Synergy Digital Speaker Battery, Works with JBL AEC982999-2P Speaker, (Li-Pol, 3.7V, 6000 mAh) Ultra High Capacity, Compatible with JBL AEC982999-2P Battery - Walmart.com
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Jim B Lansing JBL by Ampex 6000 (150-4C(x8)/ 375 Early Bubble Back(x4) worldwid | eBay