---
product_id: 186235105
title: "ML100-12 - 12 Volt 100 AH, Internal Thread (INT) Terminal, Rechargeable SLA AGM Battery, 1 Count (Pack of 1)"
brand: "mighty max battery"
price: "R6798"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Mighty Max Battery"
url: https://www.desertcart.co.za/products/186235105-ml100-12-12-volt-100-ah-internal-thread-int-terminal
store_origin: ZA
region: South Africa
---

# 12V reliable voltage 100AH powerhouse UL Certified safety ML100-12 - 12 Volt 100 AH, Internal Thread (INT) Terminal, Rechargeable SLA AGM Battery, 1 Count (Pack of 1)

**Brand:** mighty max battery
**Price:** R6798
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your life with unstoppable energy!

## Quick Answers

- **What is this?** ML100-12 - 12 Volt 100 AH, Internal Thread (INT) Terminal, Rechargeable SLA AGM Battery, 1 Count (Pack of 1) by mighty max battery
- **How much does it cost?** R6798 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/186235105-ml100-12-12-volt-100-ah-internal-thread-int-terminal)

## Best For

- mighty max battery enthusiasts

## Why This Product

- Trusted mighty max battery brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enduring 100AH Capacity:** Power through your day with a robust 100 amp-hour reserve that keeps your devices and systems running longer.
- • **UL Certified Reliability:** Backed by trusted safety standards, ensuring peace of mind for your critical power needs.
- • **Maintenance-Free AGM Tech:** Sealed Absorbent Glass Mat design means zero leaks, zero fuss—perfect for indoor and enclosed setups.
- • **Versatile Application Ready:** From solar backups to electric vehicles and emergency lighting, this battery fits seamlessly into your high-demand lifestyle.
- • **Heavy-Duty Calcium-Alloy Grid:** Engineered for superior cyclic and float performance, delivering consistent power and extended battery life.

## Overview

The Mighty Max ML100-12 is a 12V 100AH sealed lead acid rechargeable battery featuring advanced AGM technology and a heavy-duty calcium-alloy grid. UL certified and maintenance-free, it delivers reliable, long-lasting power for a wide range of applications including solar systems, electric vehicles, and emergency backup, all in a compact, leak-proof design.

## Description

Delivering power when you need it, the Mighty Max ML100-12 12 Volt 100 AH uses a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications. The ML100-12 is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models. Mighty Max SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.

Review: High quality batteries, great value - Great value and solidly built. These went into a solar-backup system and are performing flawlessly.
Review: Great Replacement Battery for my Basement Watchdog backup Sump Pump - A great replacement battery for my Basement Watchdog backup sump pump. I replaced on old lead acid battery that was on the system with the new Mighty Max AGM battery and it worked like a charm and was $50+ cheaper than the other alternative. Installation was a breeze and took me less than 5 minutes, the battery fit perfectly on the shelf. It is a heavy battery so the built in handle to carry it was extremely useful. Just a note for anyone using this battery on their backup sump pump, if you had the old lead acid battery with a probe, just attach the probe to the positive terminal along with the power wire and it will stop the audible alarm!!!!

## Features

- ML100-12 SLA is a 12V 100AH group 30H Sealed Lead Acid (SLA) rechargeable maintenance free battery - UL Certified

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00S1QCK94 |
| Amperage | 100 Amps |
| Batteries | 1 12V batteries required. |
| Best Sellers Rank | #45,873 in Health & Household ( See Top 100 in Health & Household ) #58 in 12V Batteries |
| Brand | Mighty Max Battery |
| Customer Reviews | 4.4 4.4 out of 5 stars (915) |
| Date First Available | January 1, 2010 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 28 pounds |
| Item model number | ML100-12 |
| Manufacturer | Mighty Max Battery |
| Manufacturer Part Number | ML100-12 |
| Model | ML100-12 |
| Product Dimensions | 12.17 x 6.61 x 8.31 inches |
| Special Features | Rechargeable |
| Voltage | 12 Volts |
| Wattage | 1200 watts |

## Product Details

- **Battery Capacity:** 100 Amp Hours
- **Battery Cell Composition:** Lead Acid
- **Brand:** Mighty Max Battery
- **Number of Batteries:** 1 12V batteries required.
- **Recommended Uses For Product:** Scooter

## Images

![ML100-12 - 12 Volt 100 AH, Internal Thread (INT) Terminal, Rechargeable SLA AGM Battery, 1 Count (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/61vUxljqdML.jpg)

## Questions & Answers

**Q: My battery arrived with no screws.  What size/threading do I need?**
A: It's a 6mm bolt.

**Q: Ok to wire four in series for a 48 volt all battery powered riding lawn mower?**
A: Someone stated you can only charge them at a rate of 2a per hour. Thats per CELL. There are 6 cells in each battery making this 13v 12a charging, perfect for solar charging.

**Q: can this be charged with an alternator without overheating?**
A: I have 80 of these in series and abuse them a lot. With a steady discharge current of 200A (empties the battery in 10-15 mins). 
They take it pretty well. Of course I’m significantly lowering the expected life time. But they are fine. 

2C is not recommended but is an ok charge current for lead acid batteries. These are 100Ah. So 200A is an ok charge current for them. Just make sure the voltage does not go up more than 13.8 (I do 14.5 per battery for fast charging but again, it lowers battery’s life expectancy)

**Q: Is this compatible with renogy rover 20a mppt?**
A: Compatible with most anything 12 volt rated

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality batteries, great value
*by T***. on January 3, 2026*

Great value and solidly built. These went into a solar-backup system and are performing flawlessly.

### ⭐⭐⭐⭐⭐ Great Replacement Battery for my Basement Watchdog backup Sump Pump
*by M***T on January 11, 2026*

A great replacement battery for my Basement Watchdog backup sump pump. I replaced on old lead acid battery that was on the system with the new Mighty Max AGM battery and it worked like a charm and was $50+ cheaper than the other alternative. Installation was a breeze and took me less than 5 minutes, the battery fit perfectly on the shelf. It is a heavy battery so the built in handle to carry it was extremely useful. Just a note for anyone using this battery on their backup sump pump, if you had the old lead acid battery with a probe, just attach the probe to the positive terminal along with the power wire and it will stop the audible alarm!!!!

### ⭐⭐⭐⭐⭐ Used these to replace the 75AH batteries on my RYOBI riding mower
*by A***G on July 20, 2023*

Unfortunately I learned that my original 75AG batteries that came with my RYOBI riding mower were failing. I struggled through a final season, mowing just a few minutes at a time. The following spring, there was just no denying that I needed to do something. I considered lots of options. Many people are even upgrading to LifePo4 batteries. I decided to not go that route for a couple of reasons. 1) Cost. These AGM SLA batteries are half the cost. 2) I learned the early demise of my batteries was probably partially due to user error. I ran mine down more than 60%, which I later learned is a big no no. 3) People who hadn't done what I did were still running their original batteries 6 years in. 4) While the other upgrades look cool and all, I think the verdict is still out on their longevity as well. 5) The tractor was made for these batteries, so installation shouldn't be difficult while other batteries may required some modifications. 6) I can still use the OEM charger, so I don't have to get a new charger. 7) Even if I have to replace them again in 3-4 years, I can get another whole set of these and still be at the same price that the LifePo4 upgrade is today. So if I LifePo4 gives you 10 years as people claim, these could give you 6-8, or if like the person at 6 for their original batteries, maybe even 12, for the same price. 8) The LifePO4 could be cheaper in a few years. 9) I may want a new mower anyway in less than 10 years. 10) I chose to upgrade to the 100 vs the 75 because of learning running below 60% can damage the batteries, so for only a little more, you have more margin. So, I am not saying you shouldn't switch to LifePo4, but these are some of the reasons I chose not to jump on the Bandwagon. Once I had decided not to, I needed to decide what to get. I chose to get these for a couple reasons. 1) They were significantly less expensive than the brand that came with the tractor 2) While some brands were more affordable, multiple other people had used these and seemed to be having good success with them. 3) They were readily available, in stock, and I had them in just a few days. 4) I am familiar with MightyMax, so I am not too concerned that if something does happen, and I do need a replacement, that I will be able to get one. The installation went smoothly. The battery tray on the tractor is made to fit these batteries, since it was an option on the tractor when it was sold new. I simply pulled out the battery tray. I let it rest on a mini sawhorse. This was the hardest part of the whole thing for me was thinking of a way to support the tray when it was in the out position. I then removed the old batteries. I expanded the battery spacers, since these batteries are larger than the 75ah batteries that were removed. In order to get the locking part that holds the batteries down to the tray, you have to move the front spacer as far forward as possible, which involves removing the inner bolts. Put everything back together the way you found it. Charge them up with the original charger. Cut your grass. Repeat I have had them installed a few weeks now and everything is working great. I have about a one acre lot and I don't even use one bar on the battery meter to cut it most times. If the grass is really tall, and a little wet, and I cut it really short, I might use one bar. The tractor works like it did the day I rolled it off the crate. Right now, I am extremely happy with the choice I made. Highly recommended.

## Frequently Bought Together

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-20*