Lithium Battery LP18650C 5200mAh for Portable Bluetooth Speaker

The portable Bluetooth speaker has a built-in high-capacity rechargeable lithium polymer battery and has a top-grade waterproof IPX 7 – allowing you to soak 1 meter underwater for 30 minutes. High power 5200mAh lithium polymer battery keep it stay a long time.


Superior Quality Sound

Unique stereophonic active two-way fractional frequency system and double passive radiator design make the sound more clear and sonorous.

Flashing Strobe

Build energy with a multicolored line light and flashing strobe make music more dynamic and attractive.

Long Battery Life

Built-in 3.7V lithium polymer battery LP8650 5200mAh can make 50% volume playback time up to 12 hours.

Wireless Stereo Pairing

Connect 2 Bluetooth speakers via a single device for 360° stereo sound and double the volume.

Advanced Bluetooth Technology

Bluetooth 4.2 technology makes the signal transmission more stable.


Battery: Built-in 5200mAh LP18650 lithium polymer battery

Playtime: About 12hours at 50% volume

Input: 5V/2A

Output power: 2 x 12W, 2 x 10W, THD<1%

Charging time: About 3-4 hours

Bluetooth standard: 4.2+EDR

Powered by Cylindrical Lithium Polymer Battery LP18650C

Part Number






State of Charge

< 30 %

Internal Impedance






Charging temperature Range

-0℃ to +45℃

Discharging temperature Range

-20℃ to +60℃

Storage Temperature Range

-20℃ to +45℃

Life Expectancy(typical)
No.of cycles(>70% on Cmin)

300 cycles

LP18650 Lithium Polymer Battery List

LP18650D 3S11.1220018*54*65
LP18650D 3P3.7660018*54*65
LP18650D 2S7.4220018*36*65
LP18650D 2P3.7440018*36*65
LP18650C 3S11.1260018*54*65
LP18650C 3P3.7780018*54*65
LP18650C 2S7.4260018*36*65
LP18650C 2P3.7520018*36*65
LP18650B 3S11.1280018*54*65
LP18650B 3P3.7840018*54*65
LP18650B 2S7.4280018*36*65
LP18650B 2P3.7560018*36*65
LP18650A 3S11.1320018*54*65
LP18650A 3P3.7960018*54*65
LP18650A 2S7.4320018*36*65
LP18650A 2P3.7640018*36*65
LP18650S 3S11.1335018*54*65
LP18650S 3P3.71005018*54*65
LP18650S 2S7.4335018*36*65
LP18650S 2P3.7670018*36*65
LP18650A+ 3S11.1350018*54*65
LP18650A+ 3P3.71050018*54*65
LP18650A+ 2S7.4350018*36*65
LP18650A+ 2P3.7700018*36*65

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