Best 4 V Batteries in 2026

IN THE BOX: 4-pack of CR2025 3-volt lithium coin cell replacement batteries for small electronic devices

DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more

LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

🔋AA batteries - EBL 28 pack of aa batteries long lasting alkaline batteries, long lasting power alkaline aa batteries, provide all your household appliances with the power they need, your best partner at home

🔋Long time Shelf Life - Holds power for long time under proper storage - Double A alkaline batteries

🔋Match Your Device Perfectly - Ultra fit for all of 1.5V AA batteries compatible devices like game controllers, remotes, toys, and more

Battery size: CR2016

Type: Lithium

Voltage: 3V

CERTIFICATIONS—This is not a rechargeable battery. DO NOT Charge battery. UN 38.3 compliant. More than 400 EEMB battery models are UL certified. Search "MH20555" on UL for all EEMB UL certification information.

MANUFACTURER DIRECT— We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery industry.

LITHIUM COIN BATTERY APPLICATION: EEMB's 3V coin batteries provide reliable, long lasting power for your car key remotes, electronic scales, electronic dictionaries, electronic watches, toys and some small appliances, especially great for Ecobee Temp Sensors.

This 9V battery is rechargeable， lithium-ion type is rechargeable , cycle life more than 300 times, features low self-discharge. no memory effect.

MAXLITHIUM 9 volt rechargeable battery real capacity up to 800mAh, at least 2 times of regular alkalkine battery and 3 times of NiMH battery, lasting time siignificantly increased ,

It's the ideal alternative for single use 9v batteries and NiMH battery, especially economical for high frequently used devices , It would significantly decrease waste and pollution to our environment.

Single Use, Non-Rechargeable Capacity:600 mAH

Lithium Button Cell Battery CR2450-Long Barrery Life

Model: CR2450 Also known as: DL2450, CR2450N, ECR2450, BR2450, BR2450-1W, CR2450N, KCR2450, LM2450, 5029LC

High-Capacity 3300mAh: AA rechargeable batteries will be totally compatible, low self discharge. More affordable for single use batteries.

1200 Rechargeable Times : Deleepow Nimh double A batteries can be recharged more than 1200 times, reduce the waste of disposable batteries effectively.

Long Last Time: Deleepow AA batteries can be recharged for 1200 times, reduce the waste of disposable batteries effectively, save your money and great for our living situation perfectly.

Notice: The pre-charged amount is only 30% when leaving the factory, so please charge before use to extend the working time. In addition, charging the battery every 3 months can extend the life of the battery

High Capacity- The aa rechargeable battery was built with 1000mAh capacity rating that translates to long use time, allows you to use your devices longer while making the most off its single charge.

Recycle& Money Saving- The rechargeable battery double A can be constantly recharged at least 1000 times, they does less harm to environment than disposable batteries, saving your money on purchasing single use disposable batteries.

3300mAh High Capacity-- 3300mAh AA rechargeable Ni-MH batteries will tatoly meet your daily needs, low self discharge, long lasting than your imagination. Ideal replacements for single use batteries.

Recharge Up To 1200 Times-- Being one of the most cost-effective batteries, Deleepow AA batteries rechargeable cycle life can be up to 1200 times, money-saving and reduce waste..

Easy to Charge-- Deleepow rechargeable Ni-MH AA batteries can be charged by any brand rechargeable battery charger. Suggest use Deleepow battery charger.

High power energy - Tenergy’s Premium rechargeable NiMH D Battery Packs offers energy savings by switching from single use household D battery to rechargeable batteries.

These Premium D batteries deliver power to Wi-Fi enabled smart home devices.

These rechargeable D cell batteries are enhanced to deliver power, whether outdoors in -4°F or 122°F.

CERTIFICATIONS—This is not a rechargeable battery. DO NOT Charge battery. UN 38.3 compliant. More than 400 EEMB battery models are UL certified. Search "MH20555" on UL for all EEMB UL certification information.

MANUFACTURER DIRECT— We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery industry.

LITHIUM COIN BATTERY APPLICATION: EEMB's 3V coin batteries provide reliable, long lasting power for your car key remotes, electronic scales, electronic dictionaries, electronic watches, toys and some small appliances, especially great for Ecobee Temp Sensors.

Chemistry: Lithium Manganese Dioxide Contains NO Mercury

Single Use, Non-Rechargeable

Capacity:  600 mAH

【Safety and Performance】9V Li-ion Rechargeable Batteries there are five protections for this battery, with intelligent control of the entire charging process, built-in protection device to prevent overcharge, overvoltage, overcurrent, over discharge,can protect the battery very good.

【Wide application】9V Square batteries with 1300mAh capacity, support stable power and longer working time for high frequently used devices, for various electrical appliances such as microphones, multimeters, electric guitars,toy remote controls, massagers, metal detector, digital cameras, digital alarm clock, and much more etc. It is safe and stable, Ideal replacement for the everyday 9V batteries, becomes the common choice of hundreds of families.

【9V Lithium batteries】9V Lithium battery, charging is very fast, capacity 1300mAh,the battery cycle life can reach 1200+ times.High-power load capacity, which is convenient for high-intensity electrical appliances. With no memory effect on our rechargeable 9V Li-ion battery, recharge your batteries anytime.

100 Pack AAA Batteries - - Package contains 100 AAA R03P batteries, safe to use and stable voltage, can hold power for long time in storage under proper environment.

Environment Friendly - - Carbon aaa batteries does not include AG, PB, CDand other harmful elements, which is environmentally friendly.

Single Use Battery - - The battery is a carbon-zinc battery, for single use, please DO NOT recharge.

BASIC INFO—This is a single use battery with AX Tabs. DO NOT Charge battery. 3.6V non-rechargeable AA lithium thionyl chloride battery; 2600 mAh; wide range of temperatures -55°C to +85°C; most suitable for low power consumption devices.

CERTIFICATIONS—RoHS and UN 38.3 compliant; UL and IEC certified.

MANUFACTURER DIRECT—Lithium thionyl chloride battery has a passivation characteristic. Therefore, we highly recommend customers use the battery within approximately 2-3 months, depending on the storage condition to receive optimal performance. Although our battery has a 10-year shelf life (under special storage conditions), we advise customers not to store batteries for a long time due to the passivation characteristic. It is highly recommended that you purchase as many as you need.

CERTIFICATIONS—This is not a rechargeable battery. DO NOT Charge battery. UN 38.3 compliant. More than 400 EEMB battery models are UL certified. Search "MH20555" on UL for all EEMB UL certification information.

MANUFACTURER DIRECT— We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery industry.

LITHIUM COIN BATTERY APPLICATION: EEMB's 3V coin batteries provide reliable, long lasting power for your car key remotes, electronic scales, electronic dictionaries, electronic watches, toys and some small appliances, especially great for Ecobee Temp Sensors.

CR123A Rechargeable Battery for Arlo (1pcs) Equivalent (300pcs) Non-rechargeable 3v 1500mah Batteries.

CR123A Rechargerble batteries Compatible with Arlo (VMC3030/3200/3330/3430/3530) Security Cameras, LED flashlights, video game consoles, cameras, appliances, medical equipment, calculators, memory backup and others electronic devices

Replace One-time-use Battery, Save a lot of money.

SAFT LS14250

SIZE: 1/2 AA

1200 mAh HIGH CAPACITY

Battery Technology: Lithium (Single Use)

Capacity: 1550.0mAh

Current: 0.5000A

★ Maximum Power – 8 pack of AA batteries long lasting alkaline batteries.AA Battery are premium grade, high-performance alkaline batteries built with to provide all your household appliances with the power they need,supply maximum power to your electronic devices. your best partner at home.

★ Ultra Long-Lasting – AA battery are considered “ultra long-lasting” and have been independently tested to outperform standard alkaline batteries.which means you can also expect these batteries to last longer.Holds power for long time under proper storage - Double A alkaline batteries.These batteries are NOT rechargeable, Single use alkaline AA batteries.

★ Leakproof Design – AA batteries are built from the ground up to seal in materials and protect your electronic devices, which makes the perfect choice to power all your devices around the house, the office, or outdoors for power.(WARNING: These are one time use disposable batteries. Please DO NOT recharge these batteries).

✅【RECHARGEABLE AND MONEY SAVING】1500+ Cycle times charge can save much bigger money for you comparing with the single use battery.

✅【DITCH DISPOSABLE BATTERY 】This rechargeable LiFePO4 4R25 battery can perfectly replace the single use alkaline 6v Lantern Battery,excellent back up battery for your lantern

✅【HIGH SAFETY】High leak proof and no memory effect on this LiFePO4 batteries with Lithium Iron cell technology,Low self-discharge rate less than 7% per month.

【Excellent Performance】: 8 PCS 1.5V high Performance Alkaline AAA batteries tested by professional testers according to strict quality control standards. It has no memory effect, low self-discharge, BOANV AAA batteries maintain high performance over a wide temperature range of -40°F to 140°F without worrying about the weather.

【Smart Chip Battery】: The AAA Alkaline Batteries uses the most advanced built-in smart chip Build-in microchip to prevent over-discharging, short-circuit and over-heating. A+ chip ensure longer lasting battery life.

【Safer and leak-proof design】: BOANV Alkaline 3A batteries adopt an advanced three-layer safety and leak-proof design. It has the advantages of explosion-proof valve, anti-short circuit valve, leak-proof sealing ring and so on. And the spiral wound battery technology can effectively prevent the liquid in the battery from leaking or damaging the device.

BASIC INFO—This is a single use battery with AX Tabs. DO NOT Charge battery. 3.6V non-rechargeable AA lithium thionyl chloride battery; 2600 mAh; wide range of temperatures -55°C to +85°C; most suitable for low power consumption devices.

CERTIFICATIONS—RoHS and UN 38.3 compliant; UL and IEC certified.

MANUFACTURER DIRECT—Lithium thionyl chloride battery has a passivation characteristic. Therefore, we highly recommend customers use the battery within approximately 2-3 months, depending on the storage condition to receive optimal performance. Although our battery has a 10-year shelf life (under special storage conditions), we advise customers not to store batteries for a long time due to the passivation characteristic. It is highly recommended that you purchase as many as you need.

【Excellent Performance】: 8 PCS 1.5V high Performance Alkaline 2A batteries tested by professional testers according to strict quality control standards. It has no memory effect, low self-discharge, BOANV AA batteries maintain high performance over a wide temperature range of -40°F to 140°F without worrying about the weather.

【Smart Chip Battery】: The AA Alkaline Batteries uses the most advanced built-in smart chip Build-in microchip to prevent over-discharging, short-circuit and over-heating. A+ chip ensure longer lasting battery life. Owning 10+ Year Shelf Life.

【Safer and leak-proof design】: BOANV Alkaline AA batteries adopt an advanced three-layer safety and leak-proof design. It has the advantages of explosion-proof valve, anti-short circuit valve, leak-proof sealing ring and so on. And the spiral wound battery technology can effectively prevent the liquid in the battery from leaking or damaging the device.

EGSMOR EGSMOR 9-volt 6LR61 alkaline batteries for reliable performance across a wide range of devices designed for everyday applications and more.

DEVICE COMPATIBLE: Ideal for game controllers, toys, flashlights, digital cameras, clocks, and more Anti-leaking tight seal design and date coded freshness, holds the power in for up to 5-years until it is needed.

EASY USE & STORAGE: Ships in easy-to-open packaging C cell batteries can be used in temperatures as low as -4°F degrees or as high as 129°F degrees.

C cell 1.5 volt all-purpose alkaline batteries for reliable power,7400mAh 25mA 24h/d 0.8V Batteries c size designed for everyday applications like toys, clocks, flashlights, and more.

DEVICE COMPATIBLE: Ideal for game controllers, toys, flashlights, digital cameras, clocks, and more Anti-leaking tight seal design and date coded freshness, holds the power in for up to 10-years until it is needed.

EASY USE & STORAGE: Ships in easy-to-open packaging C cell batteries can be used in temperatures as low as -4°F degrees or as high as 129°F degrees.

High energy density, long life power source.

Advanced engineering manufacturing, and consistently reliable performance.

Multiple applications, widely used in remotes for garage door openers, wireless doorbells, ceiling fans, home security alarms, window security sensor, LED flashlight, toys, clocks, razors and so on.

CROSS-REFERENCE: Before ordering these EB-27A batteries, be sure to check that the device that needs them is compatible with these batteries' chemistry, size, amperage, polarity, and voltage.

BATTERY TYPE: These heavy-duty 27A batteries can be used to power a number of electronic devices like key fobs, burglar alarm remotes, cigarette lighters, garage door openers, and even door locks.

HIGH-QUALITY BATTERY: These small alkaline batteries boast an output voltage of 12V and an amperage of 18 mAh. They are high-quality batteries that are built to last.

Product 1: 12 9V BATTERIES: 12-pack of size 9V alkaline batteries super alkaline bulk batteries with 1.5 Volts of long lasting power

Product 1: HOME AND OFFICE: ACDelco 9 Volt batteries deliver optimal power you can depend on for your smoke detectors, carbon monoxide detectors and clocks

Product 1: LONG LASTING: ACDelco super alkaline batteries deliver long lasting maximum power that is consistent and reliable

CROSS-REFERENCE: Before ordering these EB-27A batteries, be sure to check that the device that needs them is compatible with these batteries' chemistry, size, amperage, polarity, and voltage.

BATTERY TYPE: These heavy-duty 27A batteries can be used to power a number of electronic devices like key fobs, burglar alarm remotes, cigarette lighters, garage door openers, and even door locks.

HIGH-QUALITY BATTERY: These small alkaline batteries boast an output voltage of 12V and an amperage of 18 mAh. They are high-quality batteries that are built to last.