KYS2057HH Replaceable Battery
Intelligent lithium battery pack with constant output, high energy density, and built-in protection system. Enables robust operation of industrial and medical equipment, with smart monitoring and an extended life cycle. OEM/ODM customization to various application needs.
- Nominal Voltage: 7.2 V
- Rated Capacity:13200mAh
- Internal Resistance: <100mΩ @ 1kHz at 25°C
- Max. Charge Current: 8.0 A
- Max. Charge Voltage: 8.4V
- Max. Discharge Current: 8.0 A
- Cycle Life:500 Cycles ≥ 80% of Rated Capacity(Test Standard: CC/CV Charging: 2.64A/8.40V; CC Discharging: 2.64A down to 5.00V @ 25°C)
Back to Product List
Overview
The Replaceable Battery incorporates several lithium-ion cells into a small, smart module. The pack is designed to measure voltage, current, and temperature in real time for engineers. The built-in battery management system (BMS) provides balanced charging and discharging. Moreover, the protective circuits prevent overcharge, over-discharge, and short circuits. Passive airflow channels or fans are used to ensure the best operating temperatures. The modules are connected by signal and power lines, which are effective in distributing safe energy throughout the system.
Materials and Internal Structure
Manufacturers construct cells with high-quality lithium-ion chemistry with graphite anodes and lithium metal oxide cathodes. Current is collected on copper foils attached to the anodes, and cathodes are supported on aluminum foils. A microporous polymer separator allows ion flow but prevents electrical contact between electrodes. The outer casing is made of reinforced steel and aluminum alloy panels and thermal insulation layers to ensure even temperatures. Coatings are used to prevent corrosion and mechanical stress, which guarantees the product remains strong after repeated use.
Electrical Assembly and BMS Integration
Technicians can interconnect cells in series and parallel to obtain the desired voltage and capacity. They solder electrode tabs as much as possible to minimize internal resistance. The battery management system constantly checks each cell, modifying the discharge and charge rates. It also balances cells to avoid uneven degradation and increases the life cycle. Strain relief is applied to lead wires to prevent loosening during vibration. The engineers periodically calibrate the system to guarantee proper measurements and dependable operation.
Cooling and Safety Measures
The pack has airflow channels and heat sinks to cool it passively. The fans are automatically turned on or off based on temperature. Accidental contact with live parts is avoided by thermal insulation. The maintenance panels enable one to inspect or replace the fans without breaking down the pack. Airflow and temperature control are tested by engineers through simulations and physical tests.
Standards and Quality Assurance
Production is in accordance with UL, IEC, and UN38.3 safety standards. Electrical, thermal, and cycle testing is performed on each unit to ensure it performs under repeated charging. Safety is checked by insulation resistance and leakage tests. Each battery pack is traceable through documentation. Such procedures ensure uniform quality and adherence to international standards.
Product Details
Product Features
- 2S4P Lithium Battery Pack Removable.
- In line with IEC 62133 and UN38.3 certifications.
- Standard SMBus v1.1 interface.
- Combined LED State of Charge (SOC) indicator.
- Uses Panasonic cells, which have the highest energy density and stability on the market.
- In line with JEITA charging optimization standards.
- Complete safety protection, such as overcharge, over-discharge, over-current, over-temperature, and short-circuit protection.
- Has cell balancing capability to efficiently increase battery life.
- Accurate fuel gauging with TI technology.
Product Application Areas
- Class III Medical Devices
- Precision Measuring Instruments
- Industrial Computers
- Non-destructive Testing Equipment
- Similar portable industrial and medical equipment.
Technical Parameters
| Overview | |
| Initial Shipment Capacity | 20%~30% |
| Certifications | CE / FCC / IEC62133 / UN38.3 / PSE / UKEA / REACH / RoHS / (EU) 2023/1542 / GOST-R / CCC / BSMI |
| 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 | 7.2V |
| Rated Capacity | 13.2Ah |
| Max. Capacity | 13.5AH |
| Internal Resistance | 100mΩ @ 1kHz at 25°C |
| Max. Charge Current | 8.0A |
| Max. Charge Voltage | 8.4V |
| Max. Discharge Current | 8.0A |
| Cycle Life | 500 cycles >80% of rated capacity (Test standard: CC/CV charge 2.46A/8.4V; CC discharge 2.64A to 5.0V @ 25°C) |
| Size Specifications | |
| Length | 150.5mm ± 0.3mm |
| Width | 77.4mm ± 0.3mm |
| Thickness | 22.7mm ± 0.3mm |
| Weight | 445g ± 10g |
| Interface | ![]() |
