AS Axis Spindleon 1 Pack 9V Battery Box EP-2935-023 Compatible with Acoustic Guitar Preamps

9V battery box compatibility compatible with acoustic guitar active preamp systems that use a standard 9V battery, vertical mount fits most control cavities for upgrades, repairs and luthier builds. EP-2935-023 OEM number reference confirms a direct style match for many existing 9V battery compartments in acoustic electric instruments, verify cutout and screw spacing before purchase. ABS plastic housing with latching door and pre wired red and black leads enables quick battery swaps and secure retention, vertical orientation keeps wiring neat and helps reduce unwanted rattling during play. Guitar electronics upgrade useful for replacing broken holders and adding onboard preamps or piezo pickup systems, supports steady 9V power to preamps, tuners and small modules for reliable performance. Home studio and stage application suitable for practice rooms, live rigs, school workshops and repair benches, included screws simplify panel mounting, battery not included for shipping compliance.