- 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 cycle ,- Gold-plated contacts: for lower contact losses and corrosion prevention ,- Self-resetting thermal fuse (polyswitch/PTC): additional protection against short circuit and overload ,- Cells are fixed with a highly adhesive tape: for improved shock resistance and mechanical protection ,- Quality assurance due to continuous control: for top quality ,- 5-year guarantee , ,- Replacement for Nikon EN-EL21 - Battery Designation: EN-EL21 ,- Model: Li-Ion Info ,- Power: 6,8 Wh ,- Capacity: 950 mAh ,- Voltage: 7.2 V ,- Colour: Black ,- Device Specific: Yes ,- Recommended Use: Photo/Video ,- Suitable for: Nikon ,- Usage: Digital Camera 2 years legal warranty only