Is there a way to display the billing history in a seperate page?

0. Backup your aMember installation (files).
1. Copy amember/member.php to amember/history.php
2. Edit file amember/history.php and replace
"member.html" to "history.html" inside.
3. Copy amember/templates/member.html to amember/templates/history.html
4. Edit amember/templates/member.html and remove everything about billing history:

PHP:

<p align=center><b>Your payment history</p>
<table class=hedit style='border-collapse: collapse;'
border=1 bordercolor=#A0A0A0>
<tr>    
    <th>Product</th>
    <th colspan=2>Period</th>
    <th>Payment System</th>
    <th>Amount</th>
</tr>
{foreach from=$payments item=p}
<tr {if $p.is_active}style='font-weight: bold;'{/if}>
    <td>{lookup arr=$products key=$p.product_id}
    {if $p.cancel_url}<br><a href="{$p.cancel_url}" target=top>Cancel</a>{/if}
    {if $p.data.CANCELLED}<br><b><small><font color=red>CANCELLED</font></small></b>{/if}
    </td>
    <td nowrap>{$p.begin_date|date_format:$config.date_format}</td>
    <td nowrap>{if $p.expire_date eq "2012-12-31"} - {else}
         {$p.expire_date|date_format:$config.date_format}{/if}</td>
    <td>
        {lookup arr=$paysystems key=$p.paysys_id}
    </td>
    <td align=right>{$config.currency|default:"$"}{$p.amount}&nbsp;</td>
</tr>
{/foreach}
</table>

and add a link to amember/history.php instead.

5. Edit file amember/templates/history.html and remove everything but history displaying code.

6. Try all.