Reliable Smart Charger for Marine Grade Electric Vehicle Batteries

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Product Description

Basic Information
Model NO. STS3300 Application Standard Battery / Golf Cart / Forklift
Nominal Voltage 12V/24V/36V/48V/60V/72V Charger Style Intelligent Charger
Battery Type Lithium/Li-ion/LiFePo4/Lead Acid Output Power 3300W
Input Voltage 90VAC~260VAC 50Hz/60Hz Efficiency ≥ 93%
IP Rating IP34 / IP67 (Splash Proof) Warranty 24 Months
Certifications RoHS, CB, CE Size 288*180*100mm
Product Description
Smart Battery Charger Overview

Intelligent Battery Charging Solutions

These advanced smart battery chargers are specifically engineered for lead-acid, LiFePO4, and lithium battery packs. They are the ideal choice for recharging electric cars, forklifts, sightseeing vehicles, patrol cars, golf carts, and electric dining vehicles.

Featuring a fully enclosed aluminum alloy shell, the unit ensures rapid heat dissipation. The intelligent temperature-controlled fan maintains long-term stable operation, even under heavy loads. With an available IP67 waterproof rating, it is protected against splashes and rain, providing peace of mind for outdoor applications.

Charger Feature 1
Charger Feature 2
Detailed Technical Views
Technical Specifications
Rated Voltage Lead Acid (CV) Li-ion (CV) LiFePo4 (CV) Current @220V Current @110V
12V 14.7V 16.8V 14.6V 200A 100A
24V 29.4V 33.6V 29.2V 100A 50A
36V 44.1V 42V 43.8V 60A 30A
48V 58.8V 54.6V 58.4V 55A 28A
60V 73.5V 71.4V 73V 40A 20A
72V 88.2V 84V 87.6V 40A 20A

*Note: Cut-off point for Li battery is 5% of CC (adjustable between 3-10%).

Internal Components
Safety Features
Output Plugs
Production Process
Manufacturing Workflow
Step 1: SMT - Precise mounting of electronic components on PCB.
Step 2: Wave Soldering - High-temperature soldering for stable connections.
Step 3: Re-welding - Manual inspection and reinforcement of key joints.
Step 4: Debugging - Initial functional testing of circuit performance.
Step 5: Assembly - Modular integration of PCBA and structural parts.
Step 6: Glue Filling - Sealing for enhanced waterproof and shockproof capabilities.
Step 7: Testing - Comprehensive functional and security verification.
Step 8: Aging Test - Long-term continuous power-on testing for reliability.
Step 9: Packing - Secure shockproof packaging for safe transport.
Certifications & Standards
International Quality Certifications

Our commitment to excellence is backed by global certifications:

  • CE Certification: Compliance with EU safety and health regulations.
  • RoHS Certification: Ensuring eco-friendly and hazardous-substance-free production.
  • CB Certification: Meeting international safety standards for electrical equipment.
  • ISO 9001: Robust management for consistent quality.
  • Design Patents: Protecting our unique and market-leading innovations.
Customer Feedback & Service
Customer Success Stories

"Clients consistently praise our products for meeting diverse technical needs, smooth operation, and superior durability. We pride ourselves on timely pre-sales support and efficient after-sales solutions."

Factory Base
Packaging Center
Packing & Delivery
Logistics and Packaging

Package Details: Standardized paper box packing (52cm x 42cm x 40cm), approx. 26.5kg.

Lead Times:

  • 1-2 Pcs: 20 Days
  • 3-100 Pcs: 25 Days
  • 101-200 Pcs: 30 Days
  • >200 Pcs: Negotiable
Frequently Asked Questions
Are you a professional manufacturer?
Yes, we are a specialized factory with over 15 years of experience in producing Lead-acid, Lithium, and LiFePO4 battery chargers.
How do I choose the right charger for my needs?
Please provide your input voltage, required output voltage/current, battery type, and the specific plug specifications. We will then suggest the most suitable model.
Do you offer OEM or ODM services?
Absolutely. We provide full OEM and ODM support, with extensive experience in developing products according to buyer requirements.
What is the typical delivery timeframe?
Production generally takes 5-7 days for standard orders. Shipping options include DHL, FedEx, UPS, and sea freight, depending on your urgency.
What payment methods do you accept?
We accept T/T, PayPal, Bank Transfer, D/A, D/P, Credit Cards, and L/C.
How do you handle technical support?
We have a dedicated technical team available for consultation. If you encounter any technical issues, our 24-hour after-service support is here to help.

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