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June 20, 2023

8-cell lithium-ion battery pack charger, 1.7A at 33.6 volts, and fuel gauge

Li-Ion and LiPo, lithium polymer, battery pack chargers from PowerStream
More lithium battery chargers
1.7A 8-cell pack Llithium ion battery pack charger, 50 watts

8 cell lithium ion packs have a nominal voltage of 28.8V to 29.6V and a maximum charge voltage of 33.6 volts. This is a 1700 mA multi-stage Li-ion and Li-po charger with universal AC input. It includes a removable AC plug, a slow start feature and a 4-segment state-of-charge gauge.

These are state-of-the-art battery chargers. They use energy-saving techniques advanced charging 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 C14 style AC cord. Will accurately charge lithium-ion and lithium-polymer packs.


With 5.5 x 2.1mm barrel plug output
barrel connector
Quantity 1-10 11-50 51-100 101-500 500+
add_to_cart.gif $49.75 $46.95 $39.80 $29.20 $25.80
ZHJX002 adapters with a barrel connector input and screw terminal output For adapting the barrel connector output to screw terminals $2.50 each
barrel connector alligator clip adapter Optional 18" alligator cord adapter $3.25
plugset PST-WX12 ---- Output adapter barrel plug kit $7.00

General Information
Model PST-G100-24L8
Function 28.8V (33.6V) Volt battery charger for Li-Ion and Li-Polymer 8-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 100~240 VAC 50/60Hz
Battery type 28.8V nominal 28.8V-29.6V 8-cell lithium ion or lithium polymer battery pack
Input Frequency 50-60 Hz
Battery voltage 28.8 - 29.6 volts nominal
Battery size 2 AH to 30+ AH lithium ion battery packs
Charging current 1.7Amps or 1700mA 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, pre-charge function for deeply discharged packs
Stage 2 bulk charge stage. 2 amps is applied to the battery until the voltage rises to 33.6 volts
Stage 4 constant voltage state until the charge current falls to 400mA
Stage 5. The charger turns off.
Style Desktop
Output power 80 Watts peak
Output voltage 33.6 volts maximum during charge
Cooling Natural convection, no fan
Weight 400 grams, 0.9 lbs, 14 oz.
Efficiency >80%
Size 170 X 71 X 51 mm, 6.7 x 2.75 x 2.0 inches
Vibration, Impact 5mm, 50Hz, 600 Seconds, 1 meter drop 3 times
Safety CE/cTUVus/PSE/CCC marked, designed to EN60950, GB4946, UL1950
Environment -20°C to +50°C operating, -40°C to +70°C storage
HiPot, ESD Hi-Pot 3000 V, 1 minute, ESD 8000V
Protections Over Voltage Protection, Output current protection, reverse polarity protection (auto-clearing), short circuit protection (auto-clearing)
Output options included 5.5 mm OD x 2.1 mm ID barrel, center positive More barrel connectors available separately, see below
MTBF 30,000 hours by MIL-STD calculation
 AC Input

Input cord is an IEC-C14 C15 removable cordIEC-C14 sketch

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
Red light pulsing slowly The battery voltage is higher than the charge voltage
User's manual Click here for user's manual  
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


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