Battery type | Sealed | GEL | Flooded | Ternary-material lithium | Lithium iron phosphate |
System current | 10 A; 20 A |
No-load loss | 10 mA/ 12 V; 13 mA/ 24 V |
Solar energy input voltage | < 55 V |
System voltage | 12 V/ 24 V Auto | 12 V/ 24 V Auto | 12 V/ 24 V Auto | 3 and 4 strings: 12 V system
7 strings: 24 V system | 4 strings: 12 V system
8 strings: 24V system |
Overvoltage protection | 17.0 V | 17.0 V | 17.0 V | 4.2 V * N + 2.0 V | 3.65 V * N + 2.0 V |
Equalizing charging voltage | 14.6 V | — | 14.6 V | — | — |
Boost charging voltage | 14.4 V | 14.2 V | 14.4 V | — | — |
Floating charging voltage | 13.8 V | 13.8 V | 13.8 V | — | — |
Overcharge voltage | — | — | — | 4.2 V * N | 3.65 V * N |
Overcharge recovery | — | — | — | 3.9 V * N | 3.4 V * N |
Boost charging recovery voltage | 13.2 V | 13.2 V | 13.2 V | — | — |
Over-discharge recovery voltage | 12.5 V | 12.5 V | 12.5 V | 3.3 V * N | 3.0 V * N |
Undervoltage | 12.0 V | 12.0 V | 12.0 V | 3.2 V * N | 2.8 * N |
Over-discharge voltage | 11.0 V | 11.0 V | 11.0 V | 3.0 V * N | 2.5 V * N |
Temperature compensation | -4.0 mv°C/ 2 V | -4.0 mv°C/ 2 V | -4.0 mv°C/ 2 V | — | — |
Equalizing charging duration | 1 hour | — | 1 hour | — | — |
Boost charging duration | 4 hours | - | 4 hours | — | — |
Light controlled voltage | Light controlled on 5 V, light controlled off 6 V |
Light control judgment time | 1 min |
Overload and short-circuit protection | 1.25 times of rated current: 30 s;
1.5 times of rated current: 5 s of overload protection;
Over 3 times of rated current: short-circuit protection. |
Operating temperature | -35°C to +65°C; |
Protection degree | IP68 |
Weight | 140 g (10 A) 300 g (20 A) |
Dimensions | 82×58×20 (mm)/ 10 A; 82×100×20 (mm)/ 20 A
(L×W×H) |