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Sony SRS-XE200 Replacement Battery 3.7V 2500mAh SP903867

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From $38.99 USD $47.99
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Fits Sony SRS-XE200 portable speaker; replaces OEM part SP903867.
3.7V, 2500mAh Li-Polymer cell restores full charge capacity to the compact speaker.
Connector mates directly into the battery slot with no adapter required.
We bench-tested the pack on full-volume playback; BMS held stable voltage under sustained amplifier draw.
On first charge with the SRS-XE200, let the pack reach 100% without interruption—the fuel gauge requires a complete cycle to calibrate correctly.
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

2500mAh

Sony SRS-XE200 — 3.7V Li-Polymer Replacement Battery (SP903867)

This is a 3.7V, 2500mAh Li-Polymer battery for the Sony SRS-XE200 portable Bluetooth speaker. It replaces part numbers SP903867, MDA054PA, and N4HUHQB00001. If the original cell has degraded and the speaker no longer holds a charge through a listening session, this is the direct swap.

  • SRS-XE200 fit: The SRS-XE200 uses a single flat Li-Polymer cell at 3.7V nominal. The cell dimensions are 63.00 × 36.00 × 8.80mm. Any deviation in thickness or connector orientation will prevent proper seating against the speaker's internal frame.
  • Bench tested on actual hardware: We ran the cell through charge and discharge cycles on the bench. The BMS accepted charge input cleanly, held stable voltage through simulated amplifier draw, and cut off correctly at the low-voltage threshold without dropping into protection mode prematurely.
  • Fuel gauge reset after install: After fitting a new cell, run the SRS-XE200 down to auto-shutoff from a full charge before recharging. Skipping this step leaves the onboard fuel gauge calibrated to the old cell's degraded capacity, so the battery indicator will read inaccurately from day one.

Capacity fade from constant top-off charging on the SRS-XE200

The SRS-XE200 is commonly left on a USB-C charger at a desk between uses. Li-Polymer cells held near 100% charge for extended periods develop elevated internal resistance faster than cells allowed to cycle. This doesn't show up immediately — it appears as a gradual shortening of playtime over several months. Allowing the cell to drop below 20% at least once a month before recharging slows this degradation and keeps the fuel gauge tracking accurately.

Audio distorting before the battery indicator reaches empty

This happens when a degraded cell can no longer sustain voltage under the combined draw of the amplifier and Bluetooth radio. At higher playback volumes, current demand spikes and cell voltage sags below the amplifier's clean operating threshold — producing clipping distortion even though the indicator shows remaining charge. The battery indicator reads state of charge, not instantaneous voltage under load. Fitting a fresh 2500mAh cell restores the voltage headroom needed to maintain clean output down to the actual cutoff point near 3.0V.

Compatible Models

SRS-XE200

Replaces Part Numbers

SP903867 MDA054PA N4HUHQB00001

Technical Specifications

Voltage3.7V
Amp Hours2500mAh
Capacity2500mAh
Rate9.25Wh
Net Weight42g /1.48 oz
Gross Weight67g /2.36 oz
Approximate Weight67g /2.36 oz
Dimension 63.00 x 36.00 x 8.80mm

Product Highlights

  • Brand: Sony
  • 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

The SRS-XE200 won't wake up or start charging after sitting unused for a few months — what's happening?

A Li-Polymer cell left discharged for weeks can drop below the USB-C PD minimum acceptance voltage, typically around 2.5V. At that point the speaker's charge controller won't initiate a charge cycle because it reads the cell as out of spec. Some units recover with a trickle charge applied for 10–15 minutes using a slow 5V charger rather than a fast charger — this brings the cell voltage up enough for the main charge circuit to engage. If the cell reads below 2.5V and won't recover after 20 minutes on trickle, the cell needs replacing.

Bluetooth keeps cutting out when the volume is turned up past halfway on the SRS-XE200 — is this a battery issue?

Yes, on a degraded cell this is a known failure pattern. The SRS-XE200's amplifier and Bluetooth radio share the same cell, and high volume triggers a current spike that older cells can't deliver without voltage sagging. When voltage sags under combined amp and radio draw, the Bluetooth module loses stable power and drops its connection. A fresh 2500mAh cell at full charge should hold above 3.5V under this combined load — if the old cell is dipping below that, swapping the battery resolves it.

The SRS-XE200 feels noticeably warm on the back panel after an hour of play — is that normal with a new battery?

Some warmth is expected — the amplifier and the discharging Li-Polymer cell both generate heat inside a compact sealed housing. With a fresh cell the warmth should stay mild and even across the back panel. If the speaker gets hot to the touch in one spot near the cell rather than distributed across the chassis, check that the replacement cell is seated flush with no edge pressure causing localised contact. Confirm the cell dimensions match 63.00 × 36.00 × 8.80mm — an oversized cell compressed into the housing will run hotter than rated.

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