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12V/24V Solar Charge Controller Features
High converting efficiency higher than 99.5% for minimizing energy loss
Build-in MPPT tracker for optimizing the power transformationReversed current protection for preventing equipment damageAutomatic battery temperature compensation for long-term reliabilityCapable of selecting different charging mode for various type of batteriesCapable of connecting additional DC load for wider applicationsThree stage charge control system (bulk, absorption, and float mode) with temperature compensation LED indicators display charge status in real timePulse Width Modulation (PWM) topology combined with a multi-stage charge control algorithm leads to superior charging and enhanced battery performance
MODEL | SMS-40A | |
Rated Voltage | 12/24 VDC | |
Power | 40A | |
Load current | 15A, can up to 40A | |
Input voltage range | 15-55VDC | |
Max. PV open circuit array voltage | 55VDC | |
Typical idle consumption | At idle < 10mA | |
Overload protection (DC load) | 2.0*Inom>5s 1.5*Inom >20s 1.25*Inom temperature controlled | |
Bulk charge | 14.6V(default) | 29.2V(default) |
Floating charge | 13.4V(default) | 26.8V(default) |
Equalization charge | 14.0V(default) | 28.0V(default) |
Over charge disconnection | 14.8V | 29.6V |
Over charge recovery | 13.6V | 27.2V |
Over discharge disconnection | 10.8 V (default) | 21.6V(default) |
Over discharge reconnection | 12.3V | 24.6V |
Temperature compensation | -13.2mV/ | -26.4mV/ |
Lead acid battery settings | Adjustable | |
NiCad battery settings | Adjustable | |
Load control mode | 1. Low Voltage Reconnect (LVR): Adjustable 2. Low Voltage Disconnect (LVD): Automatic disconnection 3. Reconnection: Includes warning flash before disconnect and reconnection | |
Low voltage reconnect | 12.0-14.0 Vdc | 24.0-28.0 Vdc |
Low voltage disconnect | 10.5-12.5 Vdc | 21.0-25.0 Vdc |
Ambient temperature | 0-40(full load) 4060(de-rating) | |
Altitude | Operating 5000 m, Non-Operating 16000 m | |
Protection class | IP21 | |
Battery temperature sensor | BTS - optional remote battery temperature sensor for increased charging precision | |
Terminal size (fine/single wire) | #8 AWG | |
Solar charge Controller 12V/24V