Amazon.com: Power 2000 Digital Camera Battery, Works with Nikon Coolpix P600 Digital Camera, (li-ion, 3.8V, 2200 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL23 Battery : Electronics
Amazon.com : Powerextra 2 x 2600mAh EN-EL23 Battery and Charger with LCD Display Compatible with Nikon Coolpix P600, P610, B700, P900, S810c : Electronics
EN EL23 EN EL23 Camera Battery LCD USB Charger for Nikon COOLPIX P600 B700 S810c P900 P610 Camera|en el23|en-el23 batterydigital camera battery - AliExpress