Interesting battery. does it a bms (battery management system)? how does it know to stop charging?

There is a blue light on the battery

Can I use the 6F22 EBL charger for these?

I would assume as long it is 9 volt charger

I'm making a low voltage 1 watt cigar box portable mini guitar amp. Think these will provide sufficient power?

They put out power equivalent to a regular 9v battery, but I've noticed they don't last as long. For example, in my smoke detectors (continuous low draw), their charge would be almost gone in a month vs 6-8 months. However, if you designed the battery compartment appropriately, you could set it up to just plug in to charge instead of removing the battery to charge... which might be cool.

Can these optionally be recharged using an appliance rather than the USB cable?

I have a battery recharging station and I charge them in it.

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🔋 Power Your Passion with EBL's Rechargeable Batteries!

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The EBL Rechargeable 9V Lithium Batteries offer a high capacity of 5400mWh, quick 2-hour charging via USB, and a long lifespan without memory effect, making them an economical and eco-friendly choice for powering various devices.

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