The Best 3.7 V 650Mah of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3.7 V 650Mah of 2025. Check our ranking below.
2,762 (random) Reviews Scanned
Rank No. #1
BSFCELL 4-Pack 3.7V USB Rechargeable Lithium Batteries High-Capacity 650mAh Button Top Cells for Flashlights, Headlamps, Lasers, and Portable Devices
- Compact Size Design: Each battery measures 34×16mm (1.34×0.63 inch), making it compact and easy to fit in a wide range of compatible devices. The button top design ensures a secure connection, ideal for flashlights, headlamps, and other portable electronics
- Reliable Voltage Output: Maintains a consistent 3.7V to ensure stable performance across your devices. Perfect for flashlights, headlamps, and laser tools that demand uninterrupted power. Say goodbye to flickering and power drops
- Compact High Capacity: Each battery stores 650mAh of energy, offering extended use between charges. Great for high-consumption electronics used regularly. A smart solution for portable and emergency gear
- Protective Circuit Design: Equipped with safety features to guard against overheating, overcharging, and short circuits. The button top fits snugly in compatible devices, while the durable casing resists wear and tear
- Universal Application: Works with a wide range of devices including flashlights, lasers, and headlamps. Designed for electronics that use 16340-size lithium-ion batteries. Dependable power for indoor, outdoor, and on-the-go use
Rank No. #2
Qimoo 603040 3.7V Lipo Battery 650mAh 603040 Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Electronic Device
- [Note]- 3.7v lipo battery connector type is JST PH2.0MM !!!! - Please make sure the connector type and battery size match your device before purchase.
- [Connector Specifications]-3.7v battery Connector Type: PH 2.0mm;; Cable Length: 5cm / 2"; Please check the battery polarity before installation, if the connector polarity is not matched with your device, it will damage the device or new battery.
- [Battery Specifications] - 603040 li-ion battery size: 6 x 30 x 42mm / 0.24" x 1.18" x 1.65"(H*W*L), Voltage: 3.7 volts, Maximum Charging Voltage 4.25v; Capacity: 650mAh; Material: Lithium Polymer. Net weight: 15g.
- [Applications]- 3.7v lithiun Polymer battery is suitable for MP3/MP4, Bluetooth wireless headset, GPS, baby monitor, game console, skype, smart watch, surveillance device, POS, car recorder, mobile power, Bluetooth speaker, VR glasses, beauty device, pet tracker, ring visual doorbell, etc.
- Please use the battery correctly: 3.7v lithium batteries can not be used for high-current power devices, such as drones, miniature remote control helicopters, model airplanes, electric toys, etc.
Rank No. #3
Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery
- Battery plug : MX2.0, or called XH2.54 plug. USB cable buit-in over-charged protection circuit, Red light is solid when charging, red light is off after full charged.
- Battery Real Capacity: 1S 3.7V 650mAh---800mAh. USB charge cable input: 5V 2A, output 4.2V 0.5A.
- Battery dimensions: 51*18*14.3mm /2.0*0.7*0.56inch,, net weight: 20grams. 3.7V 650mAh Battery suitable for some kind of fygurso 208000 Remote Control Sharks, which use same plug and zide battery.
- 3.7V 1S 650mAh Li-ion rechargeable battery suitable for Old version Skytech TKKJ H116 Remote Control Boat,which use same plug and zide battery.
- 3.7V 1S Li-ion Battery Suitable for Dwi Dowellin Y878 Robot Dog Remote Control Robot Dog, which use same MX2.0 white 2 pin plug battery,same size too.
Rank No. #4
Qimoo 652540 3.7V Lipo Battery 650mAh 652540 Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Electronic Device
- [Note]- 3.7v lipo battery connector type is JST PH2.0MM !!!! - Please make sure the connector type and battery size match your device before purchase.
- [Connector Specifications]-3.7v battery Connector Type: PH 2.0mm;; Cable Length: 5cm / 2"; Please check the battery polarity before installation, if the connector polarity is not matched with your device, it will damage the device or new battery.
- [Battery Specifications] - 652540 li-ion battery size: 6.5x 25 x40mm / 0.26" x 0.98" x 1.57"(H*W*L), Voltage: 3.7 volts, Maximum Charging Voltage 4.25v; Capacity: 650mAh; Material: Lithium Polymer. Net weight: 15g.
- [Applications]- 3.7v lithiun Polymer battery is suitable for MP3/MP4, Bluetooth wireless headset, GPS, baby monitor, game console, skype, smart watch, surveillance device, POS, car recorder, mobile power, Bluetooth speaker, VR glasses, beauty device, pet tracker, ring visual doorbell, etc.
- Please use the battery correctly: 3.7v lithium batteries can not be used for high-current power devices, such as drones, miniature remote control helicopters, model airplanes, electric toys, etc.
Rank No. #5
YELUFT 1 pcs 3.7V 650mAh 503450 Lithium Polymer Battery 1S 1C LiPo Rechargeable Battery with Protection Board, Micro PH2.0 Plug Compatiable with ESP32 Development Board
- Safety and Reliability: Our product utilizes a cutting-edge, A-grade lithium battery system. Compared to others, it offers superior capacity and density, along with more stable discharge performance and an extended lifespan. Additionally, it meets the stringent UN 38.3 safety standards, ensuring both safety and reliability
- Protection Mechanisms: When the charging voltage reaches the highest battery voltage (4.2V), the protection board will automatically power off, it will not continue to charge; when the voltage drops below 3.0V, the protection board will also turned off to prevent deep discharge of the battery. Overcharge and overdischarge can lead to the loss of cell performance and battery function
- Prohibit Reverse Charging: Connect the positive and negative poles of the battery correctly and strictly prohibit reverse charging. If the positive and negative terminals of the battery are reversed, the battery cell cannot be charged. At the same time, reverse charging will reduce the charging and discharging performance and safety of the battery cell, and may cause heating and leakage
- Storage: When not in use for a long time, please keep the battery voltage between 3.7V-3.9V. If not used for more than 3 months, it must be placed in an environment with a temperature of 23°C~27°C and a humidity of 65% RH. We recommend charging the battery every 3 months after receiving it and storing it in a cool and dry place
- Widely Application: With Micro PH2.0 plug, these 650mAh LiPo battery can be used for RAK19007+RAK4631, ESP32 development board and Other low-power IoT/DIY electronics requiring compact power solutions
Rank No. #6
Traxxas 3.7V, 650mAh LiPo battery
- Fits LaTrax Alias quad-copter
- Direct OEM replacement battery
- Provides up to 15 minutes of flight time
- Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles
- Traxxas #6637 650mAh LiPo (Lithium Polymer) battery pack. LiPo is the best technology for Alias, delivering high-current output and plenty of capacity in a compact lightweight package. Flight times as long as 15 minutes are possible. Battery installation is simple; just slide the battery into the slot, plug it in, and tuck the connector into the special clip. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.
Rank No. #7
FITHOOD 603040 Battery 3.7v 650mAh Lithium Polymer Rechargeable Battery with with JST Connector for Household Appliances
- Product Specification:Voltage:3.7V;Capacity:650mAh;Type:Lithium Polymer
- Dimension:6 x 30 x 42mm / 0.24" x 1.18" x 1.65"
- Connector Type: 2P 2.0mm Pitch; Cable Length: 5cm / 2"
- Application: Suitable for bluetooth speaker, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, monitoring units, telematics, tracking devices, sleep management equipment and so on household appliances
- We offer a one-month free replacement or full refund if any product problems arise.
Rank No. #8
Qimoo 383450 3.7V Lipo Battery 650mAh 383450 Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Electronic Device
- [Note]- 3.7v lipo battery connector type is JST PH2.0MM !!!! - Please make sure the connector type and battery size match your device before purchase.
- [Connector Specifications]-3.7v battery Connector Type: PH 2.0mm;; Cable Length: 5cm / 2"; Please check the battery polarity before installation, if the connector polarity is not matched with your device, it will damage the device or new battery.
- [Battery Specifications] - 383450 li-ion battery size:48 x 33 x 4mm / 1.89" x 1.3" x 0.16"(L*W*H), Voltage: 3.7 volts, Maximum Charging Voltage 4.25v; Capacity: 650mAh; Material: Lithium Polymer. Net weight: 18g.
- [Applications]- 3.7v lithiun Polymer battery is suitable for MP3/MP4, Bluetooth wireless headset, GPS, baby monitor, game console, skype, smart watch, surveillance device, POS, car recorder, mobile power, Bluetooth speaker, VR glasses, beauty device, pet tracker, ring visual doorbell, etc.
- Please use the battery correctly: 3.7v lithium batteries can not be used for high-current power devices, such as drones, miniature remote control helicopters, model airplanes, electric toys, etc.
Rank No. #9
YDL 3.7V 721944 650mAh Lipo battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector
- 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: 650mAh；Maximum Charge Voltage/Current: 4.25V/325mAh; Material: Lithium Polymer.
- Connector Type: PH 2.0mm；Size: 7.2 x 19 x 45mm / 0.28" x 0.79" x 1.77"(T*W*L); Cable Length: 5cm / 2"; Net Weight: 14g.
- NOTE: The 3.7V 650mAh 721944 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.
Rank No. #10
5 Pcs 3.7V 650mAh 25C Molex Plug Lipo Rechargeable Battery with USB 5 in 1 Charger for Syma X5C X5SC X5SW Hengqi 905 Cheerson CX-30 XT Flyer RC Quadcopter Drone
- ✔✔ Battery Size:45 x 25 x 8.5mm( 1.77 x 0.98 x 0.33 inch ), Battery Weight:16 gram(0.56 oz)
- ✔✔ Volt:3.7V(1S),Capacity: 600Mah, Plug:MX-2.0 plug,Discharge Rate:25C
- ✔✔ 3.7V 650Mah li-po battery Fits for Syma X5C X5SW X5SC Hengqi 905 Cheerson CX-30 XT Flyer RC Quadcopter
- ✔✔ 5 in 1 USB Charger With 5 Independent Slot so that you can charge 1 to 5 battery at the same time.
- ✔✔ You Will get 5 x 3.7v 650mah Li-po battery and 1 x 5 in 1 USB Charger,You can Enjoy More Playing Time for Fun.
Last update on 2025-12-14 / Affiliate links / Images from Amazon Product Advertising API
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