AirPods Pro Teardown @iFixit
AirPods Pro Teardown @ iFixit (video). Some components they found…
German-made, lithium-ion button cells running at 3.7 V, AirPods Pro is labeled CP1154 … estimate that this battery packs ~168 mWh.
L476MGY6 A5
Broadcom 59356A2KUBG wireless charging module
TI 97A4PQ1
NXP 610A3B KN3308, possibly a charging IC