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Hoveround Activa LX MKB ES17 12 scooter battery set

$65.00 $43.80
(You save $21.20)
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Product Description

Hoveround Activa LX MKB ES17 12 Battery set


The replacement battery set supplied by Battery Consulting for Hoveround Activa LX MKB ES17 12 scooter consists of TWO 12V 18Ah batteries, from Sigma Power Systems.  The part no for each battery is SG12180FP.  FP terminal is a thick post with nut and bolt to handle higher current required by heavy duty Wheelchairs .  Using thinner posts can result in higher heat during charge and discharge cycles and can cause damage to the post seal and result in lower battery life.  Also the posts are designed for with safety in mind.  This post are surrounded by the thick plastic cover.  This will provide additional safety during installation and operation.   This helps to reduce the accidental shorting of the terminals by the tools or other parts in the wheelchair.  Get best price and with highest quality.  Each battery in this high capacity replacement battery set for Hoveround Activa LX MKB ES17 12 scooter has the following features.


The actual capacity of this battery is 38Ah at 20hr rate compared to 33 or 35 with most of the other suppliers.  This will give you additional 3Ah capacity.

 

Model Voltage (V) Capacity (Ah) Length (inch) Width (inch) Height (inch) Weight (Lbs) Terminals Qty
SG12180FP 12 18 7.13 3.03 6.57 11.68 FP 2

 

  • This set of batteries are shipped from the same batch and VOLTAGE MATCHED for longer life.
  • Absorbent Glass Mat (AGM) Technology
  • Maintenance-Free Design with Spill Proof Construction
  • U.L. Recognized and CE Certified
  • Brand New, Factory Fresh
  • 1 Year Warranty
  • We only supply the batteries on hardware. USE THE EXISTING WIRING HARDWARE TO CONNECT THEM.


Chemistry of  Hoveround Activa LX MKB ES17 12 scooter Battery Set

This is a SLA (Sealed Lead Acid) battery with rechargeable capability. Positive plate of Hoveround Activa LX MKB ES17 12 scooter battery high capacity battery is made up of lead di-oxide while that of negative plate is made up of lead. Positive and negative plates of the battery are separated by a glass mat.  The electrolyte for this SLA battery is sulfuric acid, with the specific gravity of 1.300.  The electrolyte is absorbed in the separator, glass mat.  Hence it is called “AGM” for this battery technology. 

Construction of 12V 35Ah Battery

Each high capacity battery in Hoveround Activa LX MKB ES17 12 consists of six 2V cells. These six cells are connected in series internally to give 12V.  The case material is ABS plastic.  The Cold Cranking Amp (CCA) rating for this battery is 283A.  This battery has a nominal capacity of 18Ah at 20 hour rate. This means if you discharge the battery from a fully charged state at a current of 0.9 Amp (20 x 0.9 = 38) it will take 20 hours to reach the end of discharge voltage of 10.5 V.

Battery ConsultingHoveround Activa LX MKB ES17 12 Scooter battery

The equivalent battery supplied by Battery Consulting for Hoveround Activa LX MKB ES17 12 Scooter battery is SG12180FP from Sigma Power Systems

12V 18Ah battery is used in many different applications like wheelchairs, scooters, Uninterruptible Power Supply (UPS), emergency lights, and security systems and also in solar applications.  Generally SLA battery design life is about five years at 25 C or 77F.  When the temperature of operation is high then the battery life will be reduced.   Also number of times the battery is charged and discharged will have an impact on the life of the battery also.

Life improving Tips for Hoveround Activa LX MKB ES17 12 scooter battery:

Correct charge voltage is critical for the life of the battery.  Higher than recommended charge voltage can reduce the life of the battery depending on the charging time.  Charging at lower voltage will result in lower capacity and also reduce the life.  Recommended charge voltages are printed on the battery for both cyclic and standby applications.

The capacity of SLA battery will increase with temperature and will have reduced capacity at lower temperatures.  SLA batteries get discharged slowly when not connected to power source, called self-discharge.  Leaving the battery without charge over a long period of time can reduce the open circuit voltage of the battery may damage the battery permanently. Also leaving the battery under discharged conditions for a long period of time will damage the battery permanently.  

Higher temperatures will cause higher rate of grid corrosion and hence reduction in battery life.

Cycle life of the 12V 18Ah SLA battery is about 250 when discharged to 100%.  Shallow discharge conditions will increase the cycle life.  At the end of life is considered when the battery capacity reaches 80% of its original capacity.

Discharging the SLA batteries below 10.5V at slow discharge can also damage the batteries.  This is called over-discharge Usually there will be a low voltage disconnect installed in the UPS systems to stop the battery discharge below certain voltage depending upon the system design.  If you are using the batteries without voltage disconnect make sure the discharge is stopped at or above 10.5V per battery.



 

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