· Innovative Maximum Power Point Tracking(MPPT) technology, tracking efficiency >99.9%
· High charge conversion efficiency up to 97.5%
· Adjustable 5-stage timer for load ouput
· Monitoring of the running status and parameters
· Suitable for Gel, Liquid, AGM and Lithium battery
· Four stage charging: MPPT, boost, equalization, float
· 0℃ Charging Protection(Lithium)
· When BMS power off because of LVD, it can activate the system automatically
· Day/Night threshold can adjust automatically
· Configurable with an LCD remote programmer (S-Unit)
· Waterproof IP67, Strong and durable aluminum case
· Full automatic electronic protect function
Parameters:
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|
Item |
SMR-MPPT1050/RS485 |
SMR-MPPT1575/RS485 |
SMR-MPPT2075/RS485 |
|
|
Battery Parameters |
Max Charging Current |
10A |
15A |
20A |
|
|
System Voltage |
12V |
12V/24V automatical recognization |
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|
Max input power |
130W |
200W/400W |
260W/520W |
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|
Max volt on Bat. Terminal |
25V |
35V |
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Battery Type |
Lithium, Liquid, Gel, AGM (Programmable, default: Gel) |
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|
Liquid, Gel, AGM |
MPPT Charging Voltage |
<14.5V@25℃ |
<14.5/29V@25℃ |
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|
Boost Voltage |
14.5V @25℃ |
14.5/29V@25℃ |
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|
Equalization Voltage |
14.8V @25℃ |
14.8/29.6V @25℃ (Liquid, AGM) |
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|
Float Voltage |
13.7V @25℃ |
13.7/27.4V@25℃ |
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|
Low Volt. Disconnect |
10.8~11.8V |
10.8~11.8V/21.6~23.6V (Default: 11.2/22.4V） |
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|
Reconnect Voltage |
11.4~12.8V |
11.4~12.8V/22.8~25.6V (Default: 12.0/24.0V） |
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Overcharge Protect |
15.5V |
15.5/31.0V |
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|
Temp. Compensation |
-4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float) |
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Lithium |
Charging voltage target |
10.0~17.0V |
10.0~32.0V (Programmable) |
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|
Charging voltage recovery |
9.2~16.8V |
9.2~31.8V (Lithium, Programmable） |
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|
Low voltage disconnect |
9.0~15.0V |
9.0~30.0V (Lithium, Programmable） |
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|
Low voltage reconnect |
9.6~16.0V |
9.6~31.0V (Programmable) |
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0℃ Charging protection |
Yes, No, Slow(Default: Yes) |
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Panel Parameters |
Max volt on PV terminal *1 |
45V |
55V |
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|
Dusk/Dawn detect volt. |
3.0~8.0V |
3.0~20.0V (Programmable） |
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|
Day/Night delay time |
0~30Min (Programmable） |
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|
MPPT tracking range *2 |
(Battery Voltage + 1.0V)~Voc*0.9 |
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|
Max tracking efficiency |
>99.9% |
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|
Load |
Output Current |
10A |
15A |
20A |
|
|
System Parameters |
Max charge conversion |
96.5% |
97.5% |
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|
Communication |
Infared/RS485/BT Infared/RS485 |
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Self consumption |
6mA |
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Dimensions |
85.8*81*23.1mm、 |
85.5*45*30mm |
85.5*45*42.5mm |
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|
Weight |
260g |
600g |
720g |
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|
Ambient temperature |
-35~+60℃ |
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|
Ambient humidity |
0~100%RH |
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|
Protection degree |
IP67 |
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|
Max Altitude |
4000m |
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