Millennium ChessVolt Chess computer battery pack Suitable for M820, M822, M823, M824 and M830

Play chess wherever there is no socket nearby! Suitable for all Millennium chess computers with 9V power supply and many old Mephisto devices. Perfect for garden & balcony, camping and all places where there is no socket in direct proximity. The convenient battery pack is suitable for the Millennium chess computer and accessories with 9V Power supply: M820, M822, M823, M824 and M830. For charging, simply use the supplied adapter of your chess computer. The ChessVolt guarantees many hours of playing time independant of the power supply. Simply connect your chess computer with the supplied cable. Perfect for garden & balcony, camping and all places, where no socket is available. 4 LEDs indicate the charging status. This text is machine translated.