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3.2V 3.7V Lithium Battery Charging Controller Module Solar Controller Board Solar Panel Controller Module for 6V 12V
CONVENIENT: Solar circuit board controller is practical. Charging during the day, turning on the lights automatically in the evening without human intervention.
MULTI : Battery charging control module equipped with over‑ and over‑discharge make you do not have to add protective board on it.
SMALL VOLUME: The lithium battery control circuit boad is controlled by singlechip to realize small volume with multi‑function, can bring you more convenience.
Michael Smith
Reviewed in the United States on September 23, 2024
I used this as a small charge controller for a meshtastic node. Works very well, no problems so far.
amateur hobbyist
Reviewed in the United States on December 12, 2024
There appears to be 3 jumpers... not clear on what each jumper or combination of jumpers do. I assume to set the battery charge voltage or operation mode?
TM
Reviewed in the United States on November 25, 2023
I might be wrong but it looks like this is the same type of board that are used in larger Lifepo4 batteries. It's a basic setup but works. Anybody who is looking to build a no-frills charging setup will like this. I am using this on a wind wheel that produces power for the backup power unit. Five stars from me. I hope this helps to make a decision.
Steve in FL
Reviewed in the United States on November 11, 2023
The battery used was a 3.2 volt LifePO4 lithium iron phosphate 1000 mah version (max. charge voltage of 3.65v), purchased through Amazon. The (subject) Lithium charging controllers’ directions are: 1st connect the battery, LED, and finally the solar panel. The controller will then “identify” what voltage and type of battery is connected by the no. of flashes from on-board LED, there were 2 flashes, indicating a 3.7v lithium battery (wrong). Knowing a 3.2v battery was connected I provided the “S2” jumper required for that battery voltage. The battery charged to 3.5volts, then charge current cutoff (note: 3.65v is safe limit). The solar charging and on/off control operated as expected. The battery ID and charging inconsistencies described may be my misinterpretation of the directions as difficult to understand. Another question is, what required jumpers, if any, are required if 3.7v, 6v, or 12v battery is “identified. ”There are not any obvious "procedures"/instructions for those battery voltages!?
ALAN NOEL
Reviewed in the United States on April 1, 2023
Could use better instructions but when everything is soldered it works great
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