Overview
The EFL700A39 is a thin film rechargeable lithium battery produced by STMicroelectronics. This advanced battery is part of the EnFilm™ series, known for its ultra-thin design, measuring just 220μm in thickness and 25.7mm x 25.7mm in size. This makes it ideal for use in ultra-low-profile devices, freeing designers from the constraints of standard battery sizes. The battery features a LiCoO2 cathode, LiPON ceramic electrolyte, and a lithium anode, ensuring fast recharge, low capacity loss, and a long cycle life of approximately 10 years if charged once a day.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 3.9V |
| Capacity | 0.7mAh |
| Thickness | 220μm |
| Dimensions | 25.7mm x 25.7mm |
| Charging Voltage | 4.2V |
| Cycle Life | Approximately 10 years if charged once a day |
| Certifications | RoHS compliant, UL certified (MH47669), IEC 62133, UN Manual of Tests and Criteria, Part III, subsection 38.3, ISO7816 / IEC10373 |
Key Features
- All solid-state design
- Ultra-thin profile
- Fast recharge capability
- Low capacity loss
- Long cycle life
- Surface-mount terminals for direct connection to the board
- Optional tape and reel packaging for high-speed automated placement
- Compliant with various safety and mechanical standards (RoHS, UL, IEC 62133, UN, ISO7816 / IEC10373)
Applications
- Wireless sensor nodes
- RFID tags
- Smart cards
- Wearable technology
- Non-implantable medical monitors
- Backup or storage for energy-harvesting devices
Q & A
- What is the nominal voltage of the EFL700A39 battery?
The nominal voltage of the EFL700A39 battery is 3.9V.
- What is the capacity of the EFL700A39 battery?
The capacity of the EFL700A39 battery is 0.7mAh.
- How thick is the EFL700A39 battery?
The EFL700A39 battery is 220μm thick.
- What are the dimensions of the EFL700A39 battery?
The dimensions of the EFL700A39 battery are 25.7mm x 25.7mm.
- What is the charging voltage for the EFL700A39 battery?
The charging voltage for the EFL700A39 battery is 4.2V.
- How long is the cycle life of the EFL700A39 battery?
The cycle life of the EFL700A39 battery is approximately 10 years if charged once a day.
- Is the EFL700A39 battery RoHS compliant?
Yes, the EFL700A39 battery is RoHS compliant.
- What certifications does the EFL700A39 battery meet?
The EFL700A39 battery meets IEC 62133, UN Manual of Tests and Criteria, Part III, subsection 38.3, and ISO7816 / IEC10373 standards.
- What types of applications is the EFL700A39 battery suitable for?
The EFL700A39 battery is suitable for wireless sensor nodes, RFID tags, smart cards, wearable technology, non-implantable medical monitors, and backup or storage for energy-harvesting devices.
- How does the EFL700A39 battery simplify assembly?
The EFL700A39 battery simplifies assembly with surface-mount terminals that allow direct connection to the circuit board, eliminating the need for wires and connectors.
