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Electric scooter won't hold charge. New SLA batteries. Cool winter temps.

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Disability scooter TE388EM PLHSLANG does not keep charged need a new batterie but dont no what to buy

hi Mrs Hudson, that 's also know as a Rascal but really it is using parts made by Shoprider,

Now regarding battery size , the maximum size i believe are called 12v - 33 or 34 or 35 amp Gel batteries.... you will need a pair of these..


Nov 17, 2015 | Health & Beauty


How to extend the battery life of Razor Scooter Batteries

You can extend the life of your scooter's battery if you take proper care of it. Most people report trouble in getting more than a year or two out of their razor scooter battery set. This is actually a common problem with vehicle batteries.

  • Keep your battery charged
It is recommended to keep your battery fully charged to avoid the build-up of sulfate-ion inside it. Sulfate-ion accumulates when the battery is in a discharged state for a long time.This is the most common reason of premature depletion of lead acid batteries. This can be easily avoided if the scooter battery is kept in a constantly charged state.

  • Charge you Razor Scooter Battery during the Off-Season
Even if not used Sealed Lead Acid Batteries will self discharge over long periods. This will leave the battery in a not fully charges state which will enable the sulfate-ions to build up inside the internal plates which will slowly deplete the battery's capacity. In order to prevent that, you should charge the razor scooter battery at least once every three months when it is not in service.

  • Use a Battery Tender
Battery Tender chargers are a great way extend the life of your SLA batteries as they are designed to fully charge and maintain a battery at proper storage voltage without the damaging effects caused by trickle chargers.


Battery Maintenance 101 How to Extend Battery Life of Razor Scooter...

BU 804b Sulfation and How to Prevent it

Deltran Battery Tender

on Jun 19, 2015 | Razor E100 Electric Scooter

1 Answer

Charging batteries

Hi, you really need to keep those batteries above 10c, minus 30 will freeze the contents, the battery will need to be thawed out before use* ( *Electric mobility advice). You will need to have a heated blanket that can safely be used outdoors otherwise you will always have problems with the batteries... Sorry but the cold kills batteries or battery power very quickly because they cannot transfer charge well.


Oct 29, 2013 | Invacare Supply Group Invacare Scooter...

1 Answer

Razor electric scooter e 300 battery charges but won't run

first check to ensure the batter has held the charge you put into it. Just plugging the charger in does not mean the battery is holding the charge. If the battery is bad, it will drain as fast as you put it in. if the batter holds a charge, should be able to disconnect the charger and battery will show charge. if so, you have a bad connection or motor.

Jun 29, 2013 | Motorcycles

1 Answer


Ebay lists over 150 of them. 12v 19ah will get you to a seller.

The jump starter won't have a problem with the extra ah capacity but there might be a problem with the physical size of the battery.

The jump starter's charge function may work a little harder though.

Oct 01, 2012 | JUMP START SYSTEM

1 Answer

Wont hold a charge for long

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Problem with Scooters
schooter slowsdown that stops after a while schooter starts

Posted by avatarLeonard Cannon on Apr 26, 2012

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I'm assuming you have a full charge on your batteries? The problem is that the charger can be fulled into thinking that your batteries are at a full charge when they are not. The battery will put out he correct voltage so your voltage gage reads right. The battery will put out the correct resistance so the charger will see a charged battery. Chargers work by resistance the lower the resistance the harder the charger works to charge the battery. So the only way to determine the real state of charge is to bring the batteries to a battery shop. Have them load test the battery in your presence if the battery is new. This is not a pass or fail test.What we are looking for is the upper limit of the cranking amps the battery will output.They may tell you this battery isn't supposed to be measured that way because in battery is not used to start a car. Well most of the equipment is geared for measuring car batteries. For what we are doing here it doesn't matter. For my scooter batteries i use two 12v 35amp/hr batteries. Have them grab a new one off the shelf, have them find the upper limit of the amp output. What happened to me is i didn't watch them do this test. The instrument he was using will give you a pass.or fail indication at a preset level of about 150 amp/hr unless you manually input a higher level to test for. This was a new battery and they want it to pass. I had them find the upper limit of a new off the shelf battery by entering higher values into the test instrument until it failed back off on the value until i found it passed. A new battery like the one my scooter uses will put out close to 500 cranking amps. Well when i tested my battery it barely reached 200 cranking amps. So in fact this battery doesn't have the capacity of the off the shelf battery. So as you load it the voltage goes down. My motor controller will detect that and give me a fail indication.

oK if this is not the problem we can look for amp leaks. Put a amp meter between the battery and the load. Turn the scooter off, get a reading?.If you do something is either on or a resistive short drawing down your battery. Disconnect stuff until the reading is zero. What ever you disconnected last will give you the section of the scooter the problem is coming from. Like if you disconnect the control head and it drops to zero i would start there. Turn the scooter on there should be an indication, but it should be under an amp. Now get the rear wheels up so that they can rotate freely. Apply just enough power to move the wheels. Look at the meter if its a analog meter does it jump around. Does the motor stall at any time. If the first thing happens you have a partially shorted winding in the motor. IF the second thing happens the meter will jump up or down indicating either an open or shorted winding.
Now floor it jot down the amp draw. IS it excessive? We check this by doing the math. My scooter use two 12 v 35 amp/hr batteries hooked in series. So i have a 24v system @ 35amp/hr, the scooter has a loaded range of 25 mile at a speed of 5 mph.So my battery life is going to be about 5 hours. So we can say the motor loaded on a flat surface will use about 7 amp/hr. So running the motor flat out unloaded is going to be less than 7 amp/hr. My scooter's motor runs at about >5 amp/hr unloaded. Hope this helps

Apr 15, 2012 | Electric Mobility 3 Wheel Motorized...

2 Answers

I was given a Razor E300 and was told that the only thing wrong with it was it needed a new charger. Well, I got the charger and it states the razor is charged but the razor still doesn't work. Any...

You have to make sure that the batteries are still good.
Take a volt meter and read the levels that the batteries are producing. If the levels are too low, then your batteries may have sat, unused, for too long. SLA (Sealed Lead Acid) batteries will generally lose their charge holding capabilities if you leave them in storage for too long without charging them.

YOu can get replacement batteries at this online Electric Scooter Parts Store:


Oct 16, 2010 | Razor E300 Scooter

2 Answers

My sons razor E300 duns only at about 2 mph on a full charge. Its only been use MAYBE 20 hours over last 1.5 years and has never had any problems til now. The brake is not overly tight, the chain is lubed...

Dead battery. You must follow the proper battery maintenance procedures in order to prevent that from happening. Most likely the battery has sat for an extended period of time and has dried out.

Oct 09, 2010 | Razor E300 Scooter

2 Answers

How do you change battery on scooter x360

You probably have a 24 volt or 36 volt system. For each 12 volts, you will need 1 battery. Thus, you will need 2-3 batteries. The batteries are located between the footrest in the middle. Some have an access panel. If your model does not have that panel, then you have to remove the seat and plastic body, a very time consuming and annoying process. You may even have to remove the steering stem. Pull out the batteries, TAKE SEVERAL PICTURES of the wiring so you can put it back together exactly the same way. The wires have to be in series. If you screw this up, best case it won't charge properly, worst case you can overheat and damage the batteries, even causing them to explode and cause a fire in extreme cases. The old wires may be soldered on. Just snip them off and install new connectors that you can find at walmart, radio shack, or any automotive store. The manufacturer should have left a little extra wire to allow for this. If not, you may have to remove the solder with a soldering gun and reuse the existing connectors, or run new wire. You probably need 12V7AH, 12V8AH, 12V10AH, or 12V12AH SLA batteries(SLA means sealed lead acid, V means Volts, and AH means Amp Hour). It should be stamped on the side of the battery. 10AH and 12AH are the most common. They should cost about $25-$40 each depending on the supplier and size of the battery. The higher the AH, the more expensive the battery. Once you've changed the batteries, charge them completely before using it. FYI: Always fully recharge the batteries after you deplete them. Letting them sit discharged will drastically shorten their life or even ruin brand new batteries. Also recharge the batteries every couple of weeks, even if you aren't using the scooter. They gradually discharge when sitting. If you keep the batteries charged, you should expect about 1.5 - 2 years out of them for average use. Hope this helps.

Jun 19, 2010 | Electric X Treme X 360 Scooter

2 Answers

Require a set of batteries(2)& connecting the same in the scooter

You can get replacement batteries from here . Watch the video below to see how to replace them in any razor scooter. You can use your current wires to save up some money.

Oct 20, 2009 | Razor E100 Electric Scooter

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