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Battery Degradation Formula:
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Battery degradation refers to the gradual loss of a battery's capacity to store and deliver energy over time and through charge cycles. It's a natural process that affects all types of rechargeable batteries.
The calculator uses the battery degradation formula:
Where:
Explanation: This formula calculates the percentage of capacity that has been lost compared to the battery's original capacity.
Details: Monitoring battery degradation helps determine battery health, predict remaining lifespan, and make informed decisions about battery replacement. It's crucial for maintaining optimal performance in electric vehicles, renewable energy systems, and portable electronics.
Tips: Enter the current measured capacity and original capacity of the battery in Ampere-hours (Ah). Both values must be positive numbers, and current capacity cannot exceed original capacity.
Q1: What is considered normal battery degradation?
A: Normal degradation varies by battery type but typically ranges from 2-5% per year for lithium-ion batteries under normal use conditions.
Q2: At what degradation level should a battery be replaced?
A: Replacement is often considered when capacity drops below 70-80% of original, depending on the application and performance requirements.
Q3: What factors accelerate battery degradation?
A: High temperatures, deep discharges, fast charging, and frequent full charge cycles can accelerate battery degradation.
Q4: Can battery degradation be reversed?
A: No, battery degradation is generally irreversible as it involves permanent chemical and physical changes within the battery cells.
Q5: How often should battery degradation be measured?
A: For critical applications, measure every 3-6 months. For general use, annual measurements are sufficient to track degradation trends.