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TWO-STEP VOLTAGE JACK

The two-step voltage jack allows switching from a long-term 
float voltage to a ‘high-stage’ voltage. When the included 
dual voltage plug is inserted in the jack*, the voltage rises to 
a bulk voltage for occasional fast charging. When the plug 
is removed, the voltage drops to the float voltage to reduce 
battery water loss (voltages vary depending on the output 
ratings of the DLS). 

WARNING: To avoid battery damage, 

remove the Dual Voltage Plug when quick-charging is 
complete.  
NOTE: If the unit is equipped with an internal 
IQ4 smart charger, two-step charging is not needed and the 
Dual Voltage Jack is disabled.

CHARGE CONTROL

THE IQ4 LED INDICATOR 

(ONLY ON IOTA mODELS WITH INTERNAL IQ4)

IOTA Models with an internal IQ4 smart-charger give the 
user the benefit of automatic Bulk, Absorption, and Float 
stage charging. This increases the charging capacity of 
the IOTA charger, decreases charge times and insures 
proper and safe battery charging without over-charging. 
The green LED on the fan end of the unit will indicate which 
charging phase the IOTA unit is currently in. When the unit 
is first activated, the LED will flash as it reads the number 
of cells in the battery. The unit will then proceed directly 
to the Bulk charging or Float charging phase depending 
on the charge status of the battery. Use the LED CODE 
TABLE for reference when checking the LED. Units that do 
not have an internal IQ4 smart-charger can easily install 
an external IQ4 that plugs into the available Dual Voltage 
Jack. Contact Customer Service for more information.

*Actual component locations may vary depending on model.

Location of the Dual Voltage Jack may vary depending on model.

ILLUSTRATION 1 - DLS CONNECTIONS*

ILLUSTRATION 3 - DUAL VOLTAGE JACK

DSL-240-27-40

DUAL VOLTAGE JACK

DSL-240-27-25

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