12V/24V Solar Charge Controller
Features
High converting efficiency higher than 99.5% for minimizing energy loss
1 Build-in MPPT tracker for optimizing the power transformation
2 Reversed current protection for preventing equipment damage
3 Automatic battery temperature compensation for long-term reliability
4 Capable of selecting different charging mode for various type of batteries
5 Capable of connecting additional DC load for wider applications
6 Three stage charge control system (bulk, absorption, and float mode) with temperature compensation
7 LED indicators display charge status in real time
8 Pulse Width Modulation (PWM) topology combined with a multi-stage charge control algorithm leads to superior charging and enhanced battery performance
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MODEL |
SMS-40A |
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Rated Voltage |
12/24 VDC |
|
Power |
40A |
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Load current |
15A, can up to 40A |
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Input voltage range |
15-55VDC |
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Max. PV open circuit array voltage |
55VDC |
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Typical idle consumption |
At idle < 10mA |
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Overload protection (DC load) |
2.0*Inom> 5s 1.5*Inom > 20s 1.25*Inom temperature controlled |
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Bulk charge |
14.6V(default) |
29.2V(default) |
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Floating charge |
13.4V(default) |
26.8V(default) |
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Equalization charge |
14.0V(default) |
28.0V(default) |
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Over charge disconnection |
14.8V |
29.6V |
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Over charge recovery |
13.6V |
27.2V |
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Over discharge disconnection |
10.8 V (default) |
21.6V(default) |
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Over discharge reconnection |
12.3V |
24.6V |
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Temperature compensation |
-13.2mV/degree |
-26.4mV/degree |
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Lead acid battery settings |
Adjustable |
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NiCad battery settings |
Adjustable |
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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 |
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Low voltage reconnect |
12.0-14.0 Vdc |
24.0-28.0 Vdc |
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Low voltage disconnect |
10.5-12.5 Vdc |
21.0-25.0 Vdc |
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Ambient temperature |
0-40 degree(full load) 40 to 60 degree (de-rating) |
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Altitude |
Operating 5000 m, Non-Operating 16000 m |
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Protection class |
IP21 |
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Battery temperature sensor |
BTS - optional remote battery temperature sensor for increased charging precision |
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Terminal size (fine/single wire) |
#8 AWG |
Shenzhen Sunray Power Co., Ltd. Established in Shenzhen in 1999, which is a professional and rapidly growing company within Uninterrupted Power Supply (UPS), DC To AC Power Inverter and Voltage Regulators (AVR), battery industry. We specialized in OnLine UPS & OffLine UPS, Modified and Pure Sine Wave Power Inverters, Solar inverter, Voltage Regulators (AVR) and designed three stage Battery Chargers.
Our HQ is in Shenzhen - the window city of China! We set up production bases for UPS device and maintenance free batteries separately. We are adopting advanced intelligent digital UPS power supply technology as well as most advanced AGM lead acid rechargeable battery technology, designing and producing intelligent backup style, online style UPS power supply and valve-controlled lead acid rechargeable batteries as per modernized professional standards.
The mission of our factory:
Uncompromising quality: We strive to build the safest and most reliable UPS;
Constantly technological innovation: We strive to create the best and most innovative products in the world;
Standard & efficient services: We provide the most professional and efficient services and strive to satisfy our customers.
