Compatible Replacement Battery for JBL Boombox 1 2 3

Replacement Battery for JBL Boombox 1/2/3 Upgrade your JBL Boombox series speakers with our high-performance replacement battery pack. Engineered for reliability, long-lasting performance, and full compatibility with Boombox 1, 2, and 3, this battery restores optimal playtime for your portable speaker. Key Benefits Seamless Compatibility: Works with JBL Boombox 1, 2, and 3 models. Smart Protection: Built-in IC chip guards against overcharge, over-discharge, short-circuit, and overheating. Premium Cells: Grade A+ cells ensure consistent power delivery and extended cycle life up to 1000 cycles. Reliable Performance: Restores your speaker's full playtime and audio output quality. Easy Installation: Swap the battery effortlessly; recommended 3–5 charge/discharge cycles after installation for optimal performance. Specifications Boombox 1: 7.4V, 10000mAh, LiPo, 148 × 66 × 18.5 mm, 220g Boombox 2: 7.26V, 10400mAh, Li-ion, 132 × 75 × 20 mm, 400g Boombox 3: 7.26V, 10400mAh, Li-ion, 132 × 75 × 20 mm, 400g Applications Replacement for JBL Boombox 1, 2, and 3 batteries Restores long-lasting playtime and portable speaker performance Package Includes 1 × LiPo Battery Pack Charging & Safety Use only the compatible speaker charging system. Do not puncture, disassemble, short-circuit, or expose to heat. Stop using if swelling, damage, abnormal heat, or odor occurs. Recycle used lithium batteries according to local regulations.