Nikon EN-EL15 - EN-EL15a - EN-EL15b

Charger for EN-EL15/EN-EL15A/EN-EL15B: Dual Camera Charger for Nikon EN-EL15/EN-EL15A/EN-EL15B Battery, JJC B-ENEL15 Battery and 3rd party replacement batteries.
Dual Charger & LED Indicators: Allows you to charge 2 batteries simultaneously or individually, the two LED indicators show the charging status of both batteries.
Protection Mechanism – Automatically detects when the batteries are fully charged and stops charging to prevent damage When the batteries are about to overheat, the charger will notice it and stop charging them immediately. Overcharging and short circuit protection.