Never ever ever charge lithium batteries unattended. Build yourself a box out of cinder blocks for future charging.
On Sat, Jun 6, 2020, 5:20 PM <ch...@wbmfg.com> wrote: > Couple of our guys came to check some thing at the shop today, the OSP > crew ready room was full of smoke. > Our horizontal directional drills use sondes in the drill head for > tracking purposes. We recharge the batts every time they come back to the > shop. > > The batts we use are smaller than normal sonde bats so they fit into an > adapter, sabot type of thing. > > The industry standard is double C cells, but the vibrations are such that > normal C cells will give you intermittant service. So most use a special 3 > volt battery that is probably just 2 c cells welded with heat shrink. > > Our new locators and sondes use a voltage a bit higher than most 3.3 volt > lithium. They like 3.6 volts I believe. So the smaller batteries are > adapted to fit the sonde, but the charger for them requires the adapter. > > They really should make the charger such that the larger batts cannot be > put in it. > > Just glad we didn’t have a fire. It did blow the corner of a piece of > shelving. > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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