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1. Connecting the charger- The
sequence of connections is very important for the charger's
computer operation. First, connect the color-coded leads
to the battery. Then, plug the charger into the AC outlet.
If you mistakenly connect the battery backwards (negative
to positive) or short the charger leads together, no damage
or sparks occur—only
a RED light comes on to indicate the possible mistake.
2. Initial - When the charger (already connected
to the battery) is initially plugged in, the unit's computer
sends intermittently, a small ( Bias ) current
into the battery and then monitors the battery's response
to determine its charge state. A RED light may come on
briefly if the battery was excessively discharged, but
it should go off within the first few minutes. (This phase
of charging is not shown on the figure below.)
3. Bulk charge mode - When the charger determines that the
battery can safely take a charge, it goes into the bulk
mode where the full capacity of the charger is applied
to the battery until it is 80% charged. In this mode,
the YELLOW light come on.
4. Absorption charge mode- Once the battery is
80% charged, the computer within the charger tapers the
current from 100% to 33% of charger capacity until the
battery reaches full charge. The light will remain YELLOW
during this phase.
5. Float charge- After full charge has been reached, a
GREEN light comes on, indicating the battery is ready for
use. The computer switched to the 4 th part of the cycle,
that of a temperature compensated float charger. The unit
is now in its maintenance mode, keeping the battery in
its ideal charged state. Once the battery has reached this
ideal state, all of our chargers maintain this condition
without causing "boil-off “, heating, or permitting the
battery's lead plates to sulfate. This means you can leave
your batteries connected to the charger overnight, over
the weekend, or indefinitely, knowing that when you take
them to the field, they are in the ideal state.
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- Lead-Acid Batteris: Our
lead-acid batteries use a gelled-electrolyte in a sealed,
high impact plastic case. Show here on the left is our
6 volt 10 AmpHour battery. The construction of these high
power-to-weight batteries eliminates the need to ever water
or worry about spilling acid. The units are completely rechargeable
and weigh 4 and 8 lbs for the 6 and 12 VDC versions, respectively;
both batteries are rated at 10 AmpHrs. See our
battery product page for
additional battery sizes. Please
contact us with questions
regarding appropriate chargers, batteries, or charging
techniques for your application.
- Disposable Batteries: For individuals
desiring the convenience of disposable batteries, all of
our 6 volt traps are available with a 4-D
Cell Battery Holder (Model 1.50) that will hold 4 D-cells
- enough capacity for 1 or 2 night's operations, depending
on trap and battery type.
- Solar-Powered Battery Chargers: Our solar-powered
battery chargers are available in 6 or 12 VDC
units depending upon voltage and amperage requirements of
your traps. Solar Charger
Model SA (Model 2.50) is for 6 volt traps; it is capable
of replenishing the power used during the previous night
(ca. 2.0 Amps) during the following day. The
Solar Charger Model CD (Model 2.60) is for 12 volt traps and
can recharge a single battery which has been used to power
a blacklight trap for 10 or more hours (ca. 5 Amps). Both
units complete with power cords, stands, and instructions.
Both are protected from reverse-polarity connection.
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Tutorial 
