Amazon.com: Replacement Battery for Harman/Kardon Esquire 2 : Electronics
Battery for Harman/Kardon Esquire Mini Replacement Harman/Kardon P655252 2100mAh 4894580305039 | eBay
Battery Harman Kardon Esquire 2 | Harman Kardon Replacement Parts - New 3.7v 3200mah - Aliexpress
High quality Replacement Battery Built in Li ion Battery 3200mAh Battery GSP805070 for Harman Kardon Esquire 2 Special Edition|Mobile Phone Batteries| - AliExpress