Would these Ni-Cad batteries require venting like lead-acid batteries would? <div><span class="778290421-13042009"><font face="Arial" color="#0000ff" size="2">The engine
generator is 250 kW and the batteries are Nickel-Cadmium type: ALCAD Cell Type
XHP52 (Qty. 20). </font></span><br clear="all"><br>-- <br>Best,<br>Bill Roush<br>Heartland Solar Energy Industries Association<br><a href="http://www.hseia.org">www.hseia.org</a><br>Heartland Renewable Energy Society<br>
<a href="http://www.heartland-res.org">www.heartland-res.org</a><br>
</div>