LDG INTERNAL BATTERY MOD - Li Ion cells

This antenna tuners work from 7 to 15V. It is a wide range. I considered that 12V was optimal as I could be using the existing power connector to connect a 12.8V battery charger with no risks.
I decided to use AA size batteries for better fit. Also a BMS S3 is a must.
Remember that now you can only connect a 12.8V charger to the power input.
I hope you find this useful.
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