June 20, 2023

7-cell lithium ion battery pack charger, 1.6A at 29.4V, removable 2-prong AC cord, and charge indicator

1800 mA 3 cell 10.8V (12.6V peak) lithium ion charger

2 amp lithium ion battery charger for 5 cell packs

A 7 cell lithium ion pack has a nominal voltage of 25.2V to 25.9V and a maximum charge voltage of 29.4 volts. This is a 1600 mA multi-stage li-ion and li-po recharger with universal AC input. It includes a slow start feature and a 4-segment state-of-charge gauge.

These are state-of-the-art fully isolated 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.

PST-G60-12L7 With barrel plug output		$44	Quantity 11-50 $39	Quantity 51-100 $34	Quantity 101-250 $29	Quantity 251-500 $26	Quantity 500+ $21.50
	Optional 18" alligator cord adapter	$3.25
ZHJX002	For adapting the barrel connector version to screw terminals	$2.50 each
	PST-WX12 ---- Output adapter barrel plug kitSee Below	$7.00

General Information

Model	PST-G60-12L7
Function	24V (25.2V) Volt battery charger for Li-Ion and Li-Polymer 7-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	24V nominal 25.2V, 29.4V 7-cell series lithium ion or lithium polymer battery pack
Input Frequency	50-60 Hz
Battery voltage	24 - 25.9 volts nominal
Battery size	1.6 AH to 30+ AH packs
Charging current	1.6 Amps or 1600mA 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. 2 amps is applied to the battery until the voltage rises to 29.4 volts
	Stage 4 constant voltage state until the charge current falls to 400mA
	Stage 5. The charger turns off.
Style	Desktop
Output power	47 Watts peak
Output voltage	21 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
Protections	Over Voltage Protection, Output current protection, reverse polarity protection (auto-clearing), short circuit protection (auto-clearing)
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
MTBF	30,000 hours by MIL-STD calculation
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.

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

24 V battery charger, 25.2, 25.9 volt battery chargers

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7-cell lithium ion battery pack charger, 1.6A at 29.4V, removable 2-prong AC cord, and charge indicator

A 7 cell lithium ion pack has a nominal voltage of 25.2V to 25.9V and a maximum charge voltage of 29.4 volts. This is a 1600 mA multi-stage li-ion and li-po recharger with universal AC input. It includes a slow start feature and a 4-segment state-of-charge gauge.

PST-G60-12L7