This article was originally published in 2020 as part of the HamZone community's trial run and has been reprinted from. @BH2RSJ
Portable power box
Produced by Old Boy Studio, 12V, 21Ah capacity, polymer battery cells, arranged in a 5-in-parallel and 3-in-series configuration.
Pros: Good workmanship, easy-to-use ports, and multiple options. Cons: Low voltage from three series of polymer batteries. Not suitable for high-power shortwave radios.
------------bh2rsj, purchased, disassembled, shown in image
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