Amazon.com: 13400mAh High-Capacity Extended SUN-INTE-125, 2INR19/66/4 Battery Replacement Compatible with JBL PartyBox 300 High Power Portable Wireless Bluetooth Party Speaker : Electronics
JBL PartyBox 300 | Battery-powered portable Bluetooth party speaker with light effects
Amazon.com: LIONX Battery Replacement for Speaker Fit Model PartyBox 100 Part Number SUN-INTE-260 2600mAh / 37.44Wh 14.4v Li-ion 106.00 x 104.50 x 26.50mm Black : Electronics
1pcs For Jbl Partybox 310 Partybox 300 Portable Bluetooth Speaker Battery - Connectors - AliExpress
Amazon.com: GAXI Battery for PARTYBOX300CN, PartyBox 300 Replacement for P/N 2INR19/66/4, SUN-INTE-125 : Electronics
100% Original Losoncoer 14500mah Battery 2inr19/66/4 Sun-inte-125 For Jbl Partybox 300 Jblpartybox300cn Speaker Battery - Digital Batteries - AliExpress
JBL Consumer (Discontinued) PartyBox 300 Portable Bluetooth Speaker, 2x 6.5", Rechargeable Battery | Full Compass Systems