The Panasonic 2170 Cell Datasheet is an invaluable resource for anyone involved in the world of lithium-ion batteries, from hobbyists building custom power packs to engineers designing next-generation electric vehicles. It provides the critical technical specifications that define the performance, safety, and operational limits of these widely used cylindrical cells. Understanding the information contained within the Panasonic 2170 Cell Datasheet is paramount for making informed decisions about battery selection, integration, and management.
Demystifying the Panasonic 2170 Cell Datasheet
At its core, the Panasonic 2170 Cell Datasheet is a technical document detailing the electrical, mechanical, and thermal characteristics of a specific Panasonic 2170-format lithium-ion battery cell. This format, characterized by its 21mm diameter and 70mm length, has become a standard in various applications due to its excellent balance of energy density, power capability, and cost-effectiveness. The datasheet serves as a blueprint, outlining what users can expect from the cell under various conditions. It’s essential for accurately predicting battery performance, calculating energy reserves, and ensuring the longevity and safety of any battery system. Without consulting the datasheet, users risk miscalculating power delivery, overheating, or even causing premature cell degradation.
The information presented in the Panasonic 2170 Cell Datasheet is typically organized into several key sections. These often include:
- Nominal Capacity: The standard amount of electrical charge the cell can deliver.
- Nominal Voltage: The average voltage of the cell during discharge.
- Maximum Charge Voltage: The highest voltage the cell can safely be charged to.
- Minimum Discharge Voltage: The lowest voltage the cell can be discharged to without damage.
- Internal Resistance: A measure of the cell's opposition to current flow, affecting efficiency and heat generation.
- Maximum Continuous Discharge Current: The highest current the cell can sustain for extended periods.
- Maximum Pulse Discharge Current: The peak current the cell can deliver for short durations.
- Operating Temperature Range: The acceptable temperature limits for charging and discharging.
- Storage Conditions: Recommended temperatures and state of charge for long-term storage.
- Dimensions and Weight: Physical specifications of the cell.
- Safety Features: Information on built-in safety mechanisms like vents or PTC devices.
Engineers and designers utilize this comprehensive data in several critical ways. For instance, when designing an electric vehicle battery pack, they might use the capacity and voltage figures to determine the total energy storage and required voltage for the system. The internal resistance and current ratings are crucial for thermal management calculations, ensuring the pack doesn't overheat under heavy load. A simplified comparison table might look like this:
| Parameter | Typical Value | Importance |
|---|---|---|
| Nominal Capacity | 3000-5000 mAh | Determines run-time and energy storage. |
| Nominal Voltage | 3.6V - 3.7V | Essential for system voltage calculations. |
| Max Cont. Discharge Current | 10A - 30A | Affects power delivery capability and thermal management. |
This detailed breakdown allows for precise modeling and simulation, leading to more efficient, reliable, and safe battery systems across a wide array of applications, from portable electronics to large-scale energy storage solutions.
When embarking on any project involving Panasonic 2170 cells, whether it's a complex engineering design or a personal battery build, make sure to thoroughly consult the Panasonic 2170 Cell Datasheet. This document is your definitive guide to unlocking the full potential of these cells safely and effectively.