Those Reedy batteries should work fine.
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</div><div>This is what I use.</div><div>
</div><div>http://www.hobbyking.com/hobbyking/store/__24684__ZIPPY_Flightmax_5700mah_2S2P_50C_Hardcase _Car_Lipoly_DE_Warehouse_.html</div><div>
</div><div>They are 2s, so 2 of them need to be use together by using the series adaptor included with the mt4, then it becomes a 4s

</div><div>I have the 5400mah model which have the exact same dimensions as the 5700mah I linked. They fit in the battery tray with no mods at all</div><div>And even better, you can buy them from Hobby king's European warehouse so shipping is cheaper and quicker.</div><div>
</div><div>And when you mean an order is placed do you mean you bought the vehicle or batteries</div>