please can some one advise me what the charging time is with a tech mate for a gps.my bryton runs for about 12 hours before cutting out and i need significantly longer use than that,how long would i need to plug the tech mate in for to get a full charge etc.i tried a quick 25 minutes charge tonight and appeared to get a further 1 hour and 30 minutes ,i have then tried a 40 minute charge and will see how long it last in the morning
