Power & charging
Choose a charger for a parked car by battery chemistry, voltage and maintenance mode, with connection checks and clear reasons to stop.
1
For a car parked for weeks, consider an automatic charger with a maintenance mode approved for its battery. Confirm voltage, chemistry and the vehicle connection procedure before using it.
No. Charging can restore charge to a serviceable battery, but it cannot reverse every internal fault or age-related loss of capacity. Repeated starting trouble needs testing.
Only a system suited to the battery and fitted with the necessary charge control should be considered. Shade, parking position and a socket that switches off with the ignition can prevent useful charging.
Charge them separately unless the equipment expressly supports independent battery outputs. Confirm compatibility for each car; do not join batteries with improvised leads.
Do not assume so. Accessory demand may exceed charger output or the vehicle may restrict operation. Review the accessory installation and have unexplained drain diagnosed.
Read the full guide