Custom rechargeable lithium battery packs for AI smart speakers, portable Bluetooth speakers, voice assistant devices and audio equipment. We support 3.7-14.8V and 500-10,000mAh+ configurations with custom voltage, capacity, dimensions, cell configuration, connector, wire, BMS protection, labels and packaging. Application references include JBL, Bose, Sony, Sonos, Amazon Echo, Google Nest and other major audio brands. OEM/ODM, sample development and mass production are available.

