Last Updated: 1 December 2016

3.2 

3-2
PREPARATION OF BATTERIES BEFORE TEST — DEFINITION OF A FULLY — CHARGED BATTERY

All tests, except the cold cranking amps test of a dry or conserved charge battery, shall commence with fully-charged batteries.

To be considered fully-charged a battery shall—

  • (a)for vented batteries

    Be charged at a voltage of 16 V ±0.1 V for 24 h with the maximum current limited to 0.15 Crr (see paragraph 1.3.1). The battery temperature shall be maintained in the range 25°C to 35°C. If necessary, an appropriate environmental control system shall be used, eg a water bath;

  • (b)for valve-regulated batteries

    Be charged at a voltage of 14.1 V ± 0.1 V for 24 h. The battery temperature shall be maintained below 25°C. If necessary, an appropriate environmental control system shall be used, eg a water bath.