501520 Lithium Battery

501520 Lithium Battery – Compact 3.7V Li-ion polymer battery, designed for slim and lightweight electronics.

• 🔋 Size: 5.0 × 15 × 20 mm
• ⚡ Consistent 3.7V output for stable performance
• 📱 Ideal for Bluetooth devices, fitness trackers, and smart cards
• 🛡️ Optional PCM protection for enhanced safety