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July 19, 2018

3-cell lithium ion battery pack charger, 3.3A at 12.6 volts, fully isolated, removable AC cord, slow-start function and state-of-charge indicator

1800 mA 3 cell 10.8V (12.6V peak) lithium ion charger
More lithium battery chargers
1.5 amp small lead acid battery chargers 12 volts with desufation function

10.8 Volt 3300 mA multi-stage li-ion and li-po recharger with universal AC input. Includes a slow start feature and a 4-segment gas gauge.


These are state-of-the-art battery chargers that can be used on-demand, or left permanently on the battery for maintenance.. It uses energy-saving techniques and and and advanced charge precision. The slow-start function helps battery cycle life, especially with deeply discharged batteries. The charger is fully isolated from the mains, has universal AC input, and a removable AC cord. Will accurately lithium-ion and lithium-polymer packs.
Quantity 1-10 11-50 51-100 101-250 251-500 501+
plugsetPST-WX12 ---- Output adapter barrel plug kit $7.00
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PST-G60-12L3-B charger

With barrel plug output
barrel connector
37.95 add_to_cart.gif 31.50 28.25 $23.90 $21.50 $19.75
adapters with a barrel connector input and screw terminal outputFor adapting the barrel connector to screw terminals $2.50 each
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$3.25
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barrel connector alligator clip adapter $3.25
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Optional 18" alligator cord adapter        

General Information
Model PST-G60-12L3
Function 10.8V (12.6V) Volt battery charger for Li-Ion and Li-Polymer 3-cell batteries
Type Battery charger for lithium packs. Can be left on the battery without causing damage, also useful for battery maintainer applications.
 
Technical Information
Rated input voltage 90-264 VAC, 50/60 Hz
Battery type 12V nominal 3-cell 10.8V or 11.1V lithium ion or lithium polymer battery
Input Frequency 50-60 Hz
Battery voltage 12 volts nominal
Battery size 3 AH to 30+ AH packs
Charging current 3.3Amps or 3300mA peak charge
Charger type Constant Current/ Constant Voltage precision charger
Charging algorithm
This is the "European" charge algorithm that does not float charge the battery at the last stage, but still keeps it maintained. (see the graph below)
Constant current/constant voltage
Stage 1 slow start, precharge function for deeply discharged packs
Stage 2 bulk charge stage. 3.3 amps is applied to the battery until the voltage rises to 12.6 volts
Stage 4 constant voltage state until the charge current falls to 400mA
Stage 5. The charger turns off.
Style Desktop
Output power 42W peak
Output voltage 12.6 volts maximum during charge
Weight 275 grams, 0.275 kg, 0.6 pounds, 9.7 oz
Cooling Natural convection, no fan
Output options included 5.5 mm OD x 2.1 mm ID barrel, center positive More barrel connectors available separately, see below
Efficiency >80%
Size 120 x 67 x 41 mm, 4.7 x 2.6 x 1.6 inches
Vibration, Impact 5mm, 50Hz, 600 Seconds, 1 meter drop 3 times
Environment -20°C to +50°C operating, -40°C to +70°C storage
Protections Over Voltage Protection, Output current protection, reverse polarity protection (auto-clearing), short circuit protection (auto-clearing)
Safety cUL, UL, CE marked, designed to EN60950, GB4946, UL1950, certified and marked cUL
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 Power LED red
Slow start The lowest green light is the only one on.
Charging Charging lights lit to show the state of charge
Charged All four green LEDs are on
Reverse polarity, or shorted output All lamps flash
No battery connected Red light is on, but no green LEDs
Twelve optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.
plugset
  • 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

lithium ion chargring algorithm
This is the algorithm for charging lithium ion batteries, either Li-Ion or LiFePO4. The white curve is the voltage
the blue curve is the current, and the green curve is the temperature. The current is constant until the voltage
reaches the maximum allowed charge voltage, then the voltage is held constant while the current drops.

Advantages:

OEM Battery Chargers Much lighter and smaller than transformer based chargers

OEM Battery Chargers Very low cost

OEM Power Supplies Universal Power Input

Universal Power Input OEM Power Supplies and OEM Battery Chargers Samples available now

10.8V battery charger, 12.6 volt battery chargers


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