KYS2054DH Standard Battery Packs
Smart lithium battery pack featuring stable output, high energy efficiency, and integrated safety protection. Designed for reliable performance in industrial and medical equipment, supporting long cycle life and OEM/ODM customization for various application requirements.
- Nominal Voltage: 14.4 V
- Rated Capacity: 3300 mAh
- Typical Capacity: 3450 mAh
- Internal Resistance: <250mΩ @ 1kHz at 25°C
- Max. Charge Current: 1.65 A
- Max. Charge Voltage: 16.8 V
- Max. Discharge Current: 4.0 A
Back to Product List
Overview
The Standard battery packs consist of multiple lithium cells arranged inside a unified electrical housing. Technicians link each cell group through defined conductive paths. A control board is installed to handle measurement signals and switching actions. At the same time, data lines pass voltage readings to external interfaces for tracking purposes. When irregular values appear, the control circuit interrupts energy flow immediately.
Cell Materials and Layer Structure
Cell units rely on layered lithium compounds applied on metal foils. Aluminum sheets form the positive current path, while copper sheets guide electron collection on the opposite side. A thin separator film sits between electrode layers and prevents direct contact. Additionally, the enclosure uses a rigid polymer shell combined with metal reinforcement plates to maintain structural alignment during handling.
Assembly Process and Electrical Linking
Operators arrange cells into predefined string groups according to voltage targets. Nickel connectors join terminals through spot welding, reducing resistance at each junction point. After cell grouping, a monitoring board is fixed onto the terminal section. This board scans each cell line and executes cut-off actions when abnormal readings occur. Balance wires extend across the pack and equalize charge distribution during operation cycles.
Thermal Path and Structural Layout
Heat moves through spacing channels formed between cell rows. Conductive pads guide temperature spread across the internal structure. The design avoids rotating or moving cooling parts and relies on physical spacing for heat dispersion. The outer shell holds internal components in position and resists compression from external force. Service openings allow inspection of connectors without dismantling the full assembly.
Certification and Production Control
Manufacturing follows IEC 62133 and UN38.3 transport regulations for lithium-based assemblies. Each unit undergoes insulation testing, load cycling, and voltage tracking verification. Production records assign traceability codes to each batch. Packaging inspection confirms isolation of terminals before shipment release.
Product Details
Product Features
- 4S1P Removable Lithium-ion Battery Pack
- Complies with regulations in multiple regions worldwide
- Standard SMBus v1.1 interface
- Integrated LED State of Charge (SOC) indicator
- Uses Panasonic cells, boasting the highest energy density and stability on the market
- Meets JEITA charging optimization rules
- Comprehensive safety protection features, including overcharge, over-discharge, overcurrent, over-temperature, and short circuit protection
- Equipped with balancing function to effectively improve battery life
- TI Precise Battery Calculation
Product Application Areas
- Class III Medical Devices
- Precision Measuring Instruments
- Industrial Computers
- Non-destructive Testing Equipment
- Portable industrial and medical devices, etc.
Technical Parameters
| Overview | |
| Initial Shipment Capacity | 20%~30% |
| Certifications | CE / FCC / IEC62133 / UN38.3 / PSE / UKCA / REACH / RoHS / (EU) 2023 / 1542 / KC / RCM / CCC |
| Operating Temperature | 0°C ~ 50°C (Charge) -20°C ~ 60°C (Discharge) |
| Storage Temperature | -20°C ~ 50°C (Max) -20°C ~ 25°C (Recommended) |
| Electrical Performance | |
| Nominal Voltage | 14.4V |
| Rated Capacity | 3300mAh |
| Typical Capacity | 3450mAh |
| Internal Resistance | <250mΩ @ 1kHz at 25°C |
| Max. Charge Current | 1.65A |
| Max. Charge Voltage | 16.8V |
| Max. Discharge Current | 4.0A |
| Cycle Life | 500 cycles >80% of rated capacity (Test standard: CC/CV charge 1.65A/16.8V; CC discharge 0.66A to 10.0V @ 25°C) |
| Size Specifications | |
| Length | 85.1mm ± 0.3mm |
| Width | 77.4mm ± 0.3mm |
| Thickness | 22.7mm ± 0.3mm |
| Weight | 235g±10g |
| Interface | ![]() |
