<div>Check out the 1100mah packs. I have two of those in my 50cc Extra.</div>  <div>&nbsp;</div>  <div><A href="http://www.enerland.com/product/p11.php">http://www.enerland.com/product/p11.php</A></div>  <div>&nbsp;</div>  <div>Bob R.</div>  <div><BR><BR><B><I>chris moon &lt;cjm767driver@hotmail.com&gt;</I></B> wrote:</div>  <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">  <STYLE>  .hmmessage P  {  margin:0px;  padding:0px  }  body.hmmessage  {  FONT-SIZE: 10pt;  FONT-FAMILY:Tahoma  }  </STYLE>  Joe, the biggest problem is weight. A 2300mah cell weighs 70g (2.46oz) <BR>and you need 2 so you will be at or over 5oz with connectors and wiring.<BR><BR>Here is a technical paper from FMA that I found on the A123 batteries.<BR><BR>http://www.fmadirect.com/support_docs/item_1229.pdf<BR><BR>Chris<BR><BR><BR>Joe Dunnaway wrote:<BR>&gt; Anyone using A123 cells for your receiver batteries? Any <BR>&gt; problems, advice or hints?
 What chargers? <BR>&gt;<BR>&gt; Thanks<BR>&gt; Joe Dunnaway<BR>&gt; _______________________________________________<BR>&gt; NSRCA-discussion mailing list<BR>&gt; NSRCA-discussion@lists.nsrca.org<BR>&gt; http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>&gt;<BR>&gt;<BR><BR><BR>  <HR>  Get more out of the Web. Learn 10 hidden secrets of Windows Live. <A href="http://windowslive.com/connect/post/jamiethomson.spaces.live.com-Blog-cns!550F681DAD532637!5295.entry?ocid=TXT_TAGLM_WL_getmore_092008" target=_new>Learn Now</A> _______________________________________________<BR>NSRCA-discussion mailing list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</BLOCKQUOTE><BR>