This flip-top 4-slot battery charger features strong compatibility, supporting 1.5V lithium batteries and 1.2V Ni-MH rechargeable AA/AAA batteries. Built with an intelligent protection system, it effectively prevents overcharging, overdischarging, short circuits and reverse insertion to ensure safe and stable charging performance. Widely applicable for daily household use, it perfectly powers cameras, toys, remote controls and various small electronic devices, serving as a practical and portable charging accessory for daily life.