circuit Current (Isc) | 9.48±5％A | Dimensions | 82.8*27.1*0.06 inches |
| Max. System Voltage | 1000V DC | Weight | 5.95 lbs |
