Rated 4.73 out of 5 based on 11 customer ratings
(11 customer reviews)

$59.99

YTX20L-BS GEL 12V 18AH Replacement for Deka ETX16L, ETX20L Battery

Availability: In stock

SKU: YTX20L-BSGEL75A Category:
The YTX20L-BS GEL is a 12V 18AH GEL (Maintenance Free) battery. Requires no addition of water during the life of the battery. The Mighty Max YTX20L-BS GEL is a TRUE DEEP CYCLE battery that can be mounted in any position, requires no maintenance. When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself.
Common uses for the YTX20L-BS GEL:  ATVs, Motorcycles, Personal Watercraft, Jet Ski’s, Snowmobiles and more.
The Performance and Characteristic of the YTX20L-BS GEL Battery
Maintenance Free / GEL configuration 
No leaks, spills or contact with acid 
No acid mist and pollution to the environment when charging and discharging. 
High capacity: 10-20% higher comparing to that of VRLA.
Low self-discharging and durable for storage.
Nice ability for resilience after over-discharge and the capacity of high discharge current increases by 30% over VRLA.
Amazing performances in all temperature conditions
Battery Dimensions in Inches : L (6.88) x W (3.42) x H (6.10) 
Volts

12V

Amp Hour

18Ah

CCA

270

Polarity

– I +

Chemistry

Gel

Length

6.88

Height

6.10

Width

3.42

Weight

11.79 Lbs

Warranty

1 Year

11 reviews for YTX20L-BS GEL 12V 18AH Replacement for Deka ETX16L, ETX20L Battery

  1. Rated 5 out of 5

    james d vastaJen HAlan J. WisthoffMichael Hobson

    Working fine so far, 1st gel battery I’ve tried so will see how it goes.

  2. Rated 4 out of 5

    james d vasta

    I love the price and it was easy to install. I cannot comment on longevity because I have not had it long enough.

  3. Rated 5 out of 5

    peab007

    Product was as advertised. No issues.

  4. Rated 3 out of 5

    gary e smith

    Battery appears fine no frills, only complaint would be it came with only one bolt and nut to connect. Not a big deal unless you are at the shed getting ready to put in and you dont have one. Then its another trip down the hill to find one and lake time is precious.

  5. Rated 5 out of 5

    Ric Turner

    Looks good, fit like it is suppose to, works good

  6. Rated 5 out of 5

    Shandra

    Awesome battery

  7. Rated 5 out of 5

    Shandra

    Awesome battery

  8. Rated 5 out of 5

    Web Customer

    A+

  9. Rated 5 out of 5

    Customer

    A+

  10. Rated 5 out of 5

    Remy Saluz

    Awesome. Durable and withstands even rough terrain. Nicely priced. Whenever I need another one, I will be buying the same one.

  11. Rated 5 out of 5

    Alan J. Wisthoff

    Very nice battery. I used this as a replacement in my Cub Cadet 2160 tractor. Works like a champ. I really like the fact you don’t have to add water ever, as compared to the old one, this replaced.

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Excellent
Mighty Max Battery
Based on 3513 reviews
Awesome pricing and shipping!!👍👍
I would recommend this battery to anyone looking for a great battery at a reasonable price. We had this exact same battery in our KIA we brought new at the end of 2018, & we are just now replacing it! We purchased it on December 18, & received it today the
20th of December
I would recommend this battery to anyone looking for a great battery at a reasonable price.We had this exact same battery in our KIA we brought new at the end of 2018, & we are just now replacing it! We purchased it on December 18, & received it today the 20th of December
Shipped fast and easy. Perfect fit. Thank you Mighty Max.
Nice replacement, same size, nicely packaged and fast delivery
Purchased two batteries ML9-12 SLA for a Cyberpower unit CP1500AVRLCD to replace old/exhausted OEM batts. The new ones were easy to replace and are a direct replacement and perfect fit of the OEM batts
product showed up in two days and they were fine condition.
I ordered a battery through Walmart online. My mother ordered it for me. It came in 3 days. It started right up. It made my 150 cc moped run so smooth.
Ordered via Amazon on 12/3/2025; arrived in 3 days.
Easy installation and charging as I am typing. Replacing in unit as shown.