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Just wanted to share another fast charging method I haven't seen posted. As I have multiple wheels (NB1 E+, KS-16S) as well as a ninebot mini-pro and an ebike. I was looking for a method that would work for all of them. Decided to purchase a Cycle Satiator (yes it's expensive but very versatile: http://www.ebikes.ca/product-info/cycle-satiator.html) and programed multiple fast 100% and 80% charge profiles it for each toy. Voltage is listed the original chargers for each and you just have to decide what amperage you want to charge it at. (up to 5A for the one I bought). I bought a packet of Anderson Connectors (https://www.amazon.com/dp/B005P9CATU/ref=pe_861660_138883610_fxm_4_0_n_id) and inserted them on each of the original chargers as pictured below. That way the original charger still works and you don't have to find these odd connectors for each toy. Not trying to plug the Cycle Satiator just figured you all might find the setup useful as another option to consider. I've read up on fast charging, but some if it goes over my head pretty quick (and I still have a few questions) so if anyone sees any issues please let me know. Cheers, A
The Charge Doctor with double input for IPS (Holtz, Zero...) is available. You can order it on the "Buy" page of my blog : http://hobby16.neowp.fr/buy/ I've also had questions about the IPS chargers, so I have posted a how-to mod a generic charger to make a customized charger with the right connector : http://hobby16.neowp.fr/2016/11/20/charger-customization/ The how-to is posted below as a backup : Charger customization Most e-wheels have settled for the GX16-3 connector. Some though use a different format and the corresponding charger may be difficult to find and are mostly more expensive. A customized charger with the right connector can be made from a generic 2A charger with the wiring instructions below. Various ewheel connectors, size and pin comparison Most frequently found connectors e-Wheel Socket Wiring Voltage Topo* Remark Most e-wheels GX16-3 1: V+ ; 3: 0V 67.2V 16S connector for Solowheel, Airwheel, Gotway, Firewheel, King Song… Gotway MSuper3 84V/1600Wh GX16-4 1: V+ ; 2: 0V 84V 20S other MSuper3 with battery <1600Wh have GX16-3 connectors IPS (Holtz, Zero…) GX16-4 2: V+ ; 4: 0V 67.2V 16S warning, same connector as above but different wiring! InMotion V8 ** GX12-3 1: V+ ; 2: 0V 84V 20S same connector & wiring as hoverboards InMotion V3,V5 Lenovo Int:V+ ; Ext: 0V 84V 20S Lenovo square socket, originally for Lenovo laptop power supply Ninebot One*** Lemo 63V 15S see photo for wiring*** Ninebot Minipro, Xiaomi ** GX12-4 1: V+ ; 4: 0V 63V 15S *16S = 16 LiIon cells connected in series, total voltage calculated using battery full value = 4.2V/cell ** important, the numbering order on GX16-3 connectors is totally different from the GX12-3 : from left to right 3-2-1 for GX16-3 compared to 1-3-2 for GX12-3 !!! Likewise for GX12-4 and GX16-4 GX12 and GX16 plugs, note the difference in pin numbering *** Wiring for Lemo on NinebotOne Beware of the charger For this mod, I recommand using the fanless 2A generic chargers. Even if they tend naturally to warm much more than a (noisy) charger with integrated fan, they have many great features: availability for various voltages, noiseless, compact and transportable… They allow fast charging at 4A by a parallel connection with the original charger using a Duo Charge Doctor (or even at 6A with the Triplex CD). Warning though, some 1.5A chargers are sold as 2A chargers. They have a smaller housing and are very hot when charging, thus unreliable in the long term. When buying it online, the vendor never details the housing dimensions and count on the buyers not to check the actual current to sell it. Without stated dimensions, the difference can still be made looking at the distance between the rectangle and the grooves (see arrows on the picture). Any vendor with such dubious practices should be avoided anyway. So don’t be misled, buy only the 2A charger with the bigger housing. Chargers 2A and 1.5A, size comparison