8 General test conditions 8.1 Sampling of batteries All tests shall be carried out on new battery samples. Samples shall be considered as "new" not later than: – 30 days after shipment date of the manufacturer in the case of filled batteries; – 60 days after shipment date of the manufacturer in the case of dry-charged or chargeconserved batteries. 8.2 Preparation of batteries prior to test – Definition of a fully-charged battery All tests, except that in 9.10, shall commence with fully-charged batteries. Vented batteries shall be considered as fully-charged if they have undergone one of the two charging procedures of 8.2.1 or 8.2.2 carried out at 25 °C ± 10 °C. If necessary, an appropriate temperature control system, for example a water bath, shall be used. Valve regulated batteries shall be considered as fully-charged if they have undergone one of the two charging procedures of 8.2.3 or 8.2.4 carried out at 25 °C ± 10 °C. If necessary, an appropriate temperature control system, for example a water bath, shall be used.