| Item | SMR25-V3212 | SMR15-V1212 |
Battery Parameters | System Volt | 3.2V | 12V |
Max Charging Current | 20A | 15A |
MAX Volt. on Bat. Terminal | 10V | 20V |
Battery Type | Lithium | Gel, AGM, Liquid and Lithium |
Gel, AGM, Liquid | Fast Charging Volt | -- | <14.5V@25ºC |
Boost Volt | -- | 14.5V @25ºC |
Equalization Volt | -- | 14.8V @25ºC (Liquid, AGM) |
Float Volt | -- | 13.7V @25ºC |
Low Volt. Disconnect | -- | 10.8~11.8V (Programmable) |
Reconnect Volt. | -- | 11.4~12.8V (Programmable) |
Overcharge Protect | -- | 15.5V |
Temp. Compensation | -- | -4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float) |
Lithium | Charging Volt. target | 3.0~9.0V (Programmable) | 10.0~17.0V (Programmable, Default: 12.6V) |
Charging Volt. recovery | 2.9~8.9V (Programmable) | 8.5~16.8V (Programmable, Default: 12.4V) |
Low Volt. disconnect | 2.6~7.2V (Programmable) | 8.0~15.0V (Programmable, Default: 9.0V) |
Low Volt. reconnect | 2.8~7.4V (Programmable) | 8.6~16.0V (Programmable, Default: 9.8V) |
0ºC Charging protection | Yes, No, Slow (Programmable) |
Panel Parameters | Max Volt. on PV terminal | 7V/15V | 23V |
Dusk/Dawn detect volt | 1.0~3.0V (Programmable) | 3.0~8.0V (Programmable) |
Day/Night delay time | 0~30min (Programmable) |
Load Parameters | Max output current | 1.6A | 4A |
Output Volt. | 12±0.5V |
Output current | 1~20W | 1~48W |
Max load driver efficiency | 92%@3.2V | 95%@12V |
Work mode | Stantard(24H),Day Mode,Night Mode,Day+Night Mode (Programmable) |
System Parameters | Self consumption | 8mA@Transport Mode |
Dimensions | 76.4*61*20.7mm | 76.4*74.5*20.7mm |
Weight | 150g | 190g |
Wire size | 4mm2 |
Ambient temperature | -35~+60ºC |
Ambient humidity | 0~100%RH |
Protection degree | IP67 |
Max Altitede | 4000m |