Updated: 25 Feb 2025

speaker with 18650 batteries

Explore up to 23% Off

Updated: 25 Feb 2025

#1

Best Choice
HW 3.7V USB Rechargeable Lithium Batteries, Reliable True 3500 mAh (13000mWh) 18m Long-Lasting High Performance Battery, for Flashlights, Headlamps, RC Cars (2 Pack)

9.8

HW

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Main highlights

Reliable True Capacity 3500 mAh: HW 3.7V 18mm Rechargeable Battery provide actual 3500mah capacity, long-lasting and reuseable. Those batteries that claim to exceed 5000mah, their actual capacity will be much lower.

Note: THE BATTERY IS BATTOM TOP TYPE, , size is 70MMX 18.5MM, slightly 5mm longer than a regular 18650 battery due to its higher capacity. Please check if your device is compatible with the battery. HW usb rechargeable batteries- 3.7V lithium batteries used for flashlight, toys, headlamps and other household devices. This product is NOT sold with restricted lithium-ion standalone batteries.

Built-in micro USB port - easy to charge with the included 2 in 1 USB cable, no additional battery charger required, just plug into any USB port at anytime and anywhere, more than 1200 cycles, eco-friendly and save money.
#2

Value for Money
NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack)

9.6

NERMAK

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Main highlights

【Widely Uses】：NERMK 3.7V rechargeable batteries are suitable for flashlights, headlamps, toys, remote controls, microphones, radios, bike lights, bluetooth speakers, and other household devices.

【Superior Performance】：Built-in USB-C port, support C-C output, you can charge your cell phone and other devices in case of emergency, easy to charge with the included 2-in-1 USB cable, no need for an additional battery charger (does not support PD fast charging)

【Size Parameters】3.7V 3200mAh lithium batteries, size: 18mm(0.7 inch) diameter x 70mm(2.7 inch), (Note: they are longer than the flat-top batteries, please check the battery size before purchasing)
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#3
Qimoo 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

9.5

Qimoo

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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.
#4
5200mAh 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.

9.4

Fraternize

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Why 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.

Main highlights

High Capacity and Versatile
5200mAh lithium-ion battery, compatible with 3.7V and 4.2V equipment like Bluetooth speakers, solar lights, cameras, and dental lights. Easy installation and 12-month warranty.

Ideal for Solar and Electronics
Perfect for replacing batteries in solar outdoor lights, Bluetooth speakers, dental loupes, weather stations, and Raspberry Pi projects. Adjustable plug positions and interface port.

Easy Installation and Long Life
Customers praise the battery for its easy installation and long-lasting performance, especially in solar lights and electronic projects. Provides 12-14 hours of use.
#5
18650 Battery Charger Set, 3.7V Rechargeable Flat-top Battery for Flashlights, Headlights, Fans, Digital Cameras, Toys, Radios, Speakers, Surveillance Equipment (4 Pack Batteries)

9.2

XONBDNOX

-15%

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Why we love it

Durable: Rechargeable up to 1050 cycles.

Safe: Multiple security protection settings.

Portable: USB cable connection, no need to buy batteries.

Main highlights

【Product parameters】 Standard voltage: 3.7V, charging voltage: 3.7-4.2V, minimum discharge termination voltage: 2.75V, maximum charging termination voltage: 4.2V.

【Durable rechargeable】3400mAh 18650 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.Recharge up to 1050 cycles - longer battery life than alkaline batteries, No need to buy batteries frequently.

【Battery Charger】The USB cable can be charged, can be connected to cell phone chargers, computers, rechargeable batteries, etc. for charging, simple and convenient. two-color LED indicator, red light is on when charging, green light is on when full, intelligent full self-stop.

-15%
#6
SPARKOLE 7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/Remote Control Toy/Bluetooth Boom Box/Portable DVD Player/Outdoor Lighting

9.0

SPARKOLE

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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.

【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.
#7
1Pcs 18650 3.7v 4400mAh Li ion Rechargeable Battery Pack with 2.0Pin 2P JST-PH Connector 16.28Wh/4.4A, Blue, 6.6 x 1.8 cm (16.28Wh/4.4A) for Electronics, Toys, Lighting, Equipment

8.8

Generic

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Main highlights

【Wrap & Sticker】: Multipurpose Generic In blue

【Model Type】: 18650 1S2P 4400mAh With JST PH-2P/2.0 plug

【KNOW BEFORE USE】3.7V li-ion battery is suitable for 3.7V~4.2V equipment. For example, Bluetooth speakers, solar outdoor lights, solar cameras, dental lights, etc. After receiving the battery, check whether the position of the red (+) and black (-) wires of the plug is consistent with the old battery. In different positions, you need to adjust the position. If the plug size is different, you can replace the connector by yourself.
#8
2pcs 1￵￵8￵6￵50 Rechar￵ge￵abl￵e Batter￵￵y,Using The 18650 Rechargeable Battery Charger (Does not Include The 18650 Battery Charger) (2pcs Button Top Batter￵￵y)

8.7

Tokeyla

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Why we love it

Versatile for multiple devices.

Cost-effective and long-lasting.

High customer satisfaction.

Main highlights

Versatile Compatibility
Rechargeable battery suitable for flashlights, cameras, toys, and more.

Ideal for High-Use Devices
Perfect for flashlights and gadgets requiring frequent battery changes.

Praise for Longevity
Customers appreciate the long-lasting charge compared to disposable batteries.
#9
Xain-USA 18650 3.7V 4400mAh 1S2P Rechargeable Li-ion Battery Pack Replacement, 16.28Wh, with JST-PH2.0mm 2-pin Interface Female Connector. for Outdoor Lights, Toys, GPS, Speakers, Fire Alarm.

8.6

Xain-USA

-11%

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Main highlights

[Rechargeable 4400mAh Battery Pack] 3.7V - 4400 mAh - 16.28Wh, 1S2P, Lithium-Ion battery pack, with JST-PH2.0mm 2-pin connector. [Dimensions] 2.72"x1.55"x0.76". (69 x 39 x 19 - mm). [Weight] 3.3 oz (94 grams)

[Protection-PCB] Built-in PCB-FR-1 with IC-S8261DAX provides the battery pack with many safety features to protect against over-charge and over-discharge, operating temperature control, over-current, and short circuit protection.

[High Performance] 16.28Wh high-performance rechargeable Li-ion battery pack can support stable and safe power supply output at 0.2C, which means longer discharge time.

-11%
#10
4pcs 1￵8￵6￵5￵0 Rechargeable Batter￵y W￵i￵th 18650 Battery Charger,Universal Smart Charger for 3￵.7V L￵ithium ion Batteries LSXdetoro (4pcs Button Top Batter￵￵y+Charger)

8.3

LSXdetoro

-23%

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Main highlights

USB 18650 Charger Safety Protection Under voltage protection, over voltage protection, over current protection, over temperature protection, short circuit protection, excellent heat dissipation design .the product excludes the sale of restricted Standalone lithium batteries.

Compatible Devices: Rechargeable battery for flashlights, headlights, fans, digital cameras, radios, speakers, surveillance equipment.

Charging display-This Battery charger with Red/Green led light display, And the charger will display the status of each rechargeable battery when charging,Automatically detects battery power status and automatically stops charging when complete.

-23%

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speaker with 18650 batteries

HW 3.7V USB Rechargeable Lithium Batteries, Reliable True 3500 mAh (13000mWh) 18m Long-Lasting High Performance Battery, for Flashlights, Headlamps, RC Cars (2 Pack)

9.8

Main highlights

NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack)

9.6

Main highlights

Qimoo 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

9.5

Main highlights

5200mAh 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.

9.4

Why we love it

Main highlights

18650 Battery Charger Set, 3.7V Rechargeable Flat-top Battery for Flashlights, Headlights, Fans, Digital Cameras, Toys, Radios, Speakers, Surveillance Equipment (4 Pack Batteries)

9.2

Why we love it

Main highlights

SPARKOLE 7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/Remote Control Toy/Bluetooth Boom Box/Portable DVD Player/Outdoor Lighting

9.0

Main highlights

1Pcs 18650 3.7v 4400mAh Li ion Rechargeable Battery Pack with 2.0Pin 2P JST-PH Connector 16.28Wh/4.4A, Blue, 6.6 x 1.8 cm (16.28Wh/4.4A) for Electronics, Toys, Lighting, Equipment

8.8

Main highlights

2pcs 1￵￵8￵6￵50 Rechar￵ge￵abl￵e Batter￵￵y,Using The 18650 Rechargeable Battery Charger (Does not Include The 18650 Battery Charger) (2pcs Button Top Batter￵￵y)

8.7

Why we love it

Main highlights

Xain-USA 18650 3.7V 4400mAh 1S2P Rechargeable Li-ion Battery Pack Replacement, 16.28Wh, with JST-PH2.0mm 2-pin Interface Female Connector. for Outdoor Lights, Toys, GPS, Speakers, Fire Alarm.

8.6

Main highlights

4pcs 1￵8￵6￵5￵0 Rechargeable Batter￵y W￵i￵th 18650 Battery Charger,Universal Smart Charger for 3￵.7V L￵ithium ion Batteries LSXdetoro (4pcs Button Top Batter￵￵y+Charger)

8.3

Main highlights

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