This knock off compared to CPE4?

[dmward]

I have a couple of CPE4s and this knock off looks to be nearly identical.
Has anyone having one checked to see if the trays interchange?

http://cgi.ebay.com/New-External-Bat...1 %7C294%3A50

Thinking I'll get one or two for backup.

Is the recycle time the same with these as CPE4?

Thanks,

David