Recent content by Diamondback

Apart from the soldering of the battery and charge wires it was a straight drop in. With a small change to the battery mount and hold down. Once the brushes were sorted, it never had any more issues starting. Or hill climbing. In fact it climbs hills now better than it did with the SLA...

This is the first ping battery and bms I’ve used in a scooter. Given it’s fairly low power requirements, it’s been fine. If we had the money I would have liked to have added the larger AH battery for extra range. But at around 30km or so from the one we got it’s more than enough for his...

Update. I spent a few hours today on the scooter. I pulled the motor and removed the armature and brushes. There definitely was some wear and dirt. I polished the commutator and polished the brushes with fine emery paper. Splashed some shellite around also to help clean out the casing and...

I tried to get the rear wheel off today and failed. I don’t have a long enough tool to get enough leverage on the nut. And without the wheel off the motor can’t be removed. So I’ll have to see if i can get to the brushes without removing it. There is a black rubber weather proof cap on the...

Yeah. The motor is on a transaxle between the rear wheels. Looks fairly well sealed, though the rubber Boot that seals the motor is not seated properly. I’ll continue investigation tomorrow. I will plug and unplug all the main power wires going to the controller and motor and see if that...

Here’s what I’ve found so far. Leaning more and more towards motor and or brushes. Under load, to the point the scooter actually stops moving, (tested on a hill in reverse so worst case scenario) voltage drops to 25.9V. On a fully charged lifep04 ping 24V pack. Pack was resting voltage...

Thanks for the tips. I’ll be taking a close look at it today and try to see what’s causing it. I’ll start with the motor brushes. As i Suspect that’s the most likely thing, given how new the battery is. I will report what I find. Jason.

Hi all. I’m back. The lithium upgrade went well with a range of around 35km on a full charge. But we have a new issue now. About a week ago, he managed to get it a little wet. Not flooded. But he did get caught in light rain. Now when starting off there is a bad shudder. Once moving it’s...

Cool idea. Thanks.

The battery has been installed and works great. First full charge got him just over 30km range and the battery took roughly 27ah to recharge. Plenty of range. Now all I need is to find a decent SOC meter for it. Doesn’t need to be a current shiny type. Just based off voltage would do. So he...

I didn’t know about the drop in option. I’ve already ordered the ping battery. So have to make that work. This particular scooter only uses the 2 pins on the xlr plug. It’s a cheap Chinese import. (Cheap is relative when it comes to mobility scooters) Good point about the weight. Hadn’t...

Not with the way he drives already. Lol. I could hide a “turbo” button somewhere though ;) Jason.

Thanks. I like the 4 pin idea. Edit. Thinking about it, I should be able to achieve this using the current 3 pin xlr charge plug it has now. The negative side of the fan can run to the battery charger directly (scooter side) and the positive line in the charger side plug can be bridged to...

A thermo switch hadn’t really occurred to me. , but given where we are, summer often sees days much hotter than 30°c so would have to be careful that a temp switch doesn’t drain a parked up battery either. The charger we have coming is a 4A unit. And the scooter is only 400W brushless dc...

Hi all. It’s been quite some time since I posted anything in the forum. Life kinda got In the way. My father (79) has a few health issues and few years ago I bought him a scooter. It’s a 3 wheeler. It has 2x12v sla 28ah (supposedly 28ah) batteries in Series for 24v. The lead is not giving...