303040 Lithium Battery

303040 Lithium Battery – 3.7V 400mAh rechargeable Li-ion polymer battery, ideal for slim and compact electronic applications.

• 🔋 Size: 3.0 × 30 × 40 mm
• ⚡ Capacity: 400mAh with reliable 3.7V output
• 🛠 Stable performance and long cycle life
• 📱 Perfect for wearables, GPS trackers, medical and handheld devices