diff options
| -rw-r--r-- | doc/altusmetrum.xsl | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl index b2677a02..aa218c5c 100644 --- a/doc/altusmetrum.xsl +++ b/doc/altusmetrum.xsl @@ -278,6 +278,17 @@ NAR #88757, TRA #12200 designed for use with single-cell batteries with 3.7 volts nominal. </para> <para> + The battery connectors are a standard 2-pin JST connector and + match batteries sold by Spark Fun. Other vendors sell similar + batteries for RC aircraft using mating connectors, however the + polarity for those is generally reversed from the batteries used + by Altus Metrum products. In particular, the Tenergy batteries + supplied for use in Featherweight flight computers are not + compatible with Altus Metrum flight computers or battery + chargers. <emphasis>Check polarity before connecting any battery + not purchased from Altus Metrum or Spark Fun.</emphasis> + </para> + <para> By default, we use the unregulated output of the Li-Po battery directly to fire ejection charges. This works marvelously with standard low-current e-matches like the J-Tek from MJG Technologies, and with @@ -2199,7 +2210,7 @@ NAR #88757, TRA #12200 </listitem> <listitem> <para> - RF interface for battery charging, configuration, and data recovery. + RF interface for configuration, and data recovery. </para> </listitem> <listitem> |