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21st Century Sportster Stretch (Replacement) Battery Set

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Product Description

21st Century Sportster Stretch Replacement Batteries Specifications:

Volts: Amp Hours: Terminal: Length (in): Width (in): Height (in): Weight (Lbs): Chemistry:
12 100 NB 12 6.6 8.15 136 Sealed Lead Acid (AGM)

The batteries in the 21st Century Sportster Stretch electric wheelchair can be replaced by these 2 Sigmastek SP12-100 NB batteries ( 12V 100AH with NB terminal). These SigmasTek SP12-100 NB batteries are manufactured to the highest industry standards, and are designed to comply with the OEM 21st Century requirements and even exceed the performance. To confirm the equivalence between your current Sportster Stretch battery, all 21st Century Sportster Stretch replacement batteries are precisely checked by our technical specialists, and we guarantee 100% compatibility.

You have to install the new 21st Century Sportster Stretch replacement batteries in your wheelchair in the same original configuration and reuse the existing cables and hardware.

If you have any doubts regarding the characteristics or model of the battery you need, do not hesitate to contact us:
  • TOLL FREE Number: (800) 650-1708
  • E-mail:
  • Or use our Live Chat at the lower right corner of your screen.
We offer quantity discounts on all our products. Request a quote today and get an even better deal!

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Warranty Information

The 21st Century Sportster Stretch replacement batteries come with a 1 year warranty. If the received product fails to perform during that period, please contact us either by calling (800) 650-1708 or via email. We will then provide you with a warranty claim form, which you will need to fill out and send back along with pictures of voltage meter readings.

Once we have all the information, our Customer Service representatives will respond with a resolution to the problem. If the product is indeed faulty, will send a brand new replacement for it within 24 hours.

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