I couldn't tell ya, but since the particular seller I linked is out of stock of the batteries, I'm not sure it matters.

i like chichitec's slim extended battery, bought 2 of them with a wall chager for $30 a while back, 1900mAh each. One of them lasts me 2 days but I full charge at night out of habit and not wanting to be stuck without phone on 2nd day even though I only reach 60-70% after first day lol

fortunz, i see you have a rhod500, do you know if that battery works with a rhod400 as well?

---------- Post added at 07:04 PM ---------- Previous post was at 06:29 PM ----------

Correct me if I'm wrong - but after searching, it appears the answer is yes.

Would the BTE6875 be equivalent to the RHOD170?

My 2 cents

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Mugen batteries are the best. They are the only extended slim batteries I have ever tried that actually live up to the name extended and outperform the stock batt. I have had 4 of their batteries for various devices and this week I just got the first for my Rhod and what a difference! Don't know why I waited so long to get one... I guess the rhod was just supposed to tie me over til WP7 came out... but now it looks like I'm trying to hold out for windows 8 (or 64bit cpu).

At any rate you can try to find a good one on Ebay for $10 and buy 4 different ones in the process, or you can do what I would recommend and spend $35 just buy Mugen.
http://www.mugen-power-batteries.com...t-battery.html
They have links for 4 diff models too!