I ran across a unique battery charger for the MA2 on Amazon that has features the others do not. It's brand new , no reviews yet, but they do make one for the M2 pro/zoom and it has 4.5 out of 5 star rating from 149 reviewers. Some of the features the "Hanatora Battery Wall Charger & Car Charger for DJI Mavic Air 2 Drone" include
** Dual power supply - 110-240v power brick or 12v cigarette lighter plug
** LED display showing voltage and amperage for selected battery
** Storage mode - will charge OR discharge the battery to 12V for long term storage
** Cooling fans
** Charges up to 4 batteries concurrently, each battery has a cradle to sit in, no dangling cords
Amazon link to charger:Amazon.com: Hanatora Battery Wall Charger & Car Charger for DJI Mavic Air 2 Drone and USB-C Remote Controller Cable,5 in 1 Rapid Multi Parallel Charging Hub with Charge and Storage: Toys & Games
** Dual power supply - 110-240v power brick or 12v cigarette lighter plug
** LED display showing voltage and amperage for selected battery
** Storage mode - will charge OR discharge the battery to 12V for long term storage
** Cooling fans
** Charges up to 4 batteries concurrently, each battery has a cradle to sit in, no dangling cords
Amazon link to charger:Amazon.com: Hanatora Battery Wall Charger & Car Charger for DJI Mavic Air 2 Drone and USB-C Remote Controller Cable,5 in 1 Rapid Multi Parallel Charging Hub with Charge and Storage: Toys & Games