🔋 Introduction

Choosing the right battery is not just about specs.

It’s about:

👉 matching cycle life and DOD to your application

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🔍 Step-by-Step Selection Guide

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1️⃣ Define Your Application

• Solar
• Telecom
• UPS

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2️⃣ Estimate Daily Usage

• Daily cycling?
• Backup only?

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3️⃣ Choose Appropriate DOD

Application	Recommended DOD
Solar	70–80%
Telecom	50–80%
UPS	30–60%

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4️⃣ Evaluate Cycle Life

👉 Match with usage frequency

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5️⃣ Calculate Lifetime Value

👉 Use:

• Cycle life
• Energy throughput
• Cost per cycle

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⚖️ Common Mistakes

• Choosing lowest price
• Ignoring DOD impact
• Oversizing or undersizing

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💡 Final Recommendation

👉 Best choice =

Balanced DOD + High cycle life + Proper system design