TS920E-FL27E Rechargeable Lithium Coin Battery | High-Quality 1.5V 5.5mAh | Seiko Instruments 2025-04-22 Discover the TS920E-FL27E, a high-quality 1.5V 5.5mAh rechargeable lithium coin battery by Seiko Instruments. Perfect for wearables, medical sensors, and IoT devices. Buy now!