[Elecraft] Did anybody test any universal USB / 12V lithium battery pack for KX3?

[Ignacy]

Did anybody test any any USB/12V+ battery pack in KX3 or KX2?

I have a USB / 12V/8.3Ah model:
https://www.amazon.com/gp/product/B01337QXMA/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Seems to be 3S3 with 11.8V peak, not bad but a  bit too little for 10W
operation.

There are types with adjustable voltage like:
https://www.amazon.com/Poweradd-23000mAh-Multi-Voltage-Portable-Notebooks/dp/B015OAJFOC/ref=pd_sim_sbs_107_4?ie=UTF8&psc=1&refRID=NBT8GMPAMS3QZBC6AKWY
but if voltages are converted by switching then it can be quite noisy.

Traditionally I use 4S2 devices from batteryspace.com but they are getting
pricey and don't double as USB chargers. 

Ignacy, NO9E






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