Replacement Battery for JBL PartyBox 320 Speaker
Restore your JBL PartyBox 320 (Stage 320) to full performance with this replacement battery, matching JBL's own Battery 400 specification.
Battery Specifications
-
Compatible Model: JBL PartyBox 320 / PartyBox Stage 320 (JBL Battery 400)
-
Part Number: FG4CELL21700X
-
Voltage: 7.4V
-
Capacity: 10000 mAh / 74 Wh
-
Battery Type: Lithium-ion (Li-ion)
Key Features
- ✓ Built-in BMS Protection — overcharge, over-discharge, overheat & short-circuit protection
- ✓ Direct Drop-In Fit — matches original specifications exactly
- ✓ Premium Li-ion Cells — stable voltage, long cycle life
- ✓ 100% Tested Before Dispatch — quality verified at BatteryWorks
- ✓ Cost-Effective Repair — restore your speaker for a fraction of replacement cost
Why BatteryWorks?
BatteryWorks India specialises in replacement batteries for JBL, Bose, Bang & Olufsen, Harman Kardon and other premium audio brands. Every battery is certified, tested and ready to install.
