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Empower your heavy-duty electrification projects with our 3.3KW (3300W) Intelligent Battery Charger. Designed for high-capacity battery systems, this charger delivers robust power output combined with automotive-grade reliability. Whether for electric vehicles, marine propulsion, or industrial machinery, it ensures fast, safe, and efficient charging in the toughest environments.
Core Advantages
Fast Charging Power (3.3KW): Delivers a high-current output of up to 40A, significantly reducing downtime for large-scale battery banks.
Wide Voltage Range (48V to 312V): Supports diverse battery architectures from standard 48V utility systems to high-voltage 312V industrial platforms.
IP66 Waterproof & Dustproof: Featuring a fully encapsulated thermal conductive silicone potting process, it is engineered to withstand short-term immersion and extreme outdoor conditions.
Superior Energy Efficiency (≥93%): Optimized with soft-switching technology and Active PFC (PF ≥0.98) for minimal energy loss and zero power grid pollution.
Advanced Thermal Management: Reliable operation from -40°C to +50°C with built-in intelligent temperature sensors for automatic power derating and safety cutoff.
BMS & CAN Bus Ready: Supports seamless integration with Battery Management Systems via CAN protocol for precise charging control and real-time monitoring.
Technical Specifications
Parameter
Detailed Specifications
Rated Output Power
3.3KW (3300W)
Input Voltage Range
Wide Range AC 90V ~ 264V
Peak Efficiency
≥ 93%
Power Factor
≥ 0.98 (Active PFC)
Ingress Protection
IP66
Operating Temperature
-40°C to +50°C
Communication
CAN Bus (Optional/BMS Controlled)
Isolation Design
Enhanced safety isolation
Output Configurations Table
Nominal System Voltage
Max Output Voltage
Max Charging Current
48V DC
66V DC
40A
60V DC
82V DC
40A
72V DC
99V DC
40A
84V DC
116V DC
40A
96V DC
132V DC
32A
120V DC
165V DC
25A
144V DC
198V DC
23A
312V DC
440V DC
10A
Intelligent Protection & Reliability
Safety is non-negotiable for high-power systems. Our 3.3KW charger includes:
Short Circuit & Over-Current Protection: Automatic output cutoff with self-recovery.
Reverse Polarity Protection: Prevents catastrophic failure during incorrect connection.
Battery Temp Monitoring: Integrated safety logic that stops charging if the battery exceeds 60°C.
Rigorous Reliability Testing: 100% full-load aging test, vibration testing (GB/T 2423.10), and drop tests ensure durability during transport and operation.
Targeted Industry Applications
This 3300W power system is ideal for:
Electric Marine: Propulsion systems for electric boats and yachts.
Heavy Mobility: Electric passenger cars, specialized trucks, and utility vehicles.
Construction & GSE: Electric aerial work platforms, tugs, and tractors.
As an IATF 16949 certified manufacturer, CTS Charger provides high-power solutions backed by rigorous automotive standards. We specialize in custom charging curves and high-voltage architectures to meet the evolving needs of the global B2B electrification market.
Looking for a 3.3KW charging solution for your project?
[Contact Our Sales Team for a Detailed Quote and Technical Consultation][Email: info@ctscharger.com ]
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2021
Total Annual:
4000000-50000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Hangzhou CTS Charger is a leading manufacturer specializing in EV charging and power electronics solutions. Our product portfolio includes On-Board Chargers (OBC), DC-DC Converters, Integrated Charging Systems, and Bi-directional OBC, providing one-stop solutions for passenger vehicles, commercial...
Hangzhou CTS Charger is a leading manufacturer specializing in EV charging and power electronics solutions. Our product portfolio includes On-Board Chargers (OBC), DC-DC Converters, Integrated Charging Systems, and Bi-directional OBC, providing one-stop solutions for passenger vehicles, commercial...