Customized batteries
OEM & ODM customized battery solutions with tailored capacity, size,
and connectors—eliminating mismatch problems, unstable output, and redesign delays.
Replacement JBL Boombox 2 Speaker Battery 7.4V 10400mAh Li‑ion
Premium replacement lithium‑ion battery pack specially engineered for JBL Boombox 2 portable bluetooth speaker. 7.4V nominal voltage, 10400mAh large capacity, direct plug‑and‑play replacement with original connector, built‑in multiple safety protection boards, effectively restore your speaker’s working hours. Suitable for personal repair, retailer stock and bulk wholesale orders.