Please connect the battery first, then the LED and finally the solar panel

Applicable battery voltage: 3.7V lithium battery / 6v12v lead acid battery / 3.2V lithium iron phosphate battery

With overcharge and discharge protection. Battery type identification voltage range:

The identification range of 3.2V single section iron lithium is ≈ 2.5-4.0v;

The identification range of 3.7V single lithium battery is ≈ 3.0-4.4v;

The identification range of 6.0V lead-acid battery is ≈ 5.0-7.5v;

The identification range of 12.0V lead-acid battery is ≈ 9.0-15.0v;

After the battery end of the circuit board is powered on, the output end indicates the battery type by flashing light. Flash once, circuit board identification

Single lithium iron phosphate battery and run the relevant procedures of single lithium iron phosphate battery; Flash the light twice, the circuit board identifies a single lithium battery and runs the relevant procedures of a single lithium battery; Flash the light for 3 times, identify the 6V lead-acid battery on the circuit board, and run the relevant procedures of 6V lead-acid battery; Flash the light for 4 times, the circuit board identifies the 12V lead-acid battery, and runs the relevant procedures of 12V lead-acid battery.

Maximum charging current: < 3A

Maximum discharge current: < 1.1A

Solar panel input voltage: battery voltage X1.5 = solar panel voltage

Instructions

I. Characteristics:

Over-protection;

Over-discharge protection;

Charging current < 3A;

Load current < 1.1A;

Output with self-recovery fuse;

It can be set to constant light or flash.

Low power design of PCB as a whole;

Lead-acid batteries 6V, 12V, FeLi 3.2V and Li 3.7V can be used.

Anti-light interference function, after lighting, about 5 seconds strong light does not turn off the lamp, after 5 seconds lights out;

Optical control or can be set to non-optical control, default light control, charging during the day, automatic lighting at night;

Circuit boards are controlled by single-chip computer, which realizes small volume and multi-function. Circuit boards size is 20mm*35mm.

2.Applicable occasions:

1. It can be used in solar warning lamp, solar flash lamp, solar street sign, solar guide sign, solar navigation sign lamp and other places.

2. It can be used for solar landscape lamp, solar street lamp, solar energy relay, solar energy monitoring, solar energy billboards, etc.

This circuit board does not have the function of lamp driver. When low cost driver is needed, the self-recovery fuse on the circuit board can be replaced by suitable resistance to drive the LED. However, in this application, the following points should be paid attention to: first, the driving current should be controlled within 1.1A; second, the power consumption and temperature rise of current limiting resistance should be controlled reasonably. Scope.

6. Battery setting:

For 6V and 12V lead-acid batteries and 3.7V single lithium batteries, circuit boards are judged automatically according to voltage. For 3.2V single lithium iron phosphate battery, the voltage overlaps with 3.7V single lithium iron phosphate battery, so it needs to be set manually when using 3.2V single lithium iron phosphate battery.

The open circuit of S2 short circuit point on circuit board corresponds to lead-acid 6V battery, lead-acid 12V battery and single 3.7V lithium battery, and short connection corresponds to single 3.2V lithium iron phosphate battery. S2 defaults to open state.

This circuit board only supports the four types of batteries mentioned above. Other batteries are not supported. Do not use other types of batteries. If you need to use other types of batteries, please