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For 24V to
12V, 12V to 24V, 24V to 24V chargers click here
Custom design and manufacture of
state-of-the-art battery chargers, UPS, and power supplies for OEMs in a
hurry!
Wholesale or Retail Sales, order on-line or by
phone. Usually ships the same day.
| Model Number |
PST-BC1212-15
DCDC Charger OUT OF STOCK
UNTIL LATE SEPT. |
| Input Voltage Range |
10 VDC to 15 VDC |
| Battery Voltage (nominal) |
12 Volts |
| Continuous Charging
Current |
7.5 Amps |
| Charge Current Options |
The peak charge
current can be adjusted to 1-7.5 amps by internal trim pots. |
| Charging Algorithm |
4 stage, 3 level
adaptive microprocessor controlled |
| Battery Size |
0.5 AH to 100 AH |
| Protections |
Low input voltage
protection
High input voltage protection
Over temperature
protection
Output short circuit protection
Battery polarity
protection |
| Dimensions |
200 x 164 x 67
mm
7.9 x 6.7 x 2.8 inches
Click
Here for a Dimensioned Drawing. |
| Connection |
Input: screw
terminals
Output: binding posts |
| Cooling |
Controlled DC Fan |
| Operating Temperature |
0-55°C |
| Remote Turn-on |
When 12 volts is
applied to the center screw of the input terminal the unit will turn on if the
rocker switch is turned off. |
| Weight |
1.5 kg, 3.3
pounds |
| Quantity |
1-10 |
11-100 |
101-500 |
501+ |
| Prices |
$154.00
In stock now! |
$139.57 |
$91.85 |
$74.89 |
XLR Charger Cable |
$12.50
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The following table describes the display of LED
lights at different stages of charging:
| Status |
Completion |
Red LED 1 |
Red LED 2 |
Yellow LED |
Green LED |
| Standby |
|
LEDs cycle while
waiting |
| Trickle before bulk charge |
0-10% |
The two red LEDs cycle
|
Off |
Off |
| Bulk charge |
10-90% |
Off |
Red 2 and yellow cycle
|
Off |
| Fill charge (also known as "over charge") |
90-99% |
|
|
Yellow and green cycle
|
| Float charge |
100% |
|
|
|
Green flash |
| Low battery voltage alarm |
|
Flash |
Off |
Off |
Off |
| High battery voltage alarm |
|
Off |
Flash |
Off |
Off |
| Low input voltage alarm |
|
Flash |
Off |
On |
Off |
| High input voltage alarm |
|
Off |
Flash |
On |
Off |
| Over temperature alarm |
|
Off |
Off |
Flash |
Off |
Q: Can I leave the battery continuously on
the charger?
A: Yes, the charger will go into "maintenance mode" and
keep the battery topped off.
Q: Can I draw power from the battery when
the charger is connected?
A: Probably. . . There is some pulsing going
on with the charger which your equipment might not be happy with (it is a
pulse-charger, 1 second pulses with 20mS gaps), but if you combine this with
the battery the battery will fill in the gaps, so the ripple is no more than it
would see in an automotive application.
Q: If I discharge the battery
while the charger is attached will the charger maintain a full
charge?
A: Yes, When the charger detects that the battery voltage has
dropped it knows that the battery needs to be charged and goes into "bulk
charge" mode again automatically.
Q: Can the charger be left connected to
the battery when the charger is not turned on, or when the input voltage of the
charger has been cut off?
A: Yes.
Q: Can the charger be adjusted
to lower currents?
A: Yes. There are two trimpots that we can adjust
here or give you the procedure to do the adjustments.
Q: Can I charge my
12 volt golf caddy from my car?
Yes, the charge time should be less than
2 hours for a fully depleted golf trolley.
Advantages:
 Inexpensive DC input
charger.
Protects even small 12
volt batteries from gassing or damage.
Charge efficiency is 95% for the a SLA, VRLA, or Gel
Cell battery and 85% for the charger, making a combined efficiency of 81%. So a
100 AH 12 volt battery would be able to charge a 10 AH 12 volt battery 8 or 9
times before the host battery needed recharge.
Applications:
Charging wheel chairs,
bicycles, and scooters in a car, van or bus.
Microprocessor controlled
4 stage adaptive charging algorithm suitable for Gel, Absorbed Glass Mat, VRLA,
or flooded lead acid batteries.
Fully automatic without
intervention.
Two current settings for
different battery capacity. Select "low" if the battery is less than 7 AH in
capacity.
Output short circuit and
battery polarity protections. Input low voltage and high voltage
connections.
Charging 12 volt sealed
lead acid batteries from a vehicle.
Charging 12 volt "jump
start" batteries from a 12 volt tow truck or service vehicle.
Charging 12 volt electric
bicycle from a vehicle.
Four stage charge--constant current, constant voltage,
fill, and float. This charges your battery the fastest way possible without
damaging the battery. It is suitable for any size 12 volt lead acid
battery.
Installation Notes:
- A qualified automotive electrical technician should
be used to wire the charger into the vehicle.
- The BC-1212-15 converts 12 volt power into 13.8
volt power for charging, so for a 7.5 amp output the input needs over 9 amps.
Make sure that the wires connecting the BC-1212-15 are adequate for the current
and the length of the run. If the voltage drop in the wires are too much the
"Low Battery Voltage" alarm will come on. Wires that are too small may also
overheat and melt the insulation, causing a dangerous situation. 12 gauge is
usually adequate for runs up to 20 feet of wire (adding together the positive
and negative wire lengths). If 9 amps is not available we (or you) can also
lower the output current by internal adjustments to match your needs.
- PowerStream does have the connector that fits into
many wheelchairs (we have the 3 pin
XLR style in stock). Consult the manufacturer or a wheel chair technician
to obtain the proper cable and plug. (If you know about such things please
educate us!)
- Try to connect or disconnect the battery when the
charger power is "on." It is possible but extremely rare for the charger to go
into a fault mode if the battery is connected first, but cycling the power
switch will clear this "false fault."
- It is OK to leave the unit on the charger when the
power to the charger goes on and off.
- Mount the BC-1212-15 in an area that will get
adequate ventilation and will be free from rain, spray, or excessive dust.
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Fax: 801-764-9061
