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February 27, 2024

12 Volt SLA battery charger 2 Amp with universal AC input

More lead acid battery chargers 6V, 12V, 18V, 36V, 42V, 48V
Small lead acid battery chargers 12 volts with desufation function

12V 2000mA peak multistage battery charger with universal AC input. Available with barrel connector, or optional alligator clip adapter.

lead acid charger with universal AC input

PowerStream is the best place to find high quality, high technology battery chargers for OEM and consumer use. These can be safely left attached to the battery for battery-minder applications, but also have a 3 stage charging process for fast charging. Reverse polarity protection and battery-sense turn-on make them extra safe.

OEM Battery ChargersThese chargers are also used as replacment chargers for 12 volt safety lights.

Quantity 1-10 11-50 51-100 101+
PST-3PA3015B with barrel plug output
barrel connector
For charging 12 volt Pb-Acid batteries $39
Barrel connector socket 5.5x2.1mm to alligator clip adapter with 18 inch zip cord in between Alligator clip adapter $3.25
plugset PST-WX12 ---- Output adapter barrel plug kitSee below for sizes $7.00
ZHJX002 adapters with a barrel connector input and screw terminal output For adapting the barrel connector version to screw terminals $2.50 each

General Information
Model PST-3PA3015, also known as PST-3P30-A3015
Function 12 Volt battery charger for lead acid, sealed lead acid, etc.
Type Battery Pack Charger for R/C, Robots, motorcycles, bicycles, scooters and instruments.
ROHS ROHS compliant
Technical Information
Rated input voltage 90-264 VAC, 50/60 Hz
Battery type 12V nominal SLA, VRLA, Gel, AGM, or flooded battery
Input Frequency 50-60 Hz
Battery voltage 12 volts nominal
Battery size 0.7 AH to 20+ AH
Charging current 2 amps or 2000mA
Charger type Lead Acid Chemistry
Charging algorithm Constant current/constant voltage/float
Stage 1 constant current 2000 mA ± 100 mA
Stage 2 constant voltage 14.75 volts ± 0.25 volts
Stage 3 float charge 13.75 ±0.20 volts
"Charged" light turns on and float charge starts when the charge current is below 0.20 amps ±0.05 amps when the battery charge voltage is above 14 volts.
Style Wall mount, wall wart
Output power 29.5 Watts maximum
Output voltage 14.75 volts maximum during bulk charge stage
Output options included Alligator clips or 5.5 mm OD x 2.1 mm ID barrel More barrel connectors available separately, see below
Weight 250 grams, 0.25 kg, 0.55 pounds, 8.8 oz
Cooling Natural convection, no fan
Efficiency >80%
Size 117 x 61 x 37 mm, 4.6 x 2.4 x 1.5 inches
Environment -10°C to +40°C operating, -40°C to +70°C storage
Temperature rise <40°C rise on case under any line voltage and maximum rated load
Vibration, Impact 5mm, 50Hz, 600 Seconds, 1 meter drop 3 times
Protections Over Voltage Protection, Output current protection
Safety CE marked, designed to EN60950, GB4946, UL1950.
MTBF 30,000 hours by MIL-STD calculation
HiPot, ESD Hi-Pot 3000 V, 1 minute, ESD 8000V
LED Indications   Power on, but no battery connected Green
Charging Red
Charged/Float Charging Green
Charge Finishing Green Flashing
Reverse polarity Red and Green flashing

DC OUTPUT Connector

5.5×2.1×10.5 S TYPE
Center Positive
barrel connector photo


Center Positive center positive symbol
Twelve optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.
  • 2.35 OD x 0.7 ID Barrel
  • 3.0 OD x 1.1 ID Barrel
  • 3.5 OD x 1.35 ID Barrel
  • 4.0 OD x 1.7 ID Barrel
  • 4.75 mm OD x 1.75 mm ID Barrel EIAJ-03
  • 5.0 mm OD x 3.5 mm ID with center pin
  • 5.5 mm OD x 1.5 mm ID type 2 Barrel
  • 5.5 mm OD x 2.5 mm ID Barrel
  • 6.3 OD x 3.0 ID center pin Barrel
  • 6.0 OD x 4.4 ID center pin Barrel
  • 7.4 mm OD x 5.0 center pin ID Barrel
  • 7.9 OD x 5.6 ID center pin Barrel


OEM Battery Chargers Much lighter and smaller than transformer based chargers

OEM Battery Chargers Can be left on the 12V battery to maintain the battery, for example over the winter.

OEM Battery Chargers Very low cost

OEM Power Supplies Universal Power Input

Safety Agency Compliance No engineering costs required

Universal Power Input OEM Power Supplies and OEM Battery Chargers Available now

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Thursday, 18-Apr-2024 14:12:01 EDT

12V battery charger, 12 volt battery chargers

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