EnFilm™ - rechargeable solid state lithium thin film battery

The EFL700A39 is a thin film rechargeable lithium battery. The battery has a LiCoO2cathode, LiPON ceramic electrolyte and a lithium anode.

Key Features

  • All solid-state
  • Ultra thin
  • Fast recharge
  • Low capacity loss
  • Long cycle life
  • RoHS compliant
  • UL file number: MH47669
  • Complies with the following standards
    • IEC 62133
    • UN Manual of Tests and Criteria, Part III, subsection 38.3
    • ISO7816 / IEC10373 (mechanical / flexibility smartcard standards)



Description Version Size
DS6795 DS6795: EnFilm™ - rechargeable solid state lithium thin film battery 5.0 218 KB
Description Version Size
AN4046 AN4046: EnFilm™ micro battery EFL700A39 recommendations for manual assembly on PCB 1.0 902 KB
AN4351 AN4351: EnFilm™ micro battery EFL700A39 automatic or semi-automatic mounting on PCB 1.0 214 KB
AN4085 AN4085: EnFilm™ micro-battery EFL700A39 user guide 2.0 787 KB
Description Version Size
UM1806 UM1806: EFL700A39 evaluation board kits and design-in board user guide 4.0 1 MB


Description Version Size
EnFilm™: the Energy of Things 1.0 1 MB


Description Version Size
EnFilm™ rechargeable solid state thin film battery 1.0 351 KB
Description Version Size
Brochure Power management guide 05.2016 7 MB


Product Evaluation Tools


型号 Package Packing Type Operating Temperature (°C) (min) Operating Temperature (°C) (max) Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
EFL700A39 MICA.254.254.21-2L Tray -20 60 Active 30 5 NEC 3A991J2 FRANCE MORE INFO DISTRIBUTOR AVAILABILITY
EFL700A39-RL MICA.254.254.21-2L Tape And Reel -20 60 Active 30 5 NEC 3A991J2 FRANCE MORE INFO DISTRIBUTOR AVAILABILITY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors


型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
EFL700A39 ActiveMICA.254.254.21-2LIndustrialEcopack1 0 0
EFL700A39-RL ActiveMICA.254.254.21-2LIndustrialEcopack1 0 0

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.