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

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.

PST-G100-24L8

With 5.5 x 2.1mm barrel plug output
barrel connector

Quantity	1-10	11-50	51-100	101-500	500+
	$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

Optional 18" alligator cord adapter

$3.25

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 cord
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

Advantages:

Much lighter and smaller than transformer based chargers

Very low cost

Universal Power Input

Samples available now

29.6 V battery charger, 28.8 volt battery chargers

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