Most Efficient Batteries
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.
UltraLast - Lithium-Ion Battery for Select Samsung Cell Phones
Model: CEL-N9000NFSKU: 9422553Top comment"Great battery order from Best buy...Great battery for Samsung Note 3 Last longer than i expected...great battery...i was worried about the oem catching fire so i replaced it with this one. this works great for my note 3 better battery life than oem battery"
See all customer reviewsSee all Cell Phone Replacement BatteriesProduct Description
Equip your Samsung cell phone with this Ultralast CEL-N9000NF battery, which offers lithium-ion chemistry and 3.8V of power for reliable, efficient use. Overload protection helps keep your device safe from damage.Top comment"Great battery order from Best buy...Great battery for Samsung Note 3 Last longer than i expected...great battery...i was worried about the oem catching fire so i replaced it with this one. this works great for my note 3 better battery life than oem battery"
See all customer reviewsSee all Cell Phone Replacement BatteriesProduct Description
Equip your Samsung cell phone with this Ultralast CEL-N9000NF battery, which offers lithium-ion chemistry and 3.8V of power for reliable, efficient use. Overload protection helps keep your device safe from damage.See all Cell Phone Replacement Batteries
Saft - LS14250 Batteries (4-Pack)
Model: COMP-4-SAFTX4SKU: 6036711Top 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 reviewsSee all Camera BatteriesProduct 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.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 reviewsSee all Camera BatteriesProduct 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
Dantona - UltraLast Lithium-Ion Battery for Apple iPhone 6
Model: CEL-IP6SKU: 6344522Top comment"Iphone 6 battery replacement...The battery fits perfectly easy to replace however it doesn't come with the toolkit...Great battery...This battery was put into a iPhone 6 cost less than 15 dollars and easy to install!"
See all customer reviewsSee all Cell Phone Replacement BatteriesProduct Description
This replacement 3.8 Volt 1800mAh Lithium Polymer battery fits the Apple iPhone 6 Cellular Phone and meets or exceeds original manufacturer specifications.Top comment"Iphone 6 battery replacement...The battery fits perfectly easy to replace however it doesn't come with the toolkit...Great battery...This battery was put into a iPhone 6 cost less than 15 dollars and easy to install!"
See all customer reviewsSee all Cell Phone Replacement BatteriesProduct Description
This replacement 3.8 Volt 1800mAh Lithium Polymer battery fits the Apple iPhone 6 Cellular Phone and meets or exceeds original manufacturer specifications.See all Cell Phone Replacement Batteries
Rayovac - High Energy AA Batteries (48 Pack), Double A Alkaline Batteries
Model: 815-48PPSKU: 6578856Top comment"[This review was collected as part of a promotion.] These batteries are efficient and long lasting. I used this brand first time and I am impressed, i used it in my wall clock and so far so good. ...Bulk battery pack...Great price on bulk pack of batteries. I would definitely buy again!"
See all customer reviewsSee all Alkaline BatteriesProduct Description
Power your household with Rayovac High Energy AA Alkaline Batteries. Engineered for long-lasting use, these Rayovac AA batteries are ideal for the high use devices in your home, including flashlights, wireless mice and remotes. Rayovac rigorously tests its batteries to ensure they do what they say they'll do—plain and simple. These alkaline AA batteries are backed by a 10 Year Power Guarantee to last up to 10 years in storage. Each double A battery is made for dependable performance. For reliability in the devices you use each day, count on Rayovac batteries.Top comment"[This review was collected as part of a promotion.] These batteries are efficient and long lasting. I used this brand first time and I am impressed, i used it in my wall clock and so far so good. ...Bulk battery pack...Great price on bulk pack of batteries. I would definitely buy again!"
See all customer reviewsSee all Alkaline BatteriesProduct Description
Power your household with Rayovac High Energy AA Alkaline Batteries. Engineered for long-lasting use, these Rayovac AA batteries are ideal for the high use devices in your home, including flashlights, wireless mice and remotes. Rayovac rigorously tests its batteries to ensure they do what they say they'll do—plain and simple. These alkaline AA batteries are backed by a 10 Year Power Guarantee to last up to 10 years in storage. Each double A battery is made for dependable performance. For reliability in the devices you use each day, count on Rayovac batteries.See all Alkaline Batteries
Rayovac - High Energy AAA Batteries (4 Pack), Alkaline Triple A Batteries
Model: 824-4TSKU: 6578851Top comment"Solid batteries...Very affordable. Very energy efficient. Dependable charge....[This review was collected as part of a promotion.] Batteries work great, seems to be efficient and durable. "
See all customer reviewsSee all Alkaline BatteriesProduct 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.Top comment"Solid batteries...Very affordable. Very energy efficient. Dependable charge....[This review was collected as part of a promotion.] Batteries work great, seems to be efficient and durable. "
See all customer reviewsSee all Alkaline BatteriesProduct 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 Alkaline Batteries
EcoFlow - DELTA Pro 3600Wh Smart Extra Battery
Model: DELTAProEB-USSKU: 6602943See all Solar Generators & Power BanksProduct Description
EcoFlow DELTA Pro Extra Battery-3600Wh-America-PTC EF ECOFLOW DELTA Pro Smart Extra Battery, 3600Wh Capacity, Expand DELTA Pro up to 10.8KWh, Fast Charging, Extra Battery for Home Backup, Emergency, RV, Off-GridSee all Solar Generators & Power BanksProduct Description
EcoFlow DELTA Pro Extra Battery-3600Wh-America-PTC EF ECOFLOW DELTA Pro Smart Extra Battery, 3600Wh Capacity, Expand DELTA Pro up to 10.8KWh, Fast Charging, Extra Battery for Home Backup, Emergency, RV, Off-GridSee all Solar Generators & Power Banks
Panasonic - Rechargeable AAA Batteries (4-Pack)
Model: HHR-4DPA/4B - PACKSKU: 5774906Top comment"Phone Battery...Perfect replacement batteries for Panasonic Phone....The batteries worked well and the delivery was efficient."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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.Top comment"Phone Battery...Perfect replacement batteries for Panasonic Phone....The batteries worked well and the delivery was efficient."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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
Energizer - N Batteries (2 Pack), 1.5V Alkaline Small Batteries
Model: E90BPSKU: 333179Top comment"Energizer N Cell E-90 Batteries...Check out was quick and efficient....Efficient battery for lite."
See all customer reviewsSee all Alkaline BatteriesProduct Description
Energizer N Batteries deliver reliable power to your important electronics. These N batteries are great camera batteries, and they're compatible with a variety of other devices, including bluetooth headsets and video game controllers. Ideal for medical equipment, E90 batteries fit a variety of blood pressure monitors and glucose monitors. Energizer miniature alkaline batteries contain zero mercury to minimize environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.Top comment"Energizer N Cell E-90 Batteries...Check out was quick and efficient....Efficient battery for lite."
See all customer reviewsSee all Alkaline BatteriesProduct Description
Energizer N Batteries deliver reliable power to your important electronics. These N batteries are great camera batteries, and they're compatible with a variety of other devices, including bluetooth headsets and video game controllers. Ideal for medical equipment, E90 batteries fit a variety of blood pressure monitors and glucose monitors. Energizer miniature alkaline batteries contain zero mercury to minimize environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.See all Alkaline Batteries
Energizer - 2450 Lithium Coin Battery, 2 Pack
Model: 2450BP-2NSKU: 6421454Top comment"Batteries...It's a battery. Works just fine. 18 more characters....Energize battery 2450....Purchase batteries for car alarm. Last longer than Duracell batteries,"
See all customer reviewsSee all Household BatteriesProduct Description
Don’t let their small size fool you: This Energizer 2450 Lithium Coin 3-Volt Battery delivers big time on long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors, to remotes, keyless entry systems, key fobs, watches, toys and games, and even more specialized devices, our CR2450 coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Energizer Coin Lithium Batteries are able to withstand a wide range of temperatures (from -22º to 140º F) and can hold power in storage for up to eight years, giving you coin battery power you can depend on. Responsibly designed with zero mercury, it’s easy to see why Energizer Lithium CR2450 Coin Batteries are the right choice for your specialty devices.Top comment"Batteries...It's a battery. Works just fine. 18 more characters....Energize battery 2450....Purchase batteries for car alarm. Last longer than Duracell batteries,"
See all customer reviewsSee all Household BatteriesProduct Description
Don’t let their small size fool you: This Energizer 2450 Lithium Coin 3-Volt Battery delivers big time on long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors, to remotes, keyless entry systems, key fobs, watches, toys and games, and even more specialized devices, our CR2450 coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Energizer Coin Lithium Batteries are able to withstand a wide range of temperatures (from -22º to 140º F) and can hold power in storage for up to eight years, giving you coin battery power you can depend on. Responsibly designed with zero mercury, it’s easy to see why Energizer Lithium CR2450 Coin Batteries are the right choice for your specialty devices.See all Household Batteries
Panasonic - eneloop Charger and 4 AA Batteries Kit - White
Model: K-KJ17MCA4BASKU: 5467116Top comment"Good and efficient...Products as described! Batteries are rechargeable and lasting with my Shure wireless microphones!...This unit charges batteries very fast and efficient."
See all customer reviewsSee all Rechargeable BatteriesProduct Description
Charge 4 AA or 4 AAA batteries easily with this Panasonic eneloop K-KJ17MCA4BA battery charger, which features an LED display with 4 indicator lights to let you monitor the status of each battery. Four included eneloop AA batteries offer immediate use.Top comment"Good and efficient...Products as described! Batteries are rechargeable and lasting with my Shure wireless microphones!...This unit charges batteries very fast and efficient."
See all customer reviewsSee all Rechargeable BatteriesProduct Description
Charge 4 AA or 4 AAA batteries easily with this Panasonic eneloop K-KJ17MCA4BA battery charger, which features an LED display with 4 indicator lights to let you monitor the status of each battery. Four included eneloop AA batteries offer immediate use.See all Rechargeable Batteries
Shopping ideas related to Most Efficient Batteries
- Best Aaa Batteries
"The Rayovac High Energy AAA Batteries are a solid choice for anyone in need of reliable, long-lasting power for their devices"
- Best Double A Batteries
"Don't know if they are better than energizer but they lasted quite a while longet the most double a battery"
- Compact Batteries
"Excellent product. It’s compact, lightweight and power a number of my Greenworks mowers, saws and tooks"
- Durable Battery
"The batteries seem durable and a good value for their retail price"