حاسبة مدة تشغيل البطارية
قدر وقت التشغيل الاحتياطي للمحولات وأجهزة UPS والمعدات الكهربائية.
كيف يعمل مدة تشغيل البطارية
Battery run time represents how long a storage cell can power a device before depletion. It is calculated by dividing the usable energy capacity of the battery by the power consumption of the connected load.
Depth of Discharge (DoD) is crucial. Discharging batteries completely (100% DoD) can degrade them quickly. Most lead-acid setups operate at 50%-80% DoD, while lithium batteries safely run at 90%-100%.
Usable Wh = Capacity(Ah) × Volts(V) × DoD(%) ÷ 100Run Time (Hours) = Usable Wh ÷ Load(Watts)DoD is the percentage of capacity that is usable.
جدول تحويل مدة تشغيل البطارية
| Load Power (Watts)↕ | Estimated Run Time (Hours)↕ | Typical Device Match↕ |
|---|---|---|
| 10 W | 96.0 hours | LED Bulb / Router |
| 50 W | 19.2 hours | CPAP / Laptop |
| 100 W | 9.6 hours | Smart TV / Gaming Console |
| 250 W | 3.84 hours | Slow Cooker / Desktop Workstation |
| 500 W | 1.92 hours | Sump Pump |
| 1,000 W | 57 minutes | Microwave (continuous) |
الأسئلة الشائعة: مدة تشغيل البطارية
How do you calculate battery run time?
Multiply the battery capacity in Ampere-hours (Ah) by its voltage (V) to find total Watt-hours (Wh). Multiply by the depth of discharge percentage (DoD) to find usable Wh, and then divide by the load's power consumption in Watts.
What is DoD (Depth of Discharge)?
Depth of Discharge indicates how much battery capacity can be used before recharging without causing internal damage. For example, an 80% DoD means you use 80% of the total capacity, keeping 20% in reserve.