Yes you can charge them in someone elses case. But the case needs to be the same model as your AirPods. The only exception is Gen 1 and Gen 2 cases as explained above. As long as the AirPods are compatible with the case you can charge them.
Do AirPods 1 and 2 Have The Same Case? - The Gadget Buyer
01/12/2021 — Yes the AirPods 2 case is backward compatible. And since the Qi standard for charging is built into both cases either one can be used to ...
Charging Airpods 2 in Airpods 1 case - Reddit
30/06/2019 — Yes. Only thing you cant do is mix an AirPods 1 with an AirPods 2. Cases however work fine across generations.
Charge AirPods (all generations) or AirPods Pro (all generations)
Charge with a cable Connect the case to a power outlet using a Lightning to USB Cable and a compatible power adapter. Wireless charging case For AirPods (2nd ...
Will gen 2 AirPods work with 1st gen case? - Apple Support Communities
Will gen 2 AirPods work with 1st gen case Re-Titled by Moderator
Can You Charge AirPods In A Different Case? - BURGA
28/01/2022 — Yes you most certainly can. It is possible to use various charging cases. You will need to make sure that the ...
Can AirPods Be Charged in Another Case? (Quick Answer)
26/04/2022 — Can You Charge Original AirPods 1 or 2 in an AirPods Pro Charging Case? The original AirPods 1 and 2 have a ...
How to Charge AirPods Without the Case The Real Deal - Headphonesty
18/10/2022 — Yes you can use a different case to charge your AirPods. As long as the AirPods are compatible with the case ...
Can Airpods Be Charged in Another Case? - Decortweaks
Yes Airpods can be charged with a different case. All you would need to do is place your Airpods in the new case open the lid ...
AirPods 2 vs. AirPods Whats the difference? - iMore
22/07/2022 — AirPods 2 with Wireless Charging Case ... AirPods 1 AirPods 2 ... But you could get some cool AirPods cases to ...