This flip-top 12-slot battery charger supports simultaneous charging of multiple batteries, compatible with 1.5V lithium batteries and 1.2V Ni-MH rechargeable AA/AAA batteries, featuring wide compatibility and high charging efficiency. Built with an intelligent multi-protection system, it effectively prevents overcharging, overdischarging, short circuits and reverse insertion, ensuring all-round charging safety and stable, durable performance. Adopting a large-capacity 12-slot design, it eliminates the hassle of batch charging and meets the demand for simultaneous charging of multiple batteries. It is widely applicable to household daily use, office scenarios, cameras, toys, remote controls and various daily electronic devices, being a cost-effective and essential multi-functional charging accessory.