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Rectangular black lithium-ion battery pack 106 by 104 by 47 millimetres with connector

Cameron Sino Battery for JBL PartyBox 300 13400mAh 7.4V

SKU CH-89N3-185AD

Replacement lithium-ion battery pack delivering 13400 mAh at 7.4 V for the JBL PartyBox 300 speaker

  • Battery pack size106 × 104.4 × 47
  • Battery capacity13,400 mAh
  • Battery voltage rating7.4 V
  • Details106 × 104.4 × 47
  • 13400 mAh capacity extends PartyBox 300 playtime
  • 4 V lithium-ion pack matches original voltage spec
  • 106 × 104.4 × 47 mm form factor fits speaker bay
  • ISO 9001, RoHS and CE certified for safety compliance
  • Decoded chip communicates with speaker like factory battery

Direct Replacement for JBL PartyBox 300

This Cameron Sino battery replaces the original pack in the JBL PartyBox 300 speaker. It matches the 7.4 V, 13400 mAh specification and the 106.00 x 104.40 x 47.00 mm form factor. A new fully decoded chip ensures the speaker recognises the pack exactly like the factory unit. The lithium-ion cells deliver 99.16 Wh of capacity.

Drop-In Fit with Existing Charging System

The pack slides into the speaker’s battery compartment without modification and connects to the original charging circuitry. No external charger or adapter is required; the PartyBox 300 manages charge and discharge through its built-in controller. The 490.0 g weight keeps the speaker’s balance unchanged. Overcharge, over-discharge, over-voltage and short-circuit protection are integrated on the pack’s circuit board.

Restores Full Portable Runtime for PartyBox 300

Owners whose original battery no longer holds a useful charge can return the speaker to its full wireless runtime. The replacement is not suitable for other JBL models or for speakers that use a different voltage or connector layout. Buyers who need a higher-capacity pack or a different form factor will not be served by this unit. Installation videos are widely available online for reference.

How it compares

Measured against everything we stock in Disposable & Rechargeable Batteries, at today’s prices. Recalculated every night.

Price $52.99
Pricier than about 72% of the 985 comparable items (median $28.99).

Specifications

Product
Brand nameCameron Sino
Model nameJBL PartyBox 300 JBLPARTYBOX300CN
Part numberJBL 2INR19/66/4 GSP-ICR2S4P-PB350A
Power
Battery capacity13,400 mAh
Battery voltage rating7.4 V
In the box
Battery pack size106 × 104.4 × 47

Questions about this item

How long will the 13400mAh capacity last before the battery needs recharging during continuous PartyBox 300 use?

Runtime depends on volume level and audio content; the 99.16Wh pack typically powers the speaker for several hours at moderate output before requiring a recharge.

Does the 7.4V lithium-ion pack run hot or make noise when the speaker plays all day?

The battery itself is silent and produces minimal heat; any warmth or fan noise comes from the PartyBox 300 amplifier, not from this replacement pack.

Must I already own a specific JBL charger or adapter to charge this 7.4V replacement battery?

The battery charges inside the PartyBox 300 using the speaker's original AC power supply; no separate charger is required.

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