7 4v bluetooth speaker lithium battery latvia

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  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh Rechargeable …

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - …

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price
  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh Rechargeable …

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - …

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price
  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh Rechargeable Lithium ...

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for ...

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer Rechargeable ...

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable Batteries ...

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - UNI

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price
  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh Rechargeable …

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - …

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price
  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh …

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - …

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price
  • 7.4V Bluetooth Speaker Lithium Battery

    2021-10-11u2002·u20027.4V Bluetooth Speaker Lithium Battery Product Description 7.4V 2000mAh Bluetooth speaker Battery adopts a battery pack composed of 2 18650 3.7V 2000mAh single cells and a high-quality 2S protection plate, with stable capacity, long service life, and high capacity.

    Get Price
  • 7.4v 2500mah li ion battery pack for Electronic Appliances ...

    Browse industrial brands zone. Get the bestselling 7.4v 2500mah li ion battery pack on Alibaba.com at unrivaled discounts and enjoy high-performance output. The 7.4v 2500mah li ion battery pack are durable to ensure value for your money.

    Get Price
  • China 7.4V 1800mAh 103450 Lithium Polymer Li-Po ...

    2021-5-31u2002·u2002Sale 7.4V 1800mAh 106852 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 1.62 Piece 1000 Pieces Minimum Order Inquire Now 3.7V 900mAh 113555 Lithium Polymer Li-Po Rechargeable Battery For bluetooth speaker MP5 US$ 0.97 Piece 1000 Pieces Minimum Order Inquire Now Factory wholesale 7.4V 2200mAh Rechargeable …

    Get Price
  • China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh

    China Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker, Find details about China Battery, 7.4V Battery from Rechargeable Li-ion 18650 Battery 7.4V 2200mAh for Bluetooth Speaker - Shenzhen A&S Power Technology Co., Ltd.

    Get Price
  • MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium

    MAENT® 1Pcs Protected 7.4V 5000mah Premium Lithium Polymer Rechargeable Battery lipo Replacement Battery forJBL Xtreme, JBLXTREME, fits JBL GSP0931134 Bluetooth Speaker Battery - M21 : Amazon.in: Electronics

    Get Price
  • Lithium Batteries – XML Battery

    Specializing in Lithium-Ion, Ni-MH, Ni-CD, and much more. We work tirelessly to improve our quality of service always thinking about the customer experience. XML Battery offers RC Car Batteries, Solar Batteries, Exit Emergency Light Batteries, Security System Batteries, and more.

    Get Price
  • MAENT® 1Pcs Protected 7.4V Lithium Polymer

    MAEnt™ 7.4V Li-ion 18650 Lithium ion Rechargeable Battery Pack 2S2P 8.4V Battery Pack for GPS i Pod P sp/DVD/mp4 Tablet PC Drones Project Work Industrial Equipment (4000 mah) MAENT® 1Pcs Protected 3.7V Lithium Polymer Rechargeable Battery lipo Battery for GPS PSP Bluetooth Speaker hanheld Devices Project Work (1600 Mah)

    Get Price
  • Amazon.com: EBL 7.4V 2200mAh Li-ion Rechargeable

    7.4V 2600mAh-19.24wh Rechargeable Li-ion Battery - VIDAR Excellent Super Capacity Lithium Ion Battery with JST PH2.54/2P Plug-in for Electronics, Toys, Lighting, Equipment 4.1 out of 5 stars 80 1 offer from $39.99

    Get Price
  • Safety Data Sheet - Batteries

    1553 20C 2S 3200mAh 7.4V LiPo Hard Case - UNI 15168 25C 1S 250mAh 3.7V LiPo - Mini Losi 1554 20C 2S 4000mAh 7.4V LiPo Hard Case - UNI 15169 20C 3S 1800mAh 11.1V LiPo - Mini Tamiya 1555 20C 2S 5000mAh 7.4V LiPo Hard Case - UNI 15170 50C 2S 2400mAh 7.4V LiPo - …

    Get Price
  • [SOLVED] - Bluetooth Speaker battery issue

    2020-11-26u2002·u2002The lithium battery is 3.7V, a 9V battery voltage is way too high and will destroy the circuits in the speaker. Why are you talking about 7.4V when the battery is 3.7V, 7.4Wh (NOT VOLTAGE!). 3.7V x 2000mAh= 7.4Wh.

    Get Price