Set of 2 12Volt 35Amp Wheelchair SLA Batteries

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Price: $127.00 $116.25   

Product Feature

• UB12350, 12V 35AH, SLA BATTERY
• WHEELCHAIR BATTERY, SCOOTER BATTERY
• MEDICAL BATTERY
• EMERGENCY EXIT LIGHTING BATTERY, ALARM BATTERY
• APC BATTERY, UPS BATTERY, RBC BATTERY

Product Description

Set of 2 12Volt 35Amp Wheelchair SLA Batteries

Set of 2 12Volt 35Amp Wheelchair SLA Batteries Review

I bought a 2 pack, of the 35 amp hour, UB12350, 12V, SLA AGM batteries from this company. These are standard sized and will fit in almost all power mobility scooters and wheelchairs.

I am rating them 4 stars. Why? Service. Price. Quality. Quick Shipping. All deserve 5 stars.

However, packaging for the shipping and arriving sometimes with bent terminals? Should get 3 stars at most.

Each battery was shipped separately, inside its original box (made in China), and that box was then placed inside another box. One battery arrived with 2 bent terminals (one of the terminals also being squashed kind of flat) and the other battery arriving in perfect shape. I had previously read that there are sometimes problems with shipping. Too bad. Just putting them inside a little bit better shipping box could avoid ANY problems. Then I would give them 5 stars. But as it is, your battery may arrive with bent or squashed terminals. Then you have 4 concerns:

1. Should you try to straighten out the terminals? Lead is soft and straightening it out can sometimes be done. But you have the fear that you might break the terminal completely.

2. Or, you might crack the `leakproof' battery case, either at the top, around the terminal or on the side, while using pliers and wrenches to fix the terminal.

3. If you try to fix it yourself, are you voiding the warranty, if your attempt to fix it fails and you need to return it?

4. If you decide NOT to try to fix it, but just to return it for another, you will then have the hassle of contacting Amazon.com, repackaging it, printing a shipping label and waiting for a replacement. Not necessarily a big problem, but an inconvenience, and there is no guarantee that the replacement might not also arrive with bent terminals. Still, this is probably the `safest' option of the 4. (Save your shipping boxes.)

Both of my batteries arrived fully charged at 12.85 and 12.86 volts, measured on my voltmeter. After straightening the posts on the one battery and putting them on my charger, they ran up to 13.05 volts, but once the surface charge was bled off, they sat at 12.94. This is greater than or equal to 100% charge, which is generally listed as 12.7 volts, in case you don't know. They provide plenty of long lasting power, and will send my power wheelchair/scooter many miles. I plan to go to Disneyland with mine, next month, which is why I bought new batteries.

These are SLA (Sealed Lead Acid) AGM (Absorbed Glass Mat) batteries. Some people contend that power wheelchairs and scooters should use equivalent GEL batteries, but there is not much practical difference for most users. The GEL batteries MIGHT survive a few more chargings, that is the advantage of GEL, but the difference is probably nil for most people. How many more chargings do you need when they can both be charged well over 1000 times, if properly cared for? On the other hand, the AGM batteries cost considerably less than GEL, carry about 10% more power (35 amp hours, compared to 31 amp hours for the equivalent GEL battery), and they charge faster with less problems. Both types of batteries are fully sealed, leakproof, and rated for travel, including on airlines.

If your scooter or wheelchair takes two batteries, you should probably replace both batteries at the same time. Certainly you SHOULD NOT use one GEL battery and one AGM battery together.

I am very happy with mine, and I will order these again, if I ever need more.

Addendum: I took my mobility scooter out and I went 3 and � miles in it. Then I checked the voltage of the batteries and they had dropped to 12.48, indicating about a 15% discharge. According to that, these batteries should power my chair at least 15 and maybe even 20 miles before draining too far, and I am a very big heavy guy. Clearly they are working well. Most people could probably go farther. Around the house they might only need to be charged once a week, but if using them more, they should be charged every day. Most experts agree that with batteries like this, if you charge them daily, or at least regularly and don't drain them more than 50% between charges then they should last for years.

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