- High-performance lithium ion battery with an extremely long service life ,- Use of UL/IEC certified brand-name cells: for increased safety ,- Safety electronics: for monitoring the charging and discharging process ,- Gold-plated contacts: for low loss of contact and corrosion prevention ,- Cells fix in place with super adhesive band: for improved impact resistance and mechanical protection ,- Continuous review through quality assurance: for top quality ,- 5-year warranty ,- Replacement for Sony NP-FZ100