The Dolgin TC400 Four Position Charger for Panasonic DMW-BLJ31 is an ideal and efficient way to charge up to four high-capacity DMW-BLJ31 batteries simultaneously or independently. Key features include:

• Diagnostics LCD displays volts, capacity, and charge percentage
• 210-minute charge time for four batteries (batteries not included)
• Compatible with non-OEM batteries

This is a great charger for anyone using multiple high-capacity DMW-BLJ31 batteries.