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Add info on 2018 batts, and pack indicators.

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Wookey 2018-07-06 04:07:57 +01:00
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commit 787680e8de
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handbook/charging.html
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@ -25,6 +25,11 @@ charger. Go to <a href="#RCcharge">RC charger</a>.</li>
packs. Bigger packs will take longer to charge from empty. The
capacity is on the cell label next to the yellow connector.</p>
<p>Each pack has a sliding indicator on the side. This is entirely
manual, but is very useful for indicating when a pack is known to be
charged, flat, or partly discharged. Slide the slider to show green
for full, red for flat, half and half for 'partly used'.</p>
<h3>Using Makita charger</h3>
<p>This is blue charger with 3 LEDs, and diagrammatic charging info on RH side. CHarges at up to 100W.</p>
@ -113,7 +118,15 @@ as 4-cell packs, to 4.1V per cell-pair. They can be charged at up to
packs have this yet (2017). The official Makita packs use Sony SE
US18650VT (1.5Ah, 20A high-drain) cells, and we have a few with with Samsung
INR18650-13Q (1.3Ah high-drain cells). All give a reliable 2.3-2.6Ah
capacity in practice, even after 9 years expo useage. </p>
capacity in practice, even after 9 years expo useage.</p>
<p>At end 2017 we bought two 4Ah packs. The non-makita one uses LG
DAHD21865 cells (2Ah, 25A). I can't read the Makita cell type without
unwelding the pack. For 2018 we made 3 new 5Ah packs from Samsung 25R
cells (2.5Ah, 20A) (Sponsored by uk18650.com).</p>
<p>The drill discharges at 26A current draw when drilling (~400W), so
that's 13A per cell in a 2P configuration.</p>
<h3>Makita charging protocol issues</h3>