... BatteryColor: BlackQUALITY GUARANTEE:a) All the Power Tool batteries from Himax have life of about 500 cycles under IEC ... charging and discharging according to IEC 61436 Standardb) All the batteries should be free of deformation, leaks, cracks, scars, ... half year on nominal capacityd) Guarantees that all the batteries meet the quality requirement including nominal capacity, dimension accuracy, ...