The 7 Best 6 Volt 4.0 Ah Rechargeable Batteries (2023 reviews)

We consider a 6 volt 4.0 ah rechargeable battery to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Mighty Max Battery Rechargeable Battery READ REVIEW

Best For deer feeder: Buy: Interstate Batteries 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best For bike: Buy: universal Power Group 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best For toy car: Buy: expertpower 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best For camera: Buy: Neptune Power products 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best For Emergency lights: Buy: Mighty Max Battery 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best Premium: Buy: Power Sonic 6 Volt 4.0 Ah Rechargeable Battery READ REVIEW

Best Overall: Mighty Max Battery Rechargeable Battery

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Here, we present battery that manages to win our hearts. It's the mighty max battery rechargeable battery and it's widely considered as one of all-around great battery you can buy. This is a 6 volt 4.5 AH rechargeable battery. It is perfectly in the coleman air pump. The terminals are the typical spade-type, and fastened to the light wiring with ease. It also lasts a long time in the vacuum before needing to be recharged. Its chemistry is NiCd which should always be charged before 1st use at low amperage for at least 6-8 hours.

This battery is the perfect replacement and charges great with the original charger and lasts 4x longer. It comes quickly in six separate boxes, but all of them neatly fit in one box. The battery will last ie 500 mah will last longer than a 200 mah before needing to recharge. It is actually more economical to make 6 separate shipments.

• Works beautifully for outdoor led with with solar panel
• Definitely worth the money to keep light when the power goes out
• Perfect size to the original battery as a replacement

Best For deer feeder: Interstate Batteries 6 Volt 4.0 Ah Rechargeable Battery

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It is emergency lighting and or battery operated decoys. It is just a standard 14" flag connector on the + and a 3/16" flag connector on the. An LED light changes color when the attached battery reaches a full charge, and a trickle-charge feature ensures your batteries get only the charge they need and no more. It can be used in some coleman quick pumps, some searchlights and flashlights and more.

The Lead Acid battery is great replacement. It works for battery-operated bikes. It is about 4 inches tall by 3 inches wide, typical use for this is emergency lighting and or battery operated decoys. The battery is easy to install.

• Works excellent with the triceratops ride along
• Led light indicates when battery is fully charged
• Lot of satisfied buyers

Best For bike: universal Power Group 6 Volt 4.0 Ah Rechargeable Battery

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If you often find yourself scrambling for convenient and suitable battery, universal power group 6 volt 4.0 ah rechargeable battery is your end point. It is great for a 6v john deere single child power wheel. It works in emergency exit lights. It can be mounted in any position, resists shocks and vibrations. The product is used for two re-chargeable lantern flashlights which are no longer recharging. The bike is used every night and this battery lasts about a month and can then be recharged.

It will last too long on a bird bath.

• Valve regulated, spill proof construction allows safe operation in any position
• Good option for decoy replacement batteries
• Absorbent glass mat (agm) technology for superior performance

Best For toy car: expertpower 6 Volt 4.0 Ah Rechargeable Battery

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The expertpower 6 volt 4.0 ah rechargeable battery should be able to handle its purpose and duties with ease. The Ex645 is a relatively small sized 6 volt battery with a run time that will surprise you. These are the first components of the battery is the abs plastic shell. The battery utilizes absorbent glass mat technology which is capable of delivering high currents on demand and offers a relatively long service life.

The Power supplies run cool with the Expertpower batteries. They fit perfectly and work great. The Expertpower batteries provide sufficient power so that data is never lost. They are a perfect replacement for the factory batteries.

• Batteries came already charged and super easy to install
• Installed as a replacement set for a battery backup power supply
• Installed in solar light battery holder and it works perfectly

Best For camera: Neptune Power products 6 Volt 4.0 Ah Rechargeable Battery

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The neptune power products 6 volt 4.0 ah rechargeable battery's high-end materials makes sure that it ages well with use. It is perfect for all your needs inside and outside. It is used for home alarm security, deer game feeder, exit sign, emergency system, lighting, electronics, upc backups and more. It has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover. It can be mounted in any position, resists shocks and vibration. These are also labeled and it is a sealed lead acid battery.

It works great with a solar charger no problems one month old. It has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recovery.

• Replacement for handheld spotlight, works great so far
• Wire harness or mounting accessories included
• Rechargeable battery that can be mounted in any position, resists shocks and vibration
• High quality batteries for ride on toys

Best For Emergency lights: Mighty Max Battery 6 Volt 4.0 Ah Rechargeable Battery

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The mighty max battery 6 volt 4.0 ah rechargeable battery should be able to handle its purpose and duties with ease. The ML4-6 SLA is a 6V 45AH Sealed Lead Acid (SLA) rechargeable maintenance free battery, Pack of batteries, and is great for emergency lights. It has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recovery. It can be mounted in any position, resists shocks and vibration. It comes with over thirty years of collective experience in sustainable energy, power sports, mobility and more.

• Rechargeable battery that can be mounted in any position, resists shocks and vibration
• Long lasting high performance in high and low temperatures
• Wire harness or mounting accessories included

Best Premium: Power Sonic 6 Volt 4.0 Ah Rechargeable Battery

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Power Sonic is known for creating practical and a top-notch battery for people on the go, and its line of power sonic 6 volt 4.0 ah rechargeable battery definitely falls in line with that reputation. It can be mounted in any position, resists shocks and vibration. It has operated successfully in all temps to which they have been subjected.

• Very handy for building custom packs for custom projects
• Great battery and was fully charged upon receiving
• Great replacement for powered exit signs