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Amazon.com: EEMB Lithium Polymer Battery 3.7V 1800mAh 963450 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase(1) : Health & Household
D10 3.7V Rechargeable Lithium ion Battery Power Bank Cell use for LED Light Bluetooth Speaker Emergency Light (3.7v 2500mAh Li-ion Battery) : Amazon.in: Electronics
3.7V/150mAH-Lipo Rechargeable Battery-KP-350926 Model : Amazon.in: Electronics