Replacement Battery for JBL PartyBox 720 Speaker
Engineered for the JBL PartyBox 720, this replacement battery restores full wireless performance, sharing the same battery pack as the PartyBox 520.
Battery Specifications
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Compatible Model: JBL PartyBox 720 (shares battery with PartyBox 520)
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Part Number: FG6CELL21700G
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Voltage: 21.6V
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Capacity: 5000 mAh / 108 Wh
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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.
