Mazda CX-9 Grand Touring 2009 Manual page 555

WARNING:
CAUTION:
1. Remove the battery and then place it in a pan of water.
2. Remove the battery filler caps.
3. Connect a battery charger to the battery and adjust the charging current as follows.
Battery slow charge current
80D26L (55): 5.5-6.5 A
Battery quick charge current [30 min]
80D26L (55): 35 A
4. After the battery is recharged, verify that the voltage is within the specification and remains at the same
value for 1 h or more after the recharging has been completed.
If not within the specification, replace the battery.
Standard voltage
12.4 V or more
Fig. 4: Identifying Battery & Battery Charger
Courtesy of MAZDA MOTORS CORP.
GENERATOR REMOVAL/INSTALLATION [MZI-3.7]
2008 Mazda CX-9 Grand Touring
2008 ENGINE Charging System (MZI-3.7) - Mazda CX-9
Keep all flames away from the battery, otherwise evaporated gas
from the battery fluid may catch fire, and cause serious injury.
Remove the battery filler caps when recharging to prevent battery
deformation or damage.
Do not quick charge for more than 30 min. It will damage the battery.