3300W Smart Charger IP67 Waterproof Charger for Marine and RV Battery Charging

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Basic Information

Model NO.

QX3300

Charger Application

Standard Battery, Lithium /Li-ion/Lead Acid /Lifep04

Nominal Voltage

48V/72V/84V/144V/312V

Charger Style

Intelligent Charger

Efficiency

93%

Output Power

3300W

Protection Rating

IP67 Waterproof

Material

Aluminium Alloy

Warranty

24 Months

Certification

RoHS, CE, CB

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Product Description

Intelligent Battery Chargers

This smart battery charger is designed for lead acid battery, lifepo4 battery, lithium battery, etc. It can be used in electric cars, electric forklifts, electric sightseeing cars, electric patrol cars, golf carts, and electric dining cars for battery pack recharging.

Fully enclosed aluminum alloy shell, faster heat dissipation, and an intelligent temperature control fan ensure long-term stable operation. Achieving an IP67 waterproof rating makes it splash-proof and rain-proof, providing reassurance for outdoor use.

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Specifications

Model	Input Voltage	Rated Voltage	Max Charging Voltage	Max Output Current
QX3300-48	AC 90-264V	48V	66V	42A
QX3300-60	AC 90-264V	60V	82.5V	40A
QX3300-72	AC 90-264V	72V	99V	40A
QX3300-84	AC 90-264V	84V	116V	40A
QX3300-96	AC 90-264V	96V	132V	32A
QX3300-144	AC 90-264V	144V	198V	23A
QX3300-312	AC 90-264V	312V	440V	10A

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Production Process

Step 1. SMTMounting electronic components onto the PCB board.

Step 2. Wave SolderingFirmly soldering components via high-temperature processes.

Step 3. Re-weldingManual inspection and repair of key welding points.

Step 4. DebuggingFirst functional test to ensure circuit performance.

Step 5. AssemblyCombining PCBA with structural components.

Step 6. Glue FillingSealing for waterproof, shockproof, and heat dissipation.

Step 7. TestingComprehensive functional and safety verification.

Step 8. Aging TestContinuous power-on tests to ensure long-term reliability.

Step 9. PackingShockproof and dust-proof packaging for safety.

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Certifications

CE Certification: Meets EU safety, health, and environmental regulations.
RoHS Certification: Ensures products are free from harmful chemicals.
CB Certification: Complies with international safety testing standards.
ISO 9001: Robust quality management framework.
Design Patents: Commitment to unique and market-leading solutions.

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Packing & Delivery

Package Size

38.00cm * 28.00cm * 19.00cm

Gross Weight

8.000kg

Lead Time

15 days (1-1 pieces), Others Negotiated

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Frequently Asked Questions

Are you the manufacturer?

Yes, we are a factory with over 20 years of experience, specializing in Lead-acid, Lithium, and LiFePO4 battery chargers.

How do I choose the right charger?

Please provide: 1) Input voltage, 2) Output voltage and current, 3) Battery type, and 4) Specification of input/output plugs. We will suggest the most suitable model.

Do you offer OEM/ODM services?

Yes, we provide both OEM and ODM services. We have extensive experience in understanding buyer requirements and arranging custom development.

What is the delivery time?

Generally, production takes 5-7 days after receiving payment. Delivery time depends on items and quantity. We ship via DHL, FedEx, UPS, or sea.

What payment methods do you accept?

We accept T/T, PayPal, Bank Transfer, D/A, D/P, Credit Card, and L/C.

How do you handle technical problems?

We have a professional technical team available for 24-hour after-service consultancy to solve any issues you may encounter.