Advanced Charger Setup (continued)
19.Once desired display settings are enabled press Back.
20.Press the left 
or right 
arrow button to scroll to the Battery window.
21.Press the Select button.
Table E: Default Voltages by Battery Type
Batteries should match in chemistry, although many AGM’s and flooded batteries are compatible. Based on 25°C (77°F)
Type | Absorb Volts | Float Volts |
FLA – Flooded Lead Acid | 14.5V | 13.5V |
|
|
|
AGM – Absorbed Glass Mat | 14.35V | 13.3V |
|
|
|
Gel – Gelled Electrolyte | 14.1V | 13.5V |
|
|
|
TPPL – Thin Plate Pure Lead | 14.7V | 13.6V¹ |
User Adjustable | 12.5V Default | 12.5V Default |
|
|
|
¹Taken from Odyssey Tech Notes, Northstar operation Manual
22.While the cursor blinks on battery type press the Select button.
23.Use the left 
or right 
arrow buttons to scroll to desired battery type.
24.Press the OK button.
P12
7521 AND 7522 BATTERY CHARGERS
25. For optimal charging it is recommended to set absorption timers and End Absorb Amps. If Amp Hour Capacity is known, continue to page 14 for more information.
NOTE: to adjust Absorb and Float voltage “User” must be the selected battery type. The default Absorb voltages for each battery type can be seen in Table E above.
Warning: Incorrect Absorb and Float voltages could reduce the life of your batteries. Contact your battery manufacturer for recommended Absorb and Float voltages.
CAUTION 
Selecting a battery type different from the connected batteries could limit the life of the batteries and damage them.
26.Press the Back button twice to return to the Charger Summary screen.
27.Your P12 Battery Charger is now setup and fully operational.
Reset to Manufacturer Defaults
To reset the P12 Battery Charger to factory defaults, press and hold the two right buttons for ten seconds.
Press the OK button for five seconds to proceed with resetting to factory defaults or press the Cancel button to return to the previous screen. Note: Resetting the P12 Battery Charger to factory defaults will erase previously saved data and settings.
Specifications are subject to change. See bluesea.com/P12 for current information. | 13 |