Best 4 V Batteries in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 250mAh；Maximum Charge Voltage/Current: 4.25V/125mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm; Size: 5 x 20 x 32mm / 0.2" x 0.8" x 1.26" (T*W*L)； Cable Length: 5cm / 2".Net Weight: 6g.
NOTE: The 3.7V 250mAh 502030 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 380mAh；Maximum Charge Voltage/Current: 4.25V/190mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm ; Size: 7mmx20mmx30mm / 0.28" x 0.79" x 1.18" (T*W*L); Cable Length: 5cm / 2"; Net Weight: 8g.
NOTE: The 3.7V 380mAh 702030 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter, Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: DC 3.7V; Capacity: 200mAh；Maximum Charge Voltage/Current: 4.25V/100mAh.Material: Lithium Polymer.
Connector Type: PH2.0mm; Size: 5 x 20 x 27mm / 0.2" x 0.79" x 1.06" (T*W*L); Cable Length: 5cm / 2"; Net Weight: 5g.
NOTE: The 3.7V 200mAh 502025 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 10000mAh；Maximum Charge Voltage/Current: 4.25V/5000mAh; Material: Lithium Polymer.
Connector Type: PH2.0mm;Size: 11 x 60 x 102mm / 0.43" x 2.36" x 4.0"(T*W*L); Cable Length: 5cm / 2" ;Net Weight: 162g.
NOTE: The 3.7V 10000mAh 1160100 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: DC 3.7V; Capacity: 700mAh; Maximum Charge Voltage/Current: DC4.25V/350mAh; Material: Lithium Polymer.
Connector Type: PH2.0mm; Size: 7 x 25 x 42mm/0.28" x 0.98" x 1.65" (T*W*L)；Cable Length: 5cm/2";Net Weight: 15g.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
NOTE: The 3.7V 700mAh 702540 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,RC small drones， Model aircraft , Electric toys, Power tools and other.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 10000mAh；Maximum Charge Voltage/Current: 4.25V/5000mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm；Size: 11 x 65 x 110mm / 0.43" x 2.56" x 4.33"(T*W*L); Cable Length: 5cm / 2"; Net Weight: 173g.
NOTE: The 3.7V 10000mAh 1165110 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,RC small drones， Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
Voltage: DC 3.7V; Capacity: 720mAh
Package Content: 1 x Lithium Polymer Battery
Material: Lithium Polymer; Net Weight: 15g
Connector Type: 2P 2.0mm Pitch; Cable Length: 5cm / 2"
Size: 48 x 22 x 6.5mm / 1.89" x 0.87" x 0.26" (L*W*T)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 310mAh；Maximum Charge Voltage/Current: 4.25V/155mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm；Size: 3.7 x 27 x 32mm / 0.15" x 1.06" x 1.26"(T*W*L); Cable Length: 5cm / 2"; Net Weight: 6g.
NOTE: The 3.7V 310mAh 372727 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,RC small drones， Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 1200mAh；Maximum Charge Voltage/Current: 4.25V/600mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm；Size: 9.0 x 30 x 50mm / 0.16" x 0.79" x 1.65"(T*W*L); Cable Length: 5cm / 2"; Net Weight: 28g.
NOTE: The 3.7V 1200mAh 903048 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,RC small drones， Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
Voltage: DC 3.7V; Capacity: 710mAh
Package Content: 1 x Lithium Polymer Battery
Material: Lithium Polymer; Net Weight: 17g
Connector Type: 2P 2mm Pitch; Cable Length: 5cm / 2"
Size: 35 x 35 x 6.5mm / 1.38" x 1.38" x 0.26" (L*W*T)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Wing Deli | 9.80 | ✅ | ✅ | ✅ |
Voltage: DC 3.7V; Capacity: 950mAh
Package Content: 1 x Lithium Polymer Battery
Material: Lithium Polymer; Net Weight: 17g
Connector Type: 2P 2.0mm Pitch; Cable Length: 5cm / 2"
Size: 82 x 28 x 3.6mm / 3.23" x 1.1" x 0.14" (L*W*T)
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Akzytue | 11 |
We've carried out a comprehensive analysis of 485 reviews on batteries, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select batteries priced around $12.77, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 11 batteries for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right batteries Products based on their needs, saving them considerable time when choosing which batteries to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
