Rechargeable Lithium Battery For JBL PartyBox Club 320 & Xtreme 4 JBL Battery 400 FG4CELL21700H Bluetooth Speaker Battery 9444mAh

Remember kindly: You need professional technology to change the built-in phone battery. We recommend that you go to a mobile phone repair shop to install it.

Notes: ​​​​​​​The battery Charging time (hrs)3.5 The battery Maximum music playing time (hrs)24 Battery Model:FG4CELL21700H Battery capacity: 9444mAh Compatible with :For JBL PartyBox Club 320 & Xtreme 4 JBL Battery 400 Battery Country of Origin: China

Important: New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles.

Voltage: 3.7–4.2 V