Originally Posted by
Sunfish
That CASA advice is for passengers in rpt and charter. Experimental aircraft have been using lithium batteries for years and some are specifically approved by engine manufacturers (eg: rotax/earthx). I fail to see how carrying a battery as a tool would be intended to be covered by CASA advice - any more than for carrying a spare lead acid battery.
It isn't. They're talking about "spare batteries" i.e. loose batteries, exposed terminals and all such attendant risks. Not battery packs, like yours, that are properly contained in a proper enclosure with no exposed terminals/