# Magic Magnet review thread "price increase" **URL:** https://community.electricforum.com/t/magic-magnet-review-thread-price-increase/5783 **Category:** GEM Forum **Created:** [February 13, 2016, 10:39am UTC](https://community.electricforum.com/t/magic-magnet-review-thread-price-increase/5783 "2016-02-13T10:39:30Z") **Posts on this page:** 1 **Showing post:** 137
### Author: ![JarJarJava](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jarjarjava/32/15158_2.png) [@JarJarJava](https://community.electricforum.com/u/JarJarJava) #### Post date: [August 5, 2019, 10:21pm UTC](https://community.electricforum.com/t/magic-magnet-review-thread-price-increase/5783/137 "2019-08-05T22:21:06Z")
Reprogramming the controller won’t really get you any additional speed that the Magic Magnet couldn’t. It can change your motor performance profile a bit, like acceleration lag, etc. Your best bet for additional speed without buying a new motor is to add a 7th battery to bring the GEM up to 84 volts. With the stock motor, you should be able to hit low 30’s. I have hit 39-40 with the 7.5hp R4F motor on stock R12 tires and two of us in the vehicle (I have since set the governor at 35 though because that’s 6k rpm on the motor) Rodney does it with a lead battery: > [@84 Volt 2 Seater](https://community.electricforum.com/t/84-volt-2-seater/15470): > > A few weeks ago I stated that I intended to add a 7th battery to my 2002 two seater. This is the result. Three/four miles of extra range. Lots of acceleration. 42 MPH but limited to 38. The last 4 MPH EATS!!! range, True 22 miles range on turf mode flat ground.@ about 30 MPH TECHNICAL 2002 2 seater 8.9 gearbox 21" diameter fat tires on 10 inch rims (205 65 10) 7.5 RFF Black Motor (My Mods) INWO Spoof. (I asked INWO to make me a modified Spoof to allow 2 more volts thru to better balance contr… I did it with a custom lithium pack from @Inwo > [@LiFePo4 "7th battery" on a lead bottom GEM](https://community.electricforum.com/t/lifepo4-7th-battery-on-a-lead-bottom-gem/16591): > > This was an idea that Dave @Inwo came up with at some point in the past and I was the first ̶i̶d̶i̶o̶t̶ scientific pioneer willing to test it… … Adding an extra battery after the main contactor, so that only the high amperage terminals on the controller see the extra voltage. Translation, no voltage shunt needed for control power and that somehow changes how the controller sees things and the car performs and I’m gonna let Dave explain that part because he’s an electronics genius and I just f… We both achieve the same end, more speed and more range. We’re just wired up differently. Rodney’s costs a lot less, mine has a lot more convenience to it. If you are thinking about it, I can go into more detail. --- _[View the full topic](https://community.electricforum.com/t/magic-magnet-review-thread-price-increase/5783)._