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.
WORX - 20V Power Share 2.0Ah Battery
Model: WA3669SKU: 6593261See all Power Equipment Batteries & ChargersYour price for this item is $49.99Save $20The comparable value price is $69.99Energizer - 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 BatteriesYour price for this item is $9.99Rayovac - 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 BatteriesYour price for this item is $4.49EcoFlow - DELTA Pro 3600Wh 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 BanksYour price for this item is $1,599.00Save $400The comparable value price is $1,999.00Panasonic - 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 BatteriesYour price for this item is $29.99VTech - Nickel Metal Hydride Battery
Model: BT283342SKU: 6219464Top comment"Efficient...Vtech phone battery...Batteries last a long time before needing recharging."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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.Top comment"Efficient...Vtech phone battery...Batteries last a long time before needing recharging."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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 BatteriesYour price for this item is $8.99VTech - Nickel Metal Hydride Battery
Model: BT262342SKU: 6219462Top 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."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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.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."
See all customer reviewsSee all Cordless Phone BatteriesProduct 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 BatteriesYour price for this item is $8.99Panasonic - 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 BatteriesYour price for this item is $25.99Energizer - Ultimate Lithium AAA Batteries (4-Pack)
Model: L92BP-4SKU: 6648648Top comment"Lithium battery are the best....Nice light weight batteries. Long lasting batteries....Very efficient and productive batteries gives you the power you need"
See all customer reviewsSee all Lithium BatteriesProduct Description
World's longest lasting AAA batteries in high-tech devices. Up to 15 years of shelf life. Performs in extreme temperatures from -40° to 140°F.Top comment"Lithium battery are the best....Nice light weight batteries. Long lasting batteries....Very efficient and productive batteries gives you the power you need"
See all customer reviewsSee all Lithium BatteriesProduct Description
World's longest lasting AAA batteries in high-tech devices. Up to 15 years of shelf life. Performs in extreme temperatures from -40° to 140°F.See all Lithium BatteriesYour price for this item is $14.99Energizer - 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 BatteriesYour price for this item is $6.99