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January 17, 2017

Remote Charging Board for Lead Acid Batteries

Superbly Engineered Products, Retail, Wholesale, and Custom Designed!



We had a problem. A lead acid battery is located a couple hundred feet away from the AC outlet and we needed to charge it. We don't want to run AC out there, we want low voltage DC for obvious safety reasons. But the voltage drop in the wiring will prevent the battery from charging properly, and the voltage drop is dependent on the current, which makes the charging very slow.

So we invented this charging board. The idea is that you can give the charging board between 18 and 28 volts and it will charge a 12 volt battery. The internal DC converter can accept a wide range of input voltage and then accurately charge the battery.

Detailed Specifications PST-CHB0643 PST-CHB0644
Max Charge Current 2.8 Amps 4.15 Amps
Input 18-28 VDC
Type of battery Lead acid, VRLA, SLA, etc.
Nominal Battery Voltage 12 Volts
Battery Capacity 1 to 40+ Amp-Hours
Size of board 66 x 110 x 25 mm
LED indicators Three LEDs on front plate indicate charging, charged, or fault.
Red-- Reverse polarity or fault
Yellow-- Battery is charging
Green-- Battery is charged and on float charge
  Samples in Stock
Drawing Click here for the mechanical drawing and pin outs
Model Quantity 1-10 11-100 101-500
PST-CHB0643 (2.8 amp) $141.52
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$117.96
$98.30
PST-CHB0644 (4.15 amp) $141.52
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$117.96
$98.30

Maximum distance between charging board and power supply for the 4.15 amp charge board
Power Supply Voltage 20 AWG 18AWG 16AWG 12AWG
20 Volts 20 feet 32 feet 51 feet 130 feet
24 Volts 60 feet 95 feet 155 feet 390 feet
28 Volts 100 feet 160 feet 255 feet 655 feet
Maximum distance between charging board and power supply for the 2.8 amp charge board
Power Supply Voltage 20 AWG 18AWG 16AWG 12AWG
20 Volts 30 feet 48 feet 76 feet 195 feet
24 Volts 90 feet 145 feet 230 feet 585 feet
28 Volts 150 feet 240 feet 380 feet 975 feet


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