KYSCH4040 2-Bay Battery Charger Smart
The KYSCH4040 is a dual-bay smart battery charger designed for medical, industrial, and military equipment. It independently charges two batteries simultaneously, supporting SMBus and JEITA protocols. With wide 9-24VDC input, adaptive voltage output, and comprehensive protections, it delivers efficient, safe, and fast charging.
- Input Voltage: 9-24 VDC
- Input Power: ≥120 W
- Charging Voltage: 0-16.8 V
- Charging Current: 0-4 A
- Max Charging Power Per Channel: 50.4 W
- Charging Efficiency: > 85%
- Certifications: CE / FCC
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Overview
Engineers design the dual-bay smart battery charger system (KYSCH4040 platform) using an independent channel architecture. First, they construct two isolated charging bays, allowing each slot to operate separately under controlled power regulation. Then, technicians integrate a microcontroller-based charging logic board to manage voltage detection and current adjustment. Meanwhile, reinforced plastic housing is molded to support thermal stability and mechanical durability. After structural assembly, the unit proceeds into electrical calibration and functional testing stages.
Electrical System and Charging Control Design
Manufacturers implement an intelligent SMBus communication protocol to exchange battery data between charger and cell. In addition, the system automatically identifies battery chemistry, voltage level, and required charge profile before initiating power delivery. Furthermore, when communication signals are unavailable, auxiliary sensing circuits monitor temperature and resistance feedback to determine safe charging parameters. Meanwhile, each channel operates independently to avoid cross-interference during simultaneous charging operations.
Material Construction and Mechanical Assembly
Technicians assemble the charger housing using high-strength polymer materials to ensure structural rigidity and insulation stability. Next, internal PCB boards are fixed onto vibration-resistant mounting points to reduce mechanical stress during operation. After that, copper conductive rails are positioned inside each bay to maintain stable electrical contact with inserted batteries. Meanwhile, airflow channels are integrated into the casing design to support thermal dissipation during continuous operation cycles.
Standards, Safety Protocols, and Compliance
Engineers execute over-voltage, over-current, short-circuit, and thermal protection testing to validate system reliability. Afterwards, endurance cycling tests are performed to evaluate long-term charging stability. Finally, the 2-bay smart battery charger complies with CE, UL, and RoHS environmental standards, ensuring electrical safety, electromagnetic compatibility, and regulated manufacturing consistency.
Application Fields and System Deployment
The smart dual-bay charger is deployed in industrial battery maintenance systems, portable electronics power management setups, and professional field equipment charging stations. In addition, it is used in medical device power supply workflows, communication equipment battery servicing, and laboratory testing environments where controlled lithium battery charging is required.
Product Details
Product Features
- Wide voltage input
- Adaptive Intelligent Battery
- Efficient, safe, and fast charging
- Compatible with all KYS Intelligent Batteries
- Dual battery simultaneous and independent charging control
- Compliant with SMbus and JEITA-optimized charging protocols
- Comprehensive safety protection functions, such as overvoltage, overcurrent, and reverse polarity protection
Technical Parameters
| Overview | |
| Input Interface | 2.5φ×5.5φ DC Port |
| Output Interface | 5PIN Blade-type Smart Battery Connector |
| Operating Temperature | -30°C ~ 70°C |
| Recommended Charging Temperature | 0°C ~ 50°C |
| Electrical Performance | |
| Input Voltage | 9-24VDC |
| Input Power | ≥120W |
| Charging Voltage | 0-16.8V |
| Charging Current | 0-4A |
| Max Charging Power Per Channel | 50.4W |
| Charging Efficiency | > 85% |
| Certifications | CE/FCC |
| Dimensions & Specifications | |
| Length | 145.0mm ± 0.5mm |
| Width | 111.5mm ± 0.5mm |
| Height | 38.0mm ± 1mm |
| LED Indication | |
| Power-on Indication | Blue LED steady on |
| Normal Charging | Green LED flashing |
| Battery Fully Charged | Green LED steady on |
| Charging Fault | Red LED steady on |