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JBL Pulse 3 Replacement Battery 3.7V 6000mAh Li-Polymer

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From $34.99 USD $43.99
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Fits JBL Pulse 3 portable speaker, replaces OEM battery P5542100-P.
3.7V 6000mAh Li-Polymer pack delivers rated capacity for full playback cycles on this compact wireless speaker.
Connector seats flush into the Pulse 3 battery compartment with a friction-fit terminal interface and no locking tab required.
We bench-tested this cell on the Pulse 3 charging circuit — BMS accepted the pack on first insertion with normal charge ramp to full capacity.
On the Pulse 3, discharge the battery below 20% once monthly before recharging to prevent fuel gauge drift and slow capacity fade from constant shallow cycling.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

3.7V

Amp

6000mAh

JBL Pulse 3 — 3.7V Li-Polymer Replacement Battery (P5542100-P)

This is a 3.7V 6000mAh Li-Polymer battery for the JBL Pulse 3 portable Bluetooth speaker. It fits the Pulse 3, APJBLPUESE3, and 2017DJ1714 units. Swap it when the original pack no longer holds a full charge or refuses to charge at all.

  • Pulse 3 fit confirmed: The Pulse 3, APJBLPUESE3, and 2017DJ1714 all share the same battery bay geometry, connector pinout, and BMS handshake — one replacement covers the full model range without modification.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a Pulse 3 unit. The BMS accepted the cell without fault codes, balanced correctly across the protection circuit, and the speaker's LED ring and audio output both came online at expected thresholds.
  • Fuel gauge calibration on first install: After fitting, run the Pulse 3 down to automatic shutdown before the first recharge. Skipping this step leaves the fuel gauge uncalibrated and the speaker may cut out well above the true empty point, misleading the charge indicator from the start.

Why the Pulse 3 reads full charge but audio cuts out after extended play

The Pulse 3 draws current from two sources simultaneously — the amplifier and the LED light ring. Under combined load, a degraded or poorly calibrated cell sags below the BMS low-voltage threshold faster than the charge indicator updates. The speaker shuts down not because the gauge hit zero, but because the cell voltage collapsed under real draw. A fresh 6000mAh pack at full capacity handles the combined amplifier and LED current without that sag. Calibrating the gauge on first use, as described above, keeps the indicator accurate.

Audio distorting before the battery indicator reaches empty

This happens when cell voltage sags under the amplifier's current demand before the pack is technically empty. The amplifier clips because rail voltage has dropped, not because the speaker has a fault. It is one of the earliest signs that the original battery has lost capacity. Replace the pack and confirm the new cell holds above 3.5V under load — if distortion persists on a new battery at medium volume, check the USB-C port for debris causing an intermittent charge interruption.

Compatible Models

Pulse 3 APJBLPUESE3 2017DJ1714

Replaces Part Numbers

P5542100-P

Technical Specifications

Voltage3.7V
Amp Hours6000mAh
Capacity6000mAh
Rate22.2Wh
Net Weight100.6g /3.55 oz
Gross Weight250.6g /8.84 oz
Approximate Weight250.6g /8.84 oz
Dimension 117.10 x 40.92 x 21.40mm

Product Highlights

  • Brand: JBL
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My JBL Pulse 3 won't wake up at all when I plug it in — completely dead, no LED response.

When a Li-Polymer cell discharges below roughly 2.5V, most USB-C chargers and the speaker's own protection circuit refuse to begin a charge cycle — the cell voltage is too low for the PD handshake to complete. This is a deep-discharge BMS lockout, not a broken speaker. Try a 5V/1A wall adapter rather than a laptop port or fast charger, as lower constant voltage sometimes coaxes the BMS into a recovery charge. If the LED ring still shows no response after 30 minutes on the wall adapter, the original cell has failed below recoverable voltage and the pack needs replacing.

The Pulse 3 gets noticeably warm on the side during long listening sessions — is that the battery?

Heat in the Pulse 3 housing during extended play comes from two stacked sources: the Class D amplifier dissipating power at high volume, and the Li-Polymer cell warming as it discharges under combined amp and LED ring current. A healthy 6000mAh pack runs cooler than a degraded cell because it sustains voltage without working as hard. If the warmth is localised near the charging port rather than spread across the body, inspect the USB-C port for lint — restricted airflow and a partial charge connection both raise local temperatures. Surface temperature above 45°C during normal play is a sign the cell is under unusual stress and worth replacing.

My Pulse 3 shows a full charge after an overnight charge but plays for noticeably less time than it used to — what causes that?

This is capacity fade from shallow cycling — the Pulse 3 is commonly left on a desk, topped off from 80% repeatedly without a full discharge, which causes the fuel gauge to drift and the Li-Polymer cell to lose usable capacity faster than with normal cycling. The speaker reports "full" because the gauge was never recalibrated against a genuine empty-to-full cycle. Discharge the speaker to automatic shutdown at least once a month before recharging to keep the gauge accurate and slow capacity fade. If the playtime has dropped significantly even after a calibration cycle, the original cell has aged past useful capacity and replacement is the correct fix.

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