Sisto from Tentacle Sync shows you how to exchange the internal battery of your SYNC E. Everything you need for this you will find at our shop here: shop.tentaclesync.com/product/battery-exchange-kit-sync-e-tentacle/ or ask your friendly local dealer: tentaclesync.com/resellersCast: Tentacle SyncTags: timecode, sync e, battery, replacement, tentacle sync and exchange