You ought to just get the battery holder that holds rechargable batterys for
your 202. I've got one and it works great. You use the same charger for it.
If you want the full 5w with that ht just use all standard batteries in that
pack and it gives you sufficient voltage.
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html