Unattended charging sets of batteries causes fire

Energy type: 
Electricity
 
Event summary: 
A fire started as the result of three sets of batteries being left unattended and charging.
 
Accident ID: 
160329-01
 
Accident date: 
29 March 2016
 
Site: 
Domestic
 
Environment: 
Building
 
Voltage: 
230
 
Equipment: 
Alkaline
 
Accident type: 
Fire
 
Casualty: 
Non-fatality
 
Injury: 
No injury
 
Property damage level: 
Restricted to the direct vicinity of the equipment
 
Outcome of investigation: 

Three sets of batteries and respective chargers were plugged in and unattended in the garage of a domestic dwelling. It is believed that one battery / charger malfunctioned and caught fire, spreading to the others. No make or model information could be determined.