Battery Discharge Time Calculator

Calculate precise battery discharge time with advanced environmental factors, discharge curves, and comprehensive analysis tools.

Battery Chemistry

Battery Voltage V

Battery Capacity

Load Current

Discharge Safety Margin %

Operating Temperature °C

Battery Age

System Efficiency %

Enter all values to see discharge calculations

Results will appear here

Efficiency Analysis:

Energy Consumption:

Advanced Battery Discharge Calculator

Peukert Effect Analysis

Peukert Exponent

Rated Capacity Ah

Rated Current A

Peukert Calculation:

Enter values to see Peukert effect analysis

Environmental Factors

Humidity %

Altitude m

Vibration Level

Total Charge Cycles

Load Profile Analysis

Peak Load A

Average Load A

Minimum Load A

Load Variation

Battery Configuration

Batteries in Series

Batteries in Parallel

Internal Resistance Ω

Connection Loss %

Advanced Discharge Results:

Perform advanced calculation to see detailed results

Battery Discharge Curves & Visualization

Chart Type: Time Scale: Data Points:

Chart Analysis:

Select chart type and parameters to see analysis

Curve Parameters

Battery Type:

Discharge Rate:

Environmental Impact

Temperature: 25°C

Battery Age: 0 months

Battery Scenario Comparison

Scenario 1: Current Setup

Capacity: Ah

Load: A

Chemistry:

Scenario 2: Alternative Setup

Capacity: Ah

Load: A

Chemistry:

Scenario 3: Optimized Setup

Capacity: Ah

Load: A

Chemistry:

Parameter	Scenario 1	Scenario 2	Scenario 3	Best Option
Enter scenario data and click Compare Scenarios

Recommendation Analysis:

Complete scenario comparison to see recommendations

Advanced Discharge Calculation Formula:

Base Time = Battery Capacity ÷ Load Current
Peukert Effect = (Rated Current ÷ Actual Current)^(n-1)
Temperature Factor = 1 + 0.006 × (Temp - 25)
Age Factor = 1 - (Age × Degradation Rate)
Final Time = Base Time × Peukert × Temperature × Age × Efficiency
Environmental factors and battery configuration included in advanced calculations

Advanced Discharge Examples with Real-World Applications

Solar Energy Storage System

Battery: 48V, 200Ah LiFePO4 bank
Load: Variable (5-15A average)
Peukert effect: Minimal due to LiFePO4
Temperature compensation: -10% at 5°C
Final Runtime: 52 hours @ 10A average

Electric Vehicle Fast Discharge

Battery: 400V, 75kWh Li-ion
Load: 200A peak (80kW)
C-rate: 2.67C (high discharge)
Peukert factor: 0.85 (capacity reduction)
Runtime with losses: 0.85 hours at peak load

Backup Power System

Battery: 12V, 100Ah Lead-acid
Load: 8A continuous
Age factor: 20% capacity loss (2 years old)
Safety margin: 20% (prevent deep discharge)
Effective runtime: 8 hours with all factors