SKU: 91482624291

Century 12V 37Ah Gel Deep Cycle Battery

Sale price$163.23 Regular price$181.37
Save 10%

Pay in installments of $45.34 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 21 - Sep 26

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Century 12V 37Ah Gel Deep Cycle BatteryCentury 12V 37Ah Gel Deep Cycle Battery: Premium Gel Deep Cycle Technology for Demanding Applications The Century 12V 37Ah Gel Deep Cycle Battery is engineered to deliver reliable, long lasting energy storage for a wide range of demanding applications. Built with Centurys industry leading Gel electrolyte technology, this battery suspends the electrolyte in a thick, immobilised gel state. This advanced internal structure not only eliminates the risk of

Century 12V 37Ah Gel Deep Cycle Battery: Premium Gel Deep Cycle Technology for Demanding Applications

The Century 12V 37Ah Gel Deep Cycle Battery is engineered to deliver reliable, long-lasting energy storage for a wide range of demanding applications. Built with Century’s industry-leading Gel electrolyte technology, this battery suspends the electrolyte in a thick, immobilised gel state. This advanced internal structure not only eliminates the risk of leaks and spills but also provides exceptional protection against plate damage caused by vibration and deep discharge cycles.

Designed to withstand the rigours of the Australian climate, this deep cycle battery outperforms traditional lead-acid equivalents in cycle life and reliability. It is the ideal power solution for mobility scooters, electric wheelchairs, marine vessels, and recreational vehicles (RVs) where consistent power delivery and safety are non-negotiable.

Superior Deep Cycle Performance and Longevity

Unlike standard car batteries designed for short bursts of power, the Century 12V 37Ah Gel Deep Cycle Battery is constructed with heavy-duty lead-calcium grids and high-density active material. This design allows the battery to withstand repeated deep discharge and recharge cycles without significant degradation. The gel formulation prevents acid stratification—a common killer of flooded batteries—ensuring consistent performance throughout the battery's lifespan.

Whether you require steady power for a trolling motor or reliable energy for medical mobility equipment, this battery offers superior deep discharge recovery. Delivering up to 400A discharge current (5 seconds), this compact unit provides reliable bursts of power when needed.

Maintenance-Free and Vibration Resistant

One of the standout features of the Century 12V 37Ah Gel Deep Cycle Battery is its completely maintenance-free operation. The valve-regulated, sealed design means there is no need to check fluid levels or top up with water, making it perfect for installation in hard-to-access areas. Furthermore, the immobilised gel acts as a shock absorber for the internal plates, offering excellent vibration resistance. This makes it particularly suitable for mobile applications like camper trailers and boats where travel over rough terrain or choppy water is common.

Storage and Efficiency

Efficiency is key in off-grid and backup systems. This battery features a low internal resistance and a self-discharge rate of less than 3% per month at 25°C, allowing it to sit in storage for extended periods with minimal power loss. However, to maintain optimal health, it is recommended to charge the battery at least once every six months if stored inactive.

Important Installation Advice

While the Century 12V 37Ah Gel Deep Cycle Battery is built tough, it is designed for deep cycle applications rather than engine starting in high-heat environments. Fuel, oil, and extreme under-bonnet temperatures can damage the casing and internal components. Therefore, installation under the bonnet of a vehicle is not recommended and will void the manufacturer's warranty. It is best suited for dedicated battery boxes, cabins, or external compartments away from direct engine heat.

Key Features

  • Gel Electrolyte Technology: Immobilised gel prevents spills and enhances cycle life
  • Deep Discharge Capability: Designed to recover effectively from deep states of discharge
  • Maintenance-Free: Sealed valve-regulated construction requires no water top-up
  • High Vibration Resistance: Protects internal components in mobile and marine environments
  • Low Self-Discharge: Retains charge longer during storage (approx. 3% loss per month)
  • Wide Operating Range: Discharges effectively between -40°C and 60°C
  • Safety Considerations: Flame arrestor and central venting for enhanced safety

Power Your Adventures with Confidence

The Century 12V 37Ah Gel Deep Cycle Battery is a robust energy solution that combines safety, longevity, and high-efficiency performance. Ensure your equipment runs longer and more reliably with Century’s trusted deep cycle technology.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91482624291

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 29 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
H
Verified Purchase
handfree
Draper, US
★★★★★ 5
poli glow shine
its works great .when applying more coats the shinier it gets i used on several old boats because the florida sun bakes the jell coat right off and no wax made can withstand salty seas , so why not ,, when you apply use the mit and don't gob it on .. nice and easy and recoat in five minutes when you get to about five coats you will be amazed.looks like new .. just a tip also after about a year or so and you want to re apply,, go to your local hardware store and get a gallon of high strength or non diluted floor stripper and put in spray bottle and use to remove old poli-glow also great for cleaning stubborn stains [ i use full strength ] just spray on and brush with a scrub brush and rinse ..and let dry and re apply ,, its also works on car faded bumpers ,, also never use harsh cleaners it will cause streaking the best thing i have found for cleaning the boat after poli glow was put on is car wash from auto store with wax or not it seems not to hurt the shine . it reminds me of mop an glow,,.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2020
K
Verified Purchase
Kevin H.
Los Angeles, US
★★★★★ 5
RV owner.
Excellent product. Delivers the shine and protection as advertised.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Christina Mellies
Bozeman, US
★★★★★ 5
Poli Glow used on bottom portion of the picture
Just put it on 21 foot RV, was impressed with the shine. Key is to make sure the applicator is moist. I periodically dampen with water. Realizing it wasn't going to revive the stickers. Question is How long it will last? What will it look like after it rains? Pictures attached, bottom portion was done with poli glow on June 7,2026 and I have just under a half of bottle left. Maybe I will update once it rains or how long the shine last.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
D
Verified Purchase
Diego
Battle Creek, US
★★★★★ 5
It works miracles
I was amazed by the incredible difference it made on my RV. Check the pictures. The difference is of such a magnitude that we were amazed by the final results. Brought my rig back to life
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
S
Verified Purchase
SMK
Omaha, US
★★★★★ 5
This will work but prep is key!
I have an older RV that the gelcoat has dulled and is oxidized, but otherwise in good shape. I have buffed and polished in the past only for it to last a short time. I was looking up different products to try and this one has such good reviews, I thought I would give it a try. I bought the kit with the Poliglow and the Poliprep, with the scrubber and the microfiber glove. I started with the poliprep and it did a great job of gettting the streaks and black marks off. You spend a lot of time scrubbing to your likeness because anything that is still on the gelcoat when you apply the poliglow, it will be locked in there. The Poliglow is like a clearcoat that goes over the gelcoat. You have to build up layers and here are some of the tips and tricks I figured out that really helped my finished RV look great. First, make sure the applicator stays damp, this keeps the poliglow more uniform across the glove. Also, stick it in a zip lock bag when not using, you do not want it to dry out while you are using it. I found out that applying this in direct sunlight in warm temps, is the best method. This allows the poliglow to dry really fast. The first 3 or 4 layers will look streaky and dull but this is ok and as you build up the layers, the shine will come back. I found if you do this when its cooler, the layers do not dry as quick and you will get some permanent streaking or running. I had to remove a section I did in the evening because I noticed this. When in direct sunlight, this gave me the best results with no streaking or running. It dries fast and you can keep working. Like it says, do not do big sections at a time, keep it to small what you can reach sections and build those up and move on. As far as how much to buy? I have a 40 ft toy hauler and I got to kits and I had just enough to finish the whole thing minus the nose cap. I have Durabak on the nose cap, so I dont need to worry about that. I ended up buying one more bottle of the poliglow to have for my maintenance coats. Overall, I am pleased with how my 10 year old RV looks and other than some of the decals show age, it looks new again. If I were to buy a new RV, I would put this on right away and preserve the whole RV including the decals. Its not too expensive and its a lot of work, especially the prep, but it does end up with great results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2023

recommand products