MK Battery

E27 12V 88AH GEL Battery ( Sold in pairs )

Mobility Batteries
(Model No. E27 SLD G)

Starting at: $819.00 USD

Key Features

    • Superior Cycle Life: Capable of delivering up to 1,000 cycles at 50% Depth of Discharge (DOD), significantly outlasting standard AGM alternatives.
    • True Gel Technology: Uses a thixotropic gel electrolyte that is completely immobilized, making the battery leak-proof and spill-proof in any position.
    • Maintenance-Free: A valve-regulated (VRLA) design that requires no periodic watering and eliminates corrosive acid fumes.
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MK Battery

Mobility Batteries
(Model No. E27 SLD G)

Starting at: $819.00 USD
$819.00
Shipping calculated at checkout.

Description
Specifications
Information

MK Battery E27 SLD G 12V 88Ah Gel Batteries, Pair

This listing supplies two MK Battery E27 SLD G batteries. Each battery is rated at 12 volts and 88 amp-hours, with a gel electrolyte in a valve-regulated, sealed case. The pair quantity is not a statement of the capacity of a mobility-device battery bank: total voltage and amp-hour capacity depend on how the equipment is wired. Match the replacement to the device manufacturer's battery specification rather than estimating from the number of batteries.

Confirm the Installation Before Ordering

Check the existing battery model, number of batteries, tray space, terminal type and orientation, cable reach and hold-down arrangement. A battery can share the same voltage and capacity but still fail to fit or connect correctly if its case or terminals differ. Confirm that E27 SLD G is approved for the specific scooter, powerchair or other equipment before purchase.

Gel Chemistry and Charging

Gel batteries use immobilized electrolyte and are sealed; MK describes its gel monoblocs as maintenance-free and intended for demanding deep-cycle use. They still require the correct charging profile. Confirm that the device's charger and charging system are suitable for this gel battery, and do not substitute AGM, flooded or another chemistry without the equipment manufacturer's approval. Follow MK's handling, storage and charging instructions.

Pair Quantity and Service

The product is sold as a pair, which is relevant when the equipment specification calls for two batteries. Replace and connect batteries according to the manufacturer's instructions, using the correct polarity and cable arrangement. If you add the listed installation service, its labor dispatch is separate from the batteries and is non-refundable; confirm the service area and travel fee before selecting it.

Before Ordering

Verify the exact E27 SLD G model, two-battery quantity, case dimensions, terminal layout, charger profile and equipment wiring. The 12V and 88Ah ratings apply to each battery; they do not by themselves establish the assembled system's voltage, capacity or compatibility.

GEL Battery

  • Has a 160 minute reserve capacity
  • Capacity at 5hr RATE 72AH
  • Capacity at 20hr RATE 88AH
  • Capacity at 100hr RATE 99AH

Dimensions:

  • Weight: 63 lbs each
  • Length: 12.83'
  • Width: 6.56'
  • Height: 9.3'

GEL vs. AGM Sealed Batteries

AGM (absorbed glass mat) is a special design glass mat designed to wick the battery electrolyte between the battery plates. AGM batteries contain only enough liquid to keep the mat wet with the electrolyte and if the battery is broken no free liquid is available to leak out.

Gel Cell batteries contain a silica type gel that the battery electrolyte is suspended in, this thick paste like material allows electrons to flow between plates but will not leak from the battery if the case is broken.

More often than not an AGM Batteries are mistakenly identified as a Gel Cell Batteries. Both batteries have similar traits; such as being non spillable, deep cycle, may be mounted in any position, low self discharge, safe for use in limited ventilation areas, and may be transported via Air or Ground safely without special handling.

AGM Batteries outsell Gel Cell by at least a 100 to 1. AGM is preferred when a high burst of amps may be required. In most cases recharge can be accomplished by using a good quality standard battery charger or engine alternator. The life expectancy; measured as cycle life or years remains excellent in most AGM batteries if the batteries are not discharged more than 60% between recharge.

Gel Cell Batteries are typically a bit more costly and do not offer the same power capacity as do the same physical size AGM battery. The Gel Cell excels in slow discharge rates and slightly higher ambient operating temperatures. One big issue with Gel Batteries that must be addressing is the CHARGE PROFILE. Gel Cell Batteries must be recharged correctly or the battery will suffer premature failure. The battery charger being used to recharge the battery(s) must be designed or adjustable for Gel Cell Batteries. If you are using an alternator to recharge a true Gel Cell a special regulator must be installed.

If you are unsure which battery or charger is best for your application, please call or email our tech people for help making the correct selection.
Ownership Information:

No product documentation available at this time.

Warranty Information:

12 Month Full Replacement Warranty with Receipt

Shipping / Returns Information:

No shipping/returns information available at this time.