Im not sure that these are "Battle" tanks.

Just seen this one -

[link=http://cgi.ebay.co.uk/Hobby-Engine-Leopard-A25-Radio-Control-Tank-HE0807_W0QQitemZ330367057115QQcmdZViewItemQQptZUK_ ToysGames_RadioControlled_JN?hash=item4ceb693cdb]LINK[/link]

and it doesn't say anything about battling two tanks.

Most people seem to swap the electronics for HL ones.