3400mAh MLP713287-2S2P Battery for Harman/Kardon Esquire – SMAVtronics
3500mAh CP-HK03, GSP805070 High Capacity Battery for Harman Kardon Esquire 2 - Walmart.com
Li11b001f For Harman Kardon Onyx Studio 2 Wireless H Speaker Battery - Buy Speaker Battery,Wireless Speaker Battery,Battery For Harman Kardon Product on Alibaba.com
Amazon.com: Replacement Battery for Harman/Kardon Esquire 2 : Electronics
3200mah Battery For Harman Kardon Esquire 2 Player New Li-po Rechargeable Accumulator Pack Replacement 3.7v Gsp805070+track Code - Digital Batteries - AliExpress