http://www.fnirsi.com.cn/home?lang=en-us

http://www.fnirsi.com.cn/product/704369228916068352

http://www.fnirsi.com.cn/download/usb

https://goughlui.com/2023/04/29/review-tested-fnirsi-fnb58-usb-fast-charge-tester/

usb serial

https://github.com/baryluk/fnirsi-usb-power-data-logger

ble

https://github.com/losonsky/FNB58

root@rpi4:/home/pi/FNB58# git remote -v
origin	https://github.com/losonsky/FNB58 (fetch)
origin	https://github.com/losonsky/FNB58 (push)
root@rpi4:/home/pi/FNB58# git diff
diff --git a/fnb58_dump.sh b/fnb58_dump.sh
index 2a63e7f..2f74a74 100755
--- a/fnb58_dump.sh
+++ b/fnb58_dump.sh
@@ -2,6 +2,8 @@

 # just change to your MAC....
 BT_MAC="BA:03:1C:67:56:22";
+# 98:DA:B0:01:D6:15 FNB58-047732
+BT_MAC="98:DA:B0:01:D6:15";

 OLD_IFS=$IFS;

root@rpi4:/home/pi/FNB58#

root@rpi4:/home/pi/FNB58# ./fnb58_dump.sh
connect to 98:DA:B0:01:D6:15: Function not implemented (38)