6.4 Charger
The battery charger supplied by Karma is for indoor use only, it must be
protected from moisture and external heat source.
● Before charging, make sure to set the 115V 230V switch to match the
local AC voltage. If the switch is improperly set to a lower or higher
voltage position, it will cause damage to the charger, and, change the
115V 230V switch settings only when charger is disconnected from
AC line voltage.
● The fan inside the charger will start to work when you turn on the
charger. (for 8A charger will start to work as the temperature reaches
higher than 50℃ and stop running when the temperature is lower than
50℃) If you find that the fan does not function properly, DO NOT use the
charger. Otherwise, the charger may overheat and start a fire.
6.5 Batteries
6.5.1 Do not expose the batteries to temperatures below -10℃(14°F) or
above 50℃(122°F) when charging or storing the vehicle.
6.5.2 Exceeding the specified temperature range can lead to either freezing
or overheating of the batteries. This will damage the batteries and
shorten their lives.
6.5.3 The batteries used on your wheelchair are maintenance free sealed lead
acid batteries. Thus, it is not necessary to change or refill the battery
liquid.
● Do not open the battery seal cap at any time.
● After ANY adjustments, repair or service and BEFORE use, make sure that
all hardware is tightened securely. Otherwise, injury or damage may
occur.
● When removing/installing batteries, keep all foreign objects, especially
metal, away from battery terminals.
● When the batteries fail to function, for environmental and safety
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