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I'm trying connect an old set of bluetooth headphones to a new battery. I'm planning on connecting the board with 4 18650 cells in pararel from a powerbank that still works, so
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602248 3.7v Battery 700mAh for Sena SMH10 SMH10R SMH10D SMH10-11 SR10 Bluetooth Headset Battery Replacement fits Motorcycles Bluetooth Headset Intercom Built-in Battery: Amazon.co.uk: Electronics & Photo
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602248 3.7v Battery 700mAh for Sena SMH10 SMH10R SMH10D SMH10-11 SR10 Bluetooth Headset Battery Replacement fits Motorcycles Bluetooth Headset Intercom Built-in Battery: Amazon.co.uk: Electronics & Photo
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