Custom rechargeable battery packs for kids audio players, children's story players, portable music speakers and educational audio devices. Designed for Toniebox-style and other portable kids audio equipment, these battery solutions support customized chemistry, voltage, capacity, battery dimensions, connector, wire, BMS, label, logo and packaging. Ni-MH and lithium rechargeable battery options are available according to device requirements. OEM/ODM battery manufacturing is available for customized children's audio devices.
