Vivitar EN-EL23 Vivitar Brand Batteries. High quality, long lasting, market leading performance at a fraction of the price. Nikon EN-EL23 Replacement. 100% Compatible with the Nikon Coolpix P600, S810c cameras and the stock Nikon chargers. Market leading, ultra-high capacity: 2550mAh The Vivitar EN-EL23 batteries are fully decoded, they communicate with the Nikon camera so you can always check the remaining capacity, shutter count and recharge performance on the cameras power source info screen even with the latest firmware. Backed with DigitalGoja 30-Day 100% Satisfaction Guarantee. No Hassle Returns and Refunds.