battery of other electrical part may cause an explosion.
• Remove personal metal items such as rings, bracelets, necklaces, and watches
when working with a lead-acid battery.
• A lead-acid battery can produces a short-circuit current high enough to weld a
ring or the like to metal, causing severe burns.
FEATURES
Automatic and Intelligent 9-Stage Charging Curve
The DISCOVERY 250 is controlled by a microprocessor with 9-stage charging cha-
racteristic for charging batteries automobiles, motorcycles, snow mobiles, tractors,
personal watercraft, boats etc.
A microprocessor senses the condition of the battery to provide the right current and
voltage to the battery (charging characteristic). This will give the best effect on char-
ging and give the longest life to battery.
Charging characteristic:
Battery Test and Precharge (Stage 1):
Check the battery voltage to make sure battery connections are good and the battery
is in a stable condition before beginning the charge process
Desulphation (Stage2):
Detects sulfated batteries. Pulsing current and voltage (1’’ charge and 0.5’’ dischar-
ge), removes sulfate from the lead plates of the battery restoring the battery capacity.
If the change of battery voltage exceeds the set voltage during charging and dischar-
ging, it enters next mode after 4 hours; if the change is less than 3V (12V mode)
or 6V (24V mode), it enters next mode without desulphurization repair (in about 10
seconds).
Soft Start (Stage 3):
Initial battery test to determine battery condition. If the battery is severely dischar-
ged, charger will begin the Soft Start stage. Charging starts with reduced current
until battery voltage reaches a normal condition for charge.
Bulk (Stage 4):
Major charging stage where the battery receives the majority of its charge.
During this stage the battery brought to 70-85% of its charge. The charger delivers
maximum current until the terminal voltage has risen to the full charge level for Nor-
mal battery.
Absorption (Stage 5):
Completes the charge up to virtually 100% at a constant voltage. The current tapers
off after the current reached the minimum level.
Recondition (Stage 6):
Select “Recondition” mode, charged by higher voltage to recondition the sulfate of
the battery to save battery life. This stage is available only for STD/GEL/AGM 12V
batteries.
Analysis (Stage 7):
Tests if the battery can hold charge. Batteries that can not hold charge may need to
be replaced.
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