Updated chargin info a little for 2017

handbook/charging.html

@@ -13,7 +13,7 @@
 
 <h2>Instructions for charging</h3>
 0) <li>If the battery has insulation tape on it (red or earth) it won't
-charge on the Makita charger (feel free to confirm this). Go to <a href="#RCcharge">RC charger</a>.</li>
+charge on the Makita standard charger and the Balance/RC charger should be used. Go to <a href="#RCcharge">RC charger</a>.</li>
 
 <h3>Using Makita charger</h3>
 
@@ -46,7 +46,9 @@ down 'start/enter' button (on right). It will do a battery check.</li>
   <li>If it shows '4' as the number of cells, then press 'start/enter'
 again. Charging will start (fan comes on, display changes). If it
 shows anything else like 'polarity reversed' or 'connection break'
-then fix the connection to the battery.</li>
+then fix the connection to the battery. If it shows '3' as number of
+cells it is probably knackered, but possibly can be coaxed back into
+action. Find a battery expert - don't just use the charger anyway.</li>
 
   <li>Once it beeps and says 'FULL' (flashing) then you are done (should
 be less than 2 hours). Display shows number of mAh put in in
@@ -62,14 +64,16 @@ in a couple of minutes. This may waste a 'life' on batteries that
 still work on the Makita charger. Checking it on the RC charger will
 not waste a life. It will quickly rise to 16.4V, and the current drop
 to 0.1A or so. That indicates a full pack. It will tell you so after a
-while (few mins?).
+while (1-5 mins).
 </p>
 
 <h3>What sort of batteries are they</h3>
 
 The drill batts are 4S2P 14.4V lithium ion packs (8 18650 cells: 4 in
 series, each being a parallel pair). This means that they are charged
-as 4-cell packs. They can be charged at up to 3A rate.
+as 4-cell packs, to 4.1V per cell-pair. They can be charged at up to
+3A rate. Battery 1 has connector wired as balance connector. No other
+packs have this yet (2017).
 
 </body>
 </html>