Fishman Rechargeable Battery Pack STBK

It is a very good idea for turning your strat into an active monster, but it needs some improvements, imho.

First of all, the micro USB socket should clearly be a USB-C socket at this point in time, and it absolutely should have a cover because, when you start sweating like crazy during a concert, sweat will get into the socket and start to corrode it, potentially leading to damage and even to shorts, which can be quite dangerous. Also, the electric cables of the unit are very, very thin; they could really use an upgrade because they are easily damaged.

Other than that, it really is a good idea and a useful tool, just not perfect yet.