72V 73V 3A 3.5A Chargers 250W Outdoor IP54 IP56 Waterproof Charger for 20s 60V/64V LiFePO 4 LiFePO4 Battery Pack

1 / 5

72V 73V 3A 3.5A Chargers 250W Outdoor IP54 IP56 Waterproof Charger for 20s 60V/64V LiFePO 4 LiFePO4 Battery Pack

Still deciding? Get samples of $ !

Request Sample

Send Inquiry

Product Description

Basic Specifications

Model NO.QW640-035-FA

Charger ApplicationStandard Battery

Nominal Voltage73V

Charger StyleIntelligent Charger

Battery Type60-Volt / 20S Lifepo4

Size204*88*48mm

CertificationRoHS, CE

Socket TypeAU/EU/UK/US Plug

Input Voltage100-240VAC 50/60Hz

Output Current3.5A (Max)

Protection GradeIP54/IP56

Production Capacity50000 Pieces

Key Features & Performance

Charging mode: CC-CV (Constant Current-Constant Voltage)
High efficiency (at 100% load): >=90%
Glue pouring process and metal shell cooling design
Low power consumption
Operating temperature: -20ºC ~ 45ºC
Storage temperature: -40ºC ~ 85ºC
Over Voltage protection
Short Circuit protection
Polarity error protection
Overheating protection

LED Status Indicators

Waiting Mode
LED (GREEN) ON

Charging Mode
LED (BLUE) FLASH

Full Charged
LED (GREEN) ON

Error Mode
LED (RED) FLASH

Product Model List

Model	Battery Type	Input Voltage	Battery Voltage (V)	Charging Voltage (V)	Current (A)
QW128-150-FA	LiFePO4	AC 100~264V	12.8 (4S)	14.6	15
QW256-080-FA	LiFePO4	AC 100~264V	25.6 (8S)	29.2	8
QW512-040-FA	LiFePO4	AC 100~264V	51.2 (16S)	58.4	4
QW640-030-FA	LiFePO4	AC 100~264V	64 (20S)	73	3
QW370-050-LA	Lithium	AC 100~264V	37 (10S)	42	5
QW481-040-LA	Lithium	AC 100~264V	48.1 (13S)	54.6	4
QW480-040-SA	Lead Acid	AC 100~264V	48 (4S)	58.8	4
QW600-030-SA	Lead Acid	AC 100~264V	60 (5S)	73.5	3

Product Gallery

Frequently Asked Questions

Q1: Which battery types are compatible with this charger?

This series is compatible with 20S 60V/64V LiFePO4 battery packs, Lithium batteries, and Lead-acid batteries depending on the specific model selected.

Q2: What is the waterproof rating of the charger?

The charger features a glue-pouring process and metal shell design, providing IP54 or IP56 protection grades, making it suitable for outdoor applications.

Q3: How do the LED indicators work?

The LED shows Green for waiting or full charge, flashing Blue during the charging process, and flashing Red if a charging error occurs.

Q4: Does the charger support global input voltages?

Yes, it supports a wide input voltage range of 100-240VAC at 50/60Hz, equipped with PFC (Power Factor Correction).

Q5: What safety protections are built-in?

It includes multiple safety features: Over Voltage, Short Circuit, Polarity Error, Over Power, and Overheating protection.

Q6: What is the typical lead time for orders?

Samples are typically ready within 7 working days, while bulk orders generally take 25-35 days for delivery.

72V 73V 3A 3.5A Chargers 250W Outdoor IP54 IP56 Waterproof Charger for 20s 60V/64V LiFePO 4 LiFePO4 Battery Pack

Product Description

Related Products

360W Battery Chargers 16s 48V 51.2V 5A 6A LiFePO4 LiFePO 4 Outdoor Charger DC 57.6V/58.4V 5A 6A IP54 IP56 Waterproof Chargers SAA Rcm Ukca UL

Powerful Waterproof Lithium Battery Charger for Outdoor Adventures

50W Foldable Solar Panel 18V Portable Battery Charger USB Port Outdoor Waterproof

IP54 Waterproof DC EV Charger with 261kwh Energy Storage Battery for Outdoor Hotel and Workplace Charging

IP65 Waterproof Lithium Battery Charger for Outdoor Use

360W Battery Chargers 6s 18V 19.2V 15A 16A LiFePO4 LiFePO 4 Outdoor Charger DC 21.6V/21.9V 15A 16A IP54 IP56 Waterproof Chargers

3300W IP67 Waterproof Smart Battery Charger for Industrial and Outdoor Applications

54V 54.75V 4A 4.5A Chargers 250W Outdoor IP54 IP56 Waterproof Charger for 15s 45V/48V LiFePO 4 LiFePO4 Battery Pack

3300W Battery Charger IP67 Dustproof Waterproof Charger for Outdoor Battery Systems

360W Battery Chargers 24s 72V 76.8V 3A 4A LiFePO4 LiFePO 4 Outdoor Charger DC 86.4V/87.6V 3A 4A IP54 IP56 Waterproof Chargers with SAA Rcm Ukca UL FCC Ices UL