June 20, 2023

3-cell lithium iron phosphate battery pack charger, 3.3A at 10.8 volts, slow-start function and state-of-charge indicator

More lithium iron phosphate battery chargers

This is a charger for 3-series LiFP battery pack, nominally 9.6V (3x3.2V), which charge at 11 volts (3 x 3.65V). The bulk charge current is 3300 mA. It is a multi-stage li-iron LiFePO4 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-iron packs.

PST-G60-12F3-B

With barrel plug output
barrel connector

For charging 3 cell LiFePO4 packs

Quantity	1-10	11-50	51-100	101-250	251-500	500+
	$37.95	$31.50	$28.25	$23.90	$21.50	19.75

SDY-C53F (ZHJX002)

adapters with a barrel connector input and screw terminal output

For adapting the barrel connector version to screw terminals

$2.50 each

PST-WX12 ---- Output adapter barrel plug kit
See below for sizes

$7.00

Optional 18" alligator cord adapter

$3.25

General Information

Model	PST-G60-12F3
Function	9.6V (11V) Volt battery charger for Li-iron 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	9.6V nominal 3-cell LFP battery
Input Frequency	50-60 Hz
Battery voltage	9.6 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	36 W peak
Output voltage	11 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
Size	120 x 67 x 41 mm, 4.7 x 2.6 x 1.6 inches
Efficiency	>80%
Vibration, Impact	5mm, 50Hz, 600 Seconds, 1 meter drop 3 times
Environment	-20°C to +50°C operating, -40°C to +70°C storage
Safety	CE/cTUVus/PSE/CCC marked, designed to EN60950, GB4946, UL1950
Protections	Over Voltage Protection, Output current protection, reverse polarity protection (auto-clearing), short circuit protection (auto-clearing)
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.

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

LIFP battery charger, 3 cell pack battery chargers

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