| Model |
20DU |
2048D |
| Input |
| PV voltage |
¡Ü50V |
¡Ü100V |
| Rated Current |
20A |
20A |
| Output |
| System Voltage |
12V/24V Auto |
48V |
| HVD |
16.00V¡Á1/¡Á2/¡Á3/¡Á4 |
| Rated discharging current |
20A |
20A |
| No-load loss |
¡Ü13mA |
¡Ü25mA |
| Charge loop voltage drop |
¡Ü0.21V |
¡Ü0.25V |
| Discharge loop voltage drop |
¡Ü 0.12V |
¡Ü0.12V |
| Charging mode |
PWM 4-stage£¨bulk, absorption£¬float, equalized£© |
| Voltage of float charging |
13.8(13V~15V)¡Á1/¡Á2/¡Á3/¡Á4 |
| Voltage of absorption charging |
14.4V(13V~15V) ¡Á1/¡Á2/¡Á3/¡Á4 |
| Duration of absorption charging |
2hs |
| Voltage of equalized charging * |
14.6V(13V~15.5V) ¡Á1/¡Á2/¡Á3/¡Á4 |
| Duration of equalized charging |
2hs |
| LVD |
10.7V(10V~14V) ¡Á1/¡Á2/¡Á3/¡Á4 |
| LVR |
12.6V(10V~14V) ¡Á1/¡Á2/¡Á3/¡Á4 |
| Load working mode |
Regular control mode |
| Light control with switch-off point at night and switch-on point before dawn |
| Light control mode |
| Light control voltage |
5V(1V~10V) ¡Á1/¡Á2/¡Á3/¡Á4 |
| Battery type |
GEL, SLD, FLD and USr(default) |
| USB |
5V 1A |
None |
| Other |
| Man-machine interface |
LCD, 2 buttons |
| Wiring |
PCB terminal, ¡Ü6mm2 |
PCB terminal, ¡Ü6mm2 |
| Working temperature |
-20 ~ +55 ¡ãC |
| Storage temperature |
-30 ~ +80 ¡ãC |
| Working humidity |
10% ~ 90%, no condensation |
| Dimension |
188 x 95 x 46.5mm |
| Net Weight |
355g |
355g |
| IP Code |
IP30 |
| Optional function |
Remote communication£¬TTL, standard ModBus protocol |
