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Our experts
can conduct an evaluation, failure analysis, repair, recommendation, and comparison of battery chargers and power supplies.
Bellow you can find some samples of Battery Chargers Evaluation
Reports.
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Data in the table is for 12V/ 10A Battery Charger
DESCRIPTION |
GOOD |
OK |
BAD |
PRICE |
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Size /
weight |
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16.6”x10.7”x5.6” |
AC Voltage
Range |
115 or 230v |
with AC wires reconnection
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2 or 3
Stage Charger |
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3 |
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Output
Current and Voltage |
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max 9.8A at 12V |
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AC Current |
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2.6A AC at 10A
DC load |
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Waterproof |
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NO |
Indicator
of Charging Current, |
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DC Volt and Amp meters |
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AC Voltage
Regulation |
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X |
Reverse
Polarity Protection |
Yes |
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Output
Short Circuit Current |
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10.5Amps DC |
@4.2Amps
AC |
Temperature
Compensation |
Available |
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Output
Ripple |
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x |
Use as
a Power Source |
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NO |
EMI |
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No
class A |
RFI |
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- |
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UL, CE |
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UL, CSA |
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Temperature
on case |
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ok |
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Temperature
inside |
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ok |
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Efficiency |
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58.6% |
Spark
protection |
Yes |
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TIMER |
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No |
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WARRANTY |
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Disadvantages:
1.
The transition point Absorption/Float is
4.7A. A battery can be charged to about 50% of full capacity. See charge curve below.
2.
A
battery will be discharged when unplugged charger is connected to battery for long time. Back flow current is 80mA-200mA
3.
Type of batteries: Lead-Acid or Nickel-Cadmium
only.
Charge curves. |
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Output Current, Voltage and Amp-Hours |
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