hi, i charged batterie fully & left it 3 days , it still read 12.7 v i got a reading of 14.5 with it running . i then rode it 40 miles (no lights on, using indicators sparingly) ran well,ater 35 m no indicaters, 1mile later spluttered to astop espesially when using brake light .waited 5mins batterie recovered started easy ran for about 3 miles batterie 11.5 after i spluttered home