Speaker With 18650 Batteries of 2025
Best Choice1
SkywolfeyeSkywolfeye 6 Pack 18650 Rechargeable Battery 3.7v 18650 Rechargeable Battery Lithium 3.7 Volt Button Top for Flashlights, Headlamp etc
Main highlights- Widely Compatible: 3.7 volt 18650 rechargeable battery for flashlights, headlights, digital cameras, doorbells,toys, radios, speakers, Electronic Device. this 3.7v battery is highly portable, making it convenient for travel, camping trips
- Product Size: 67*18*18mm/2.63*0.7*0.7inch; it's a 3.7 volt rechargeable battery BUTTON TOP, please check carefully before purchasing
- Package Includes: 6 pack button top batteries
- Multiple Protections: This 3.7v 18650 battery features six types of protection, including temperature, short circuit, overcharge, and overcurrent protection. These features ensure the battery remains stable and your device stays protected at all times.Please fully charge the battery before the first use, the battery will work better. Charge up to 1000 times without frequent battery changes
9.6Exceptional
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Value for Money2
MORNGCMORNGC 18650 Battery Case 4Pack Battery Set, 3400mAh Battery for Flashlights, Headlights, Fans, Digital Cameras, Toys, Radios, Speakers, Surveillance Equipment, etc.
Main highlights- 【Reliable Guarantee】Product warranty 12 months, 1 month return, if the product has any problems, please contact us in time. We will provide you with professional solutions, satisfactory service 24 hours.
- 【Product Parameters】 Standard Voltage: 3.7V, Charging Voltage: 3.7-4.2V, Minimum Discharge Termination Voltage: 2.75V, Maximum Charge Termination Voltage: 4.2V.Adopting 3400mah high capacity battery, low discharge multiplier, high power consumption, no memory effect, high energy density, non-polluting design. Flat top batteries are tested under strict quality control standards, completely risk-free.
- 【Durable and Rechargeable】3400mAh high capacity rechargeable batteries can be widely used for LED flashlights, emergency lights, portable devices, headlamps, toys, remote controls, doorbells and other electronic devices. Rechargeable up to 1050 times - Battery life is longer than alkaline batteries, no need to buy batteries frequently.
- 【Anti-corrosion and flame retardant shell】can effectively protect the battery and prolong the service life of the battery. Prevent waste of non-rechargeable batteries. No memory effect, large battery capacity, so you no longer worry about your equipment running out of power.
9.5Excellent
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3
XINLANTECHXINLANTECH 3.7v 5200mah Rechargeable Lithium Battery Pack with JST PH2.0-2Pin Plug for Bluetooth Speaker, Solar Light Battery, Outdoor lamp Battery, 1s2p Batteries Pack
Main highlights- This 3.7v 5200mah rechargeable lithium battery pack is made of 2 balanced 2600mAh cells for a total of 5200mA capacity. The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage and over-current protection.
- POSITION OF INTERCHANGE WIRES --- If the polarity of the red and black wires are reversed, you need to exchange the position of the plug wires, You will need to take the wires out of the plastic plug and reverse them only. To do this, take the small blade you own, very gently pry up the two plastic tabs on the top of the plug one at a time, and gently pull the wire out of the plastic plug.( Don't yank!)
- Before replacing, please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires.
- Battery pack wire length 5.1in with JST PH2.0 2pin plug.
- Battery pack Size: 2.68*1.46*0.75 Inch.
- 3.7v 5200mah lithium ion Battery pack.
9.3Excellent
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4
SPARKOLESPARKOLE 7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/Remote Control Toy/Bluetooth Boom Box/Portable DVD Player/Outdoor Lighting
Main highlights- 【Wide Compatibility】Compatible with speaker/ walkie talkie/ X6 transmitter/ bluetooth boom box/ portable DVD player/ remote control toys/ outdoor lights and so on.
- 【Smart Chip】Professional battery management system with built-in smart chip provides reliable overcharge, overdischarge, short circuit, overheat, overvoltage, overcurrent multiple safety protection functions, ROHS, CE certified, in line with environmental standards.
- 【Shopping Worry-free】Sparkole provides 35 days refund and 365 days warranty policy for our products, as well as 24 hours friendly customer service, if you encounter any problems during use, please contact us promptly to get the perfect solution.
- 【Low Self-discharge Rate & Long Life Span】Lithium-ion battery has the lowest self-discharge rate among all types of batteries, generally less than 1%/month, less than 1/20 of NiMH battery. long life span, can be recharged up to 3000 times. High and low temperature adaptability, can be used in the environment of -20 ℃ - 40 ℃.
- 【High Capacity】7.4v 2500mAh Li-ion rechargeable battery, which can make your device get longer usage time. Port type: JST-XHP-2 , cable length 3.87 inch, size: 2.6 * 1.45 * 0.76 inch, weight only 93g, easy to carry.
9.1Excellent
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5
Fraternize5200mAh 3.7v lithium ion battery with 2.0Pin JST-PH JST 2.0/2P Plug Rechargeable battery Pack lithium 3.7 volt batteries for Electronics, Toys, Lighting, Equipment, Bluetooth speaker other products.
9.9 Easy installation9.7 Battery Duration8.7 worth the moneyWhy we love it
Long-lasting battery life up to 14 hours.
Easy to install and replace old batteries.
Versatile use for various devices and equipment.
9.0Excellent
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6
ThincolBluetooth Audio Amplifier Board, PAM8403 5V 5W+5W Dual Channel Digital Power Amplifier Board, 18650 Battery Rechargeable 20m Cover Range for Speaker DIY
Main highlights- NOTE FOR USE -- Install the 18650 battery to strictly distinguish the positive and negative poles of the battery. At the same time, the red is the positive pole and the black is the negative pole.
- ELECTRICITY PARAMETERS -- 5V Micro charging voltage input, 18650 lithium battery constant power supply, can support dual-channel 5W+5W independent speakers.
- EASY TO OPERATE -- The button operation supports volume addition and subtraction, switching songs, playback pause, and power switch operations. It also supports wireless operation after Bluetooth connection.
- DIGITAL BLUETOOTH POWER AMPLIFIER BOARD -- onboard lithium battery digital Bluetooth power amplifier board, rechargeable dual-channel active power amplifier board, 10W.
- ACTIVE INPUT -- supports multiple input methods, SD card, USB, and Bluetooth wireless connection input. When the switch is turned on, it can automatically read the SD card and U disk, and start playing songs. It is easy to use.
8.8Very Good
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7
QimooQimoo 3.7V 5200mah-19.24Wh Rechargeable Battery Pack Lithium Ion Batteries with PH2.0mm Connector 3.7 Volt Batteries for Bluetooth Speaker,Electronics, Toys, Lighting
Main highlights- The 5200mah-16.28Wh rechargeable li-ion battery pack is suitable for 3.7V~4.2V devices. For example, DIY electronic products, Bluetooth speakers, toy cars, solar outdoor lights, medical equipment, power tools, etc.
- Specifications: Capacity : 5200mAh; Size: 66x37x20mm/2.6x1.45x0.78inch ; Weight: 95g ;wattage : 19.24Wh; Type of plug: PH2.0mm ;Cable Length: 10cm / 3.9".
- Performance: The 3.7volt lipo battery has consistency in voltage, internal resistance (20mΩ) and capacity. Ensure the stability and durability of the battery. Long discharge time and high cycle times. Normal charging and discharging 300 times can still maintain 85% of capacity.
- Package Content: 1 x 5200mAh-16.28Wh high capacity lithium ion batteries.
- Notice: Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
8.7Very Good
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8
QimooQimoo 3.7V 5200mah-19.24Wh Rechargeable Battery Pack Lithium Ion Batteries with PH2.0mm Connector 3.7 Volt Batteries for Bluetooth Speaker,Electronics, Toys, Lighting
Main highlights- The 5200mah-16.28Wh rechargeable li-ion battery pack is suitable for 3.7V~4.2V devices. For example, DIY electronic products, Bluetooth speakers, toy cars, solar outdoor lights, medical equipment, power tools, etc.
- Specifications: Capacity : 5200mAh; Size: 66x37x20mm/2.6x1.45x0.78inch ; Weight: 95g ;wattage : 19.24Wh; Type of plug: PH2.0mm ;Cable Length: 10cm / 3.9".
- Performance: The 3.7volt lipo battery has consistency in voltage, internal resistance (20mΩ) and capacity. Ensure the stability and durability of the battery. Long discharge time and high cycle times. Normal charging and discharging 300 times can still maintain 85% of capacity.
- Package Content: 1 x 5200mAh-16.28Wh high capacity lithium ion batteries.
- Notice: Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
8.6Very Good
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9
TokeylaTokeyla 3.7 Volt 18650 Rechargeable Battery, 3000mAh Battery Flat Top Lithium Batteries for LED Flashlights, Headlamp (6 Pack)
Main highlights- 【You Will Get】6 x Flat Top Battery and 1 x White Battery Cases
- 【Wide Compatibility and Rechargeable】3000mAh high capacity 18650 rechargeable battery can be widely used for LED flashlights, solar lights, racing, emergency lights, portable devices, headlamps and other electronic devices
- 【Product Quality】Low discharge multiplier, no memory effect.3.7 volt rechargeable battery are tested under strict quality control standards,safe and reliable use.Premium Li-ion Cells For Longer Battery Life
- 【Product Parameters】This 18650 battery 3.7V standard voltage 3000mAh high capacity, Size:2.55 x 0.7inch(65 x 18mm) .it's a rechargeable battery FLAT TOP, Please confirm whether your device is suitable before purchasing
- 【Pre-Charged】Each 3.7v lithium ion battery is ready to use and It can be recharged over 1000 times and keep 80% power after non-use for 1 years
8.4Good
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10
XONBDNOX18650 Battery Charger Set, 3.7V Rechargeable Flat-top Battery for Flashlights, Headlights, Fans, Digital Cameras, Toys, Radios, Speakers, Surveillance Equipment (4 Pack Batteries)
Why we love it
Durable: Rechargeable up to 1050 cycles.
Safe: Multiple security protection settings.
Portable: USB cable connection, no need to buy batteries.
8.2Good
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