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Charging the ROC - RK3399 - MEZZ - M2 - POE

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Posted at 3/8/2019 21:27:49     
I dug out my old RC iMax b6 lipo charger to try and charge the battery.
It can balance charge a 2 cell lipo.
On the charger there is a 3 pin balance charging socket which measures and controls the charging.
On the   ROC - RK3399 - MEZZ - M2 - POE  there is a 3 pin port marked BAT2+ BAT1+ BAT1-.
Do I connect my chargers balance charging socket to the 3 pin port on the POE board?

This is the only document I can find on the battery:
ROC - RK3399 - MEZZ - M2 - POE
3) Onboard battery (dual 7.4V lithium battery)
4) Onboard balanced charging circuit to charge the onboard battery


Thank You
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Posted at 3/12/2019 09:20:41     
Do you want to charge the battery or want to power the board?
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Posted at 3/12/2019 09:45:02     
The 3 pins socket (bat2+,bat1+,bat-) only be connected to the battery,not the charger
IMG_20190311_180623.jpg
IMG_20190311_180633.jpg
QQ图片20190312092604.jpg
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Posted at 3/24/2019 18:27:12     
So as long as it is 7.4v battery it will work? Will C discharge 25c be OK?How long will 2200mah last?
74batt.PNG
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Posted at 3/25/2019 16:36:18     
Plz use the recommended battery for better stability.  The duration depends on the workload.
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