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Palogreen Rechargeable Battery 400 Review: High-capacity Replacement for JBL Partybox and Xtreme 4

Palogreen 12000mAh Rechargeable Battery 400 for JBL Partybox Stage 320, JBL Xtreme 4-7.4V High-performance Lithium Battery with Type-c Input
4.7
[Wide Compatibility]  Fits Partybox Stage 320 and Xtreme 4; verify model and part number before purchase.
[High Capacity Battery]  12000mAh (7.4V) — 20% more capacity than original for extended playback.
[Fast Type-C Charging]  USB-C PD support enables fast charging, dramatically reducing recharge time.
[Advanced Safety Protections]  ROHS, CE, UL certified with overcharge, over-discharge, overheating, overcurrent, and short-circuit protection.
[Easy Install & Warranty]  Same size as original for simple swap; 6-month warranty and 30-day free returns.
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Replacement battery for portable speakers promising longer runtime and faster USB-C charging. Palogreen Rechargeable Battery 400 helps performers and party hosts stay powered through gigs and gatherings with fewer interruptions. Is the higher 12000mAh capacity and PD-capable Type-C input worth fitting as a replacement for JBL Partybox Stage 320 or Xtreme 4?

⚡ At a Glance
  • Capacity and Runtime: 12000mAh at 7.4V for extended playtime compared with many stock replacements
  • Best for: Owners of JBL Partybox Stage 320 and Xtreme 4 needing longer run times
  • Not ideal for: Users who require integrated hands-free or smart battery management within the speaker

High-capacity lithium cells deliver longer runtime at 7.4V. PD-capable Type-C input enables faster recharging while built-in protections guard against common battery faults.


Longer continuous playtime - with a 12000mAh high-capacity pack

High-capacity lithium cells rated at 12000mAh and 7.4V store significantly more energy than many original replacements, increasing usable hours per charge. The matched form factor maintains correct connections for the intended speaker models.

Extended run times reduce the need for mid-event battery swaps, making the battery useful for DJs, bands and outdoor gatherings.

Faster recharges - thanks to USB Type-C input supporting USB PD

USB Type-C port accepts Power Delivery and other fast-charging protocols, allowing higher charging currents where compatible chargers are used. Faster power transfer shortens downtime between uses without changing battery chemistry.

Quicker recharge cycles mean less waiting between gigs and faster turnaround for repeated use.

Safe, drop-in replacement - with multiple protective circuits and matching dimensions

Overcharge, over-discharge, overheating, overcurrent and short-circuit protection are integrated alongside industry certifications listed by the manufacturer. Physical dimensions and connector placement match the originals for straightforward installation.

Simple fitment and multiple safety measures give confidence when swapping batteries during routine maintenance or field use.

✨ The 4 Key Reasons for Palogreen Rechargeable Battery 400
  1. USB-C PD input - Reduces charging time, enabling quicker turnaround between events and rehearsals
  2. Precision fit - Allows straightforward swap into Partybox Stage 320 and Xtreme 4 without modification
  3. Multiple safety protections - Protects against overcharge, over-discharge, overheating, overcurrent and short-circuit
  4. After-sales support - Includes six-month warranty and 30-day free return and exchange service
📋 Technical Details at a Glance
  • Category: Replacement battery for portable speakers
  • Capacity: 12000mAh
  • Voltage: 7.4V
  • Chemistry: Lithium
  • Dimensions: 90mm x 23mm x 85mm
❓ Frequently Asked Questions

Q: Is the battery compatible with JBL Partybox Stage 320 and Xtreme 4?

A: Yes. Compatibility is stated specifically for Partybox Stage 320 and Xtreme 4, but confirm model and part numbers before fitting.

Q: Does the battery support fast charging?

A: Yes. The Type-C input supports USB PD and other fast charging protocols, which can deliver higher power and reduce charging time.

Q: What safety features and certifications are included?

A: Multiple protections are built in, including overcharging, over-discharging, overheating, overcurrent and short-circuit protection, and the battery carries ROSH, CE and UL certifications.

🏆 Our Verdict

Suitable for musicians, DJs and anyone who needs longer run times from Partybox Stage 320 or Xtreme 4 batteries. The combination of a 12000mAh lithium pack, PD-capable Type-C charging and multiple safety protections makes it a practical, modern replacement. While replacement choices should be weighed against original parts, the higher capacity and faster charging deliver clear long-term value for frequent users.