Batteries, Chargers, and More
Confirm Checkmark

MK Battery 12 Volt 31 AH Deep Cycle Gel Battery 8GU1

MK Battery 12 Volt 31 AH Deep Cycle Gel Battery 8GU1
View Larger Image

Price: $149.00 No Tax
Add to Cart
BatteryStuff Part #: 8GU1

*LIMITED TIME SHIPPING SPECIAL FOR THIS BATTERY(starts at $10.00!) 48 States only.

This is a true Gel battery that requires a gel specific charger

MK Battery 12 Volt 31 AH Deep Cycle Gel Battery 8GU1
Product Description

MK Battery’s Sealed Gel Cell Batteries the standard by which all other Gel Cell batteries are judged. Advanced American Technology (Made in the United States) and the use of the most modern computer-aided design and manufacturing techniques combine to make MK Battery’s Gel Cell Batteries the best money can buy.

MK Battery supplies batteries that are manufactured under the most versatile computer control battery formation system and technology to achieve the highest quality. The automated, computer controlled system provides programmed functions for steps of current, time, voltage, temperature and event control to match the performance specifications of your application requirements.

NO SPECIAL HANDLING REQUIREMENTS ~ NON-SPILLABLE by DOT (Department of Transportation), ICAO (International Commercial Airline Organization) and IATA (International Airline Transportation Association) definitions.
Made in the United States

  • Gel Cell design yields extreme Deep Cycle service Performance rating
  • Less than 2% per month standing self discharge.
  • Maintenance Free
  • Valve Regulated
  • Float and Cycle Use
  • High Discharge Rate
  • Gel Cell design may offer greater reliability in extreme temperature applications
  • Leak Proof/Spill Proof
  • High quality battery/better uniformity
  • Popular Applications: RV, Marine, Solar, Communications, Power Wheelchairs, Lifts, Etc.
  • MK Gel Cell Batteries REQUIERS special battery charging profile as do all Gel Cell Batteries. If uncertain if the battery charger you currently using will properly charge a Gel Cell battery please consult before using the charger. Typically RV and Marine charging systems will require modification when using Gel Cell Batteries. Note: It is very common the AGM battery is mistaken as a Gel Cell as their outward appearance, characteristics and specifications are similar.
  • MK Battery is a wholly owned subsidiary of East Penn Mfg Co (DEKA) of Lyon, PA.
Batteries ship from various warehouses and usually deliver within 5 working days.

Recommeded Battery Box
Quick Cable QuickBox Group U1 Battery Box - 120170-001
QuickCable's Standard QuickBox 120170-001 fits all U1 group sizes batteries, including spiral cell and high performance models. With features like our QuickLock cover, mounting holes in the handles, and materials tested to perform in all conditions, these are the battery boxes of choice.

Most Helpful Customer Reviews
Review Summary
  0 Average Rating
Ratings Small
Rated 0/5 Stars from 0 customer reviews.
Write Your Own Review

Do you own the 8GU1? Please, tell us what you think about it. It helps us provide you with better products. Please note that it may take up to 72 hours for your review to appear.

Write a review

Secured by PayPal

Email Support

Technical Specifications
Length 7.75
Width 5.13
Height 7.25
Weight 24
Shipping Weight (lb.) 25
DC Output Voltage 12 V
Operating Temperature -76 ° to 140 °F
BCI Group U1
CA (@32°F) 250
Reserve Minutes 25A 47
Amp/Hr 31.3
20 Hr. Rate Amp/Hr 31.3
Charging Voltage Standby Use 13.5-13.8 V
Resistance, milliohms 4
Cycle Service Charging Voltage 13.8-14.1 V
Capacity at C/100 36.5
Capacity at C/20 31.3
Model: Group U1
Manufacturer: MK/East Penn/Deka
Manufacturer Part #: 8GU1
Made In: USA

• Read our Battery Tutorial
• Read our How Batteries Work
Instruction Manual
Icon Pdf Download Specifications Sheet

Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
276 Tech Way, Suite A
Grants Pass, OR 97526
Buy Veteran, BBB, SEMA Member, and Blueribbon Coalition