The seller Hello,you can use the 2s 7.4v Lipo battery,but the setting can not be changed

LilB281 The original brushed 550 does get very hot when ran hard. I ended up switching to a 3650 4300kv brushless motor with a 120a ESC, I can now run it for an entire battery using the stock 7.4v 2600mah bat... The original brushed 550 does get very hot when ran hard. I ended up switching to a 3650 4300kv brushless motor with a 120a ESC, I can now run it for an entire battery using the stock 7.4v 2600mah batteries, and the motor barely gets warm at all. I kept the stock gearing and am really pleased with the results overall, no more worrying about motor heat for now! See More

The seller Hi,the upgraded battery 3000mah,product id is 1832442,link is www.banggood.com/URUAV-7_4V-3000mah-Battery-40C-T-Plug-for-WLtoys-144001-124018-124019-104001-124016-017-RC-Car-Part-p-1832442.html

The seller Dear customer, no, it is 38.4Ah. have a nice day!

The seller Hello, dear customers, 800 is the peak power, not the conventional power. The 500 written in the manual is stable. The written in the manual is safer. The power written is 500. 800 is achievable, but ... Hello, dear customers, 800 is the peak power, not the conventional power. The 500 written in the manual is stable. The written in the manual is safer. The power written is 500. 800 is achievable, but a certain amount is required. Conditions, this is related to the actual driving conditions. See More