Loom Solar 20Watt Street Light with 18AH 12.8V LFP Battery and 75 Watt Mono Perc Panel


Loom Solar-20W LED solar street light with inbuilt Lithium ferro phosphate battery. This solar light have controller is integrated with LED driver. And this also can save the cost of Led driver. The maximum conversion efficiency reaches 96%. The output current can be adjusted for 4 time frames. With fully sealed waterproof design and wide output voltage has better efficiency.

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  • Adopt the integrating technology of control and constant current, and save the cost of the LED drive power supply for users.
  • With the function of 4 time frames power regulation, Users can dim LED lamps’ output power.
  • The controller adopts fully sealed waterproof design. The IP grade reaches IP67. The controller can be used in the water.
  • Flexible and adjustable working parameter makes the controller adapt to different solar systems.
  • This light can withstand from -35℃ to 80℃ high and low temperature, so it can adapt to extreme temperature.
  • Loom Solar-20W has an optional function that the controller can automatically drop load’s power when battery is lower than 12.5V. This function let the lights work for longer days in rainy season.
  • Another optional function of Loom Solar-20W is that it can adjust the working time automatically in different seasons. In winter, the working time becomes long, while in summer, the working time becomes short automatically.


  • Connect the battery to terminals. At the moment, the IDLE indicator is on. After 30 seconds, the lamp is turned on;
  • Connect the solar panel to the controller. If at daytime, after 70 seconds, the CHARGE indicator is on and the lamp will be turned off


  • Please connecting wires in order. Wrong wire connection lead to system’s misjudgment and controller’s damage.


State Idle (green) Charge (green) Discharge (red) Remarks
Idle on off off Normal
Charge off on off Normal
Discharge off off on Normal
finish discharging on on off Normal


State Idle (green) Charge (green) Discharge (red) Remarks
output end over power protection off on Slow flicker Abnormal. Check whether the output power is more than rated power.
Low voltage of Battery on on Slow flicker Normal
output hardware open circuit protection on on Fast flicker Abnormal. Check whether the output end is open circuit.
Abnormal input voltage protection on Fast flicker off Abnormal. Check whether wiring is correct.
Over current protection of Charging off Slow flicker off Abnormal. Check whether solar panel is out of the range of this model.
wrong model Fast flicker Fast flicker Fast flicker Abnormal. Reset right model No. or return to factory.
1)     No flicker means OK;

2)     Slow flicker (2 seconds) means recoverable error. There is no need to solve the error manually;

3)   Fast flicker (0.5 seconds) means unrecoverable error. The error need to be solved manually.



Model LoomSolar-20W-Streetlight
Input voltage DC12V
Self consumption Average static power consumption 10mA
Max. charging current 10A
Max. output power 20W(12V)
Max. conversion efficiency 96%
Output current error ±3%
Output current 300mA – 4000mA
Max. solar panel voltage DC55V
Working temperature -35℃ ~ 80℃ degree Celsius
Charging mode MPPT mode
Light Body Aluminum Die Casted
LED Make and Lumens SAMSUNG/ >2340lm or >130lm per watt
CCT 5600-6500K
Lithium Ferro phosphate Battery 20AH 12.8V
Optics used Yes (As per IENSA Type-II)
Working mode Light controlling, time controlling, output current adjustable in 4 time intervals
Over-charging protection voltage 14.5V(normal temperature,with temperature compensation)
Under voltage protection 10.8V
Exit under voltage protection 11.5V
Weight 4.4kg
GI Pole with Paited 6mtr OD-76mm Thick-1.8mm complete with wire
Solar Module Loom Solar 75Watt/ IEC Approved/MNRE Approved


Safety and Protections:

Lightning protection, overcharge and over discharge protection, reverse polarity protection, reverse current protection at night, output end protection(open circuit, over current, over voltage, over power), and over temperature protection.

Warranty :  3 Years


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