PSA: MaximalPower 9V USB Type-C Charging (Too Large)

[0xud2bw4]

https://www.amazon.com/gp/product/B09NZTMQYL

These 9V USB-C charging batteries do not fit in the A9 (too large).
NOT a complaint against the A9, just wanted others to be aware so they don’t waste money on something that won’t work in their device.

Had hope since the regular MaximalPower 9V do fit.

[TajD]

I can’t speak to A9, but I describe my experiences with 9V lithium rechargeable batteries for the P9 prototype here:

P9 field test update

Field test update of P9 on convenience of have integrated coils: it is incredibly convenient to not have the wires for most applications. I have used it on my hip, on my ankle when sitting or at night, and in my pocket without using external coils. The flip side is the external pair of coils can be wrapped around a belt or an ace bandage reducing the probability of me dropping it (yes already did one hip drop - had sandwiched it between my belt and pants - of the p9 and fortunately Bob ma…

I learned to get rechargeable lithium 9v batteries without integrated charging (9vs with integrated charge controllers are the ones where you can plug micro-usb into the battery directly to charge it).

[LWM]

I have found that different brands are definitely not exactly the same size! I have resorted to using a rubber band a few times, lol.