So theoretically its possible to reprogram a es2 circuit board from a bird scooter that doesnt have the GPS Box (Bird Brain)? Because i came across a handle bar set with one... To view images REGISTER or LOGIN for full access.
Other then the handlebars being slightly different, (ES2's feel more plastic and no QR badge on the left like the ES4) There is a sticker on the bottom that usually tells what model it is- but chances are its usually gone or ripped. From what i can tell and what Ninebot's site says, the ES4 is just a ES2 with a extended battery included so it has a higher top speed (18.6mph) and longer range (28 miles).
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The ex. battery in question looks like this but with rubber guards on the side.
From what i can assume, people must snatch these off of Bird Scooters quite easily cause all the ES4's i've seen have the port where its supposed to be- wide open.
+2 to the Harbor Freight kit since it has a head which allows you to use bits on ratchets and cause its bang for the buck.