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The Mighty Max ML4-6 is a compact, rechargeable 6V 4.5AH sealed lead acid battery featuring advanced AGM technology and a durable calcium-alloy grid. UL certified and maintenance-free, it offers high discharge rates, wide temperature tolerance, and vibration resistance, making it ideal for diverse applications from outdoor gear to electric ride-ons. Pre-charged and easy to install, it ensures reliable, long-lasting power wherever you need it.
| Amperage | 4.5 Amps |
| Antenna Location | Power Tool |
| Asin | B00K8V32VU |
| Battery Capacity | 45 Amp Hours |
| Battery Cell Type | Lead Acid |
| Battery Weight | 2 Pounds |
| Best Sellers Rank | #13,888 in Health & Household (See Top 100 in Health & Household) #3 in 6V Batteries |
| Brand | Mighty Max Battery |
| Built In Media | Battery |
| Compatible Phone Models | No phone models |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,670) 4.6 out of 5 stars |
| Global Trade Identification Number | 00785123607939 |
| Item Dimensions | 2.76 x 1.89 x 4.21 inches |
| Item Weight | 1 Pounds |
| Manufacturer | Mighty Max Battery |
| Model Name | ML4-6 |
| Model Number | ML4-6 |
| Number Of Batteries | 1 Nonstandard Battery batteries required. |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Upc | 785123607939 850005902065 |
| Voltage | 6 Volts |
| Warranty Description | 1 Year Manufacturer |
User
great replacement for 6v toys
this rechargeable battery was purchased as a replacement for a 6 volt ride on toy motorcycle. the shipping was fast, the price was great. it was a perfect fit for the toy. came partially charged.
User
Worked as a direct replacement
Got this to replace a battery in my kids electric four-wheeler. It wasn't exact replacement charged right up and the bike is operational. My kids are in there middle and late teens now so the electric four-wheeler was given to my nephews little one and he rides it all the time. Great battery to get it up and running again.
User
Very pleased with product and Customer service department
Ordered a 2-pack on 12/10/25 received on 12/12/25... The first battery I tried was not working and would not hold a charge. The second battery I tried was installed (Moultrie Deer Feeder) fit and works perfectly!!! I notified customer service by email and they responded on Monday morning. Resolved the issue immediately !!! I have the feeder set up to run twice a day and after a week the battery is still going strong..
User
Works fine for me.
Fit our older emergency light just fine. Fast delivery. Good price. As long as they are pretty cheap, I'll keep buying them every 3 or 4 years. But at some point it will make more sense to buy a modern exit light with NiCad batteries and LED bulbs instead of incandescent bulbs. The NiCad batteries last longer and aren't nearly as heavy this lead-acid type of battery. But I'm lazy and don't want to change the entire fixture. What do you do with an old emergency light? Throw it in the landfill I guess. That's wasteful. At least my local auto store will recycle this lead-acid battery.
User
Works
Works
User
Perfect battery for Fisher-Price Power Wheels
Fits perfectly in Fisher-Price Thomas train. Works great, good price 👍🏻
User
Works well with Mini Bumper Car 🚙
The batteries were the perfect replacement for the mini bumper cars I purchased for my grandchildren. The new batteries got them going again and they love them easy to replace easy to recharge. The kids are loving their new toy.
User
Great Battery performance and fit
this battery was a perfect fit for my grandson's electric quad. The voltage when I opened the box was 6.19 vdc. installation was easy and the quad ran perfectly with this new battery.Amazon delivered the battery 2.5 hours after I ordered it.
User
Sirve bien
Genial, sirvió bastante bien, la ocupe para un montable y de inmediato se notó la respuesta, vamos a ver la durabilidad pero como veo si va bien
User
Works great and no issues very happy with my purchase
Battery works awesome as intended for door alarm backup system. Happy with the purchase. Highly recommended
User
Fully charged.
The packaging is very well made, and the two battery showed a 6,3 volts charge at the box opening. Very good product to use with my trail cameras.
User
Works for power wheels
Worked great for the old power wheels
User
This was not the proper replacement
Was told this would fit and is the proper replacement but it wasn’t . Had to go through Amazon to get money back.
Trustpilot
4 days ago
1 month ago