Your YYK525 contains a that degrades with electromagnetic exposure. The standard manual never mentions this. To maintain peak performance, follow this exclusive 90-day maintenance cycle:
: Features a 180° rotatable ear hook, allowing it to be worn comfortably on either the left or right ear. yyk525 user manual exclusive
If the YYK525 displays do not panic. The device is detecting the total pack voltage but not the balance lead. Remove the main lead, clean the contacts with isopropyl alcohol, and reconnect the balance lead before the main lead. Your YYK525 contains a that degrades with electromagnetic
Thank you for choosing the YYK525. Engineered for excellence. clean the contacts with isopropyl alcohol