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Best Buy customers often prefer the following products when searching for most efficient batteries.

Whether you're a photographer on the go, a camper who wants to keep your power supply going, or just someone who likes to have some emergency juice on hand, you'll want to get batteries that are reliable. Browse the top-ranked list of most efficient batteries below along with associated reviews and opinions.

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  1. Saft - LS14250 Batteries (4-Pack) - Front_Zoom

    Model: COMP-4-SAFTX4
    SKU: 6036711
    Top comment

    "A battery find...These batteries are just what I needed for my oxygen finger gadget....Ok priced specialty batteries...These batteries are small, but pack a jolt. Quality product, arriving potent."

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    Product Description

    Give your devices the power they need for efficient operation with this Saft lithium battery 4-pack. The 1/2 AA standard-terminal size is ideal for memory backup and a variety of security devices. This 3.6-volt Saft lithium battery 4-pack has a capacity of 1200 mAh for reliable use without needing to replace often.
    See all Camera Batteries
    Top comment

    "A battery find...These batteries are just what I needed for my oxygen finger gadget....Ok priced specialty batteries...These batteries are small, but pack a jolt. Quality product, arriving potent."

    See all customer reviews

    Product Description

    Give your devices the power they need for efficient operation with this Saft lithium battery 4-pack. The 1/2 AA standard-terminal size is ideal for memory backup and a variety of security devices. This 3.6-volt Saft lithium battery 4-pack has a capacity of 1200 mAh for reliable use without needing to replace often.
    See all Camera Batteries
    See all Camera Batteries
  2. Rayovac High Energy D Batteries (4 Pack), Alkaline D Cell Batteries - Front_Zoom
    Top comment

    "Affordable Batteries...These batteries are sufficient for your regular every day battery needs....Batteries...Energizer best selling battery. I was totally out of D batteries."

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    Product Description

    Provide power to household electronics with this Rayovac 813-4TF2 D batteries 4-pack. Reclosable packaging lets you take what you need and stow the rest neatly away.
    See all Alkaline Batteries
    Top comment

    "Affordable Batteries...These batteries are sufficient for your regular every day battery needs....Batteries...Energizer best selling battery. I was totally out of D batteries."

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    Product Description

    Provide power to household electronics with this Rayovac 813-4TF2 D batteries 4-pack. Reclosable packaging lets you take what you need and stow the rest neatly away.
    See all Alkaline Batteries
    See all Alkaline Batteries
  3. Rayovac High Energy AA Batteries (8 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "battery...Yep that are batteries and they work like batteries ....Great batteries...Not quite the copper top battery but efficient."

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    Product Description

    Compatible with a wide range of household electronics, these Rayovac 815-8CTF2 AA batteries provide reliable, long-lasting power. The 8-pack helps ensure there are extras in your supply.
    See all Alkaline Batteries
    Top comment

    "battery...Yep that are batteries and they work like batteries ....Great batteries...Not quite the copper top battery but efficient."

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    Product Description

    Compatible with a wide range of household electronics, these Rayovac 815-8CTF2 AA batteries provide reliable, long-lasting power. The 8-pack helps ensure there are extras in your supply.
    See all Alkaline Batteries
    See all Alkaline Batteries
  4. Panasonic - eneloop Quick Individual Battery Charger and 4 AA Batteries Kit - White - Front_Zoom
    Top comment

    "Awesome Battery Charger...I was blowing through batteries on my camera speedlight, these batteries last forever. ...Great ptoduct by Panasonic. Charges fast and efficient."

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    Product Description

    Charge your AA or AAA batteries within three hours with this Panasonic Advanced battery charger. Bright LED lights let you know the remaining charge on your batteries, and the device lights up green when the batteries reach 80 percent. This Panasonic Advanced battery charger includes an automatic shut off to prevent overcharging.
    See all Rechargeable Batteries
    Top comment

    "Awesome Battery Charger...I was blowing through batteries on my camera speedlight, these batteries last forever. ...Great ptoduct by Panasonic. Charges fast and efficient."

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    Product Description

    Charge your AA or AAA batteries within three hours with this Panasonic Advanced battery charger. Bright LED lights let you know the remaining charge on your batteries, and the device lights up green when the batteries reach 80 percent. This Panasonic Advanced battery charger includes an automatic shut off to prevent overcharging.
    See all Rechargeable Batteries
    See all Rechargeable Batteries
  5. Digipower - Re-Fuel Rechargeable Lithium-Ion Replacement Battery for Nikon EN-EL19 - Front_Zoom
    Top comment

    "battery...Um, its a battery, not much to say about batteries....Nice to have a recharable battery...Recharable batteries keep me from having to throw away batteries."

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    Product Description

    Replace the EN-EL19 battery in your compatible Nikon digital camera with this DigiPower RF-NKL19 lithium-ion battery, which delivers 3.7V of power and features a 650 mAh capacity for reliable performance.
    See all Camera Batteries
    Top comment

    "battery...Um, its a battery, not much to say about batteries....Nice to have a recharable battery...Recharable batteries keep me from having to throw away batteries."

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    Product Description

    Replace the EN-EL19 battery in your compatible Nikon digital camera with this DigiPower RF-NKL19 lithium-ion battery, which delivers 3.7V of power and features a 650 mAh capacity for reliable performance.
    See all Camera Batteries
    See all Camera Batteries
  6. Rayovac High Energy AAA Batteries (4 Pack), Alkaline Triple A Batteries - Front_Zoom

    Product Description

    Power your household with Rayovac High Energy AAA Alkaline Batteries. Engineered for long-lasting performance, these Rayovac AAA batteries are ideal for the high use devices in your home, including flashlights, wireless mice, remotes and smart home devices. Rayovac rigorously tests its batteries to ensure they do what they say they'll do—plain and simple. These alkaline AAA batteries are backed by a 10 Year Power Guarantee to last up to 10 years in storage . Each AAA battery is made for dependable performance. For reliability in the devices you use each day, count on Rayovac triple A batteries.
    See all Household Batteries

    Product Description

    Power your household with Rayovac High Energy AAA Alkaline Batteries. Engineered for long-lasting performance, these Rayovac AAA batteries are ideal for the high use devices in your home, including flashlights, wireless mice, remotes and smart home devices. Rayovac rigorously tests its batteries to ensure they do what they say they'll do—plain and simple. These alkaline AAA batteries are backed by a 10 Year Power Guarantee to last up to 10 years in storage . Each AAA battery is made for dependable performance. For reliability in the devices you use each day, count on Rayovac triple A batteries.
    See all Household Batteries
    See all Household Batteries
  7. Greenworks - 80 Volt 2Ah Battery (Charger not included) - Front_Zoom
    Top comment

    "Best quality/value battery...Nothing beats the quality of these batteries for my snowthrower....Battery and Chainsaw...Not to mention that these batteries charge quickly and are efficient in powering the tools! "

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    Product Description

    The Greenworks 80V 2.0 Ah battery is compatible with over 75 Greenworks 80V tools. Compact and lightweight, it delivers constant, fade-free power with no memory loss after charging, and no dangerous emissions, smells, hassles, or maintenance. Features an onboard battery charge indicator for on-demand view of battery power status.
    See all Power Tool Batteries and Chargers
    Top comment

    "Best quality/value battery...Nothing beats the quality of these batteries for my snowthrower....Battery and Chainsaw...Not to mention that these batteries charge quickly and are efficient in powering the tools! "

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    Product Description

    The Greenworks 80V 2.0 Ah battery is compatible with over 75 Greenworks 80V tools. Compact and lightweight, it delivers constant, fade-free power with no memory loss after charging, and no dangerous emissions, smells, hassles, or maintenance. Features an onboard battery charge indicator for on-demand view of battery power status.
    See all Power Tool Batteries and Chargers
    See all Power Tool Batteries and Chargers
  8. VTech - Nickel Metal Hydride Battery - Front_Zoom

    Model: BT283342
    SKU: 6219464
    Top comment

    "Efficient...Vtech phone battery...Batteries last a long time before needing recharging."

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    Product Description

    Power your cordless phone with this VTech battery. It fits more than two dozen models, so you can stock it for use in an office.
    See all Cordless Phone Batteries
    Top comment

    "Efficient...Vtech phone battery...Batteries last a long time before needing recharging."

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    Product Description

    Power your cordless phone with this VTech battery. It fits more than two dozen models, so you can stock it for use in an office.
    See all Cordless Phone Batteries
    See all Cordless Phone Batteries
  9. VTech - Nickel Metal Hydride Battery - Front_Zoom

    Model: BT262342
    SKU: 6219462
    Top comment

    "Efficient, but expensive...The battery I purchased for my cordless home phone works well but it is expensive....Cordless Telephone Batteries...This battery was very reasonably price and available. I will purchase additional batteries before my other cordless telephone batteries need replacement."

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    Product Description

    Increase your cordless phone operation time with this rechargeable VTech battery. it plugs into the handset for use as a replacement or backup unit, fitting the compartment precisely for an easy swap, and it supplies 2.4V at 300 mAh for original equipment performance. This VTech battery uses environmentally friendly and low-memory NiMH technology.
    See all Cordless Phone Batteries
    Top comment

    "Efficient, but expensive...The battery I purchased for my cordless home phone works well but it is expensive....Cordless Telephone Batteries...This battery was very reasonably price and available. I will purchase additional batteries before my other cordless telephone batteries need replacement."

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    Product Description

    Increase your cordless phone operation time with this rechargeable VTech battery. it plugs into the handset for use as a replacement or backup unit, fitting the compartment precisely for an easy swap, and it supplies 2.4V at 300 mAh for original equipment performance. This VTech battery uses environmentally friendly and low-memory NiMH technology.
    See all Cordless Phone Batteries
    See all Cordless Phone Batteries
  10. Panasonic - Rechargeable AAA Batteries (4-Pack) - Front_Zoom

    Model: HHR-4DPA/4B - PACK
    SKU: 5774906
    Top comment

    "Phone Battery...Perfect replacement batteries for Panasonic Phone....The batteries worked well and the delivery was efficient."

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    Product Description

    Power your DECT cordless handset with these Panasonic rechargeable AAA phone batteries. The Ni-MH cells have up to 750 mAh of capacity to provide long-lasting power for select Panasonic DECT 6.0 cordless phone models. Each set of Panasonic rechargeable AAA phone batteries comes in a pack of four to power two compatible handset units.
    See all Cordless Phone Batteries
    Top comment

    "Phone Battery...Perfect replacement batteries for Panasonic Phone....The batteries worked well and the delivery was efficient."

    See all customer reviews

    Product Description

    Power your DECT cordless handset with these Panasonic rechargeable AAA phone batteries. The Ni-MH cells have up to 750 mAh of capacity to provide long-lasting power for select Panasonic DECT 6.0 cordless phone models. Each set of Panasonic rechargeable AAA phone batteries comes in a pack of four to power two compatible handset units.
    See all Cordless Phone Batteries
    See all Cordless Phone Batteries
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