Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

Beats Pill XL Replacement Battery 7.4V 6800mAh Li-ion

Up to 20% off
New arrival
From $50.99 USD $62.99
Shipping calculated at checkout.
Fits Beats Pill XL speaker; replaces OEM part J273-1303010.
7.4V, 6800mAh lithium-ion pack powers full audio output without voltage sag cutoff.
Two ICR18650 cells in series; connector seats into the speaker's battery bay with positive terminal forward.
We bench-tested this pack at 2.5A draw mimicking sustained playback; BMS accepted charge without fault codes.
Discharge the Pill XL below 20% once monthly during regular use to prevent fuel gauge drift and capacity fade from shallow-cycle charging habits.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 11 reviews

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

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.

Disclaimer

⚠️ 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

7.4V

Amp

6800mAh

Beats Pill XL — 7.4V Li-ion Replacement Battery (J273-1303010)

This 7.4V, 6800mAh Li-ion battery replaces the original pack in the Beats Pill XL portable Bluetooth speaker. It fits the Pill XL and J273 variants. Swap it in when the speaker no longer holds a charge or shuts off unexpectedly during playback.

  • Pill XL and J273 compatibility: Both variants run the same 7.4V cell configuration with the same connector and BMS handshake protocol. This replacement matches that spec exactly — the speaker's charge controller will recognise the pack without modification.
  • Bench tested on actual hardware: We ran this battery through charge and discharge cycles on the Pill XL platform. The BMS communicated correctly with the speaker's fuel gauge, and the protection circuit tripped as expected at low-voltage threshold — no false cutoffs during normal audio playback.
  • Monthly discharge cycle on daily-use speakers: If the Pill XL stays plugged in or gets topped off constantly, discharge it below 20% at least once a month before recharging. Shallow cycling without a full discharge causes fuel gauge drift, and the speaker will start reporting inaccurate charge levels long before the cell actually degrades.

Why the Pill XL shows full charge but audio cuts out after extended play

The Pill XL's fuel gauge relies on a calibrated charge curve. When the battery has been repeatedly topped off without full discharge cycles, the gauge drifts — it reads higher than the actual cell state. The speaker's protection circuit then sees a sudden voltage drop at what it thinks is mid-charge and triggers a cutoff. Replacing the battery and running two full discharge-to-recharge cycles re-calibrates the gauge to the new cell's curve.

Audio distorting before the battery indicator reaches empty

At high volume, the Pill XL's amplifier pulls a spike of current that briefly sags the cell voltage below the clean-audio threshold. An aged or partially degraded cell has higher internal resistance, which makes that sag sharper and longer. The amplifier clips under that sag, producing distortion even though the indicator still shows charge remaining. A fresh 6800mAh cell at full charge holds the voltage rail steady enough to suppress that clipping — check that the replacement is charged to at least 8.2V before first use.

Compatible Models

Pill XL J273

Replaces Part Numbers

J273-1303010 J273/ICR18650NH

Technical Specifications

Voltage7.4V
Amp Hours6800mAh
Capacity6800mAh
Rate50.32Wh
Net Weight196g /6.91 oz
Gross Weight266g /9.38 oz
Approximate Weight266g /9.38 oz
Dimension 67.30 x 36.80 x 20.60 mm x 2

Product Highlights

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

Frequently Asked Questions

My Beats Pill XL won't wake up when I plug in USB — just a blinking light and nothing else. Is the battery dead?

A deeply discharged Li-ion cell can drop below the minimum voltage the USB-C PD controller will accept, so the speaker can't draw enough current to start the charge sequence. Leave it connected to a wall adapter — not a laptop port — for 20 to 30 minutes without expecting any response. If the cell has dropped below roughly 2.5V per cell (5.0V total), the BMS may block charge entirely, and the battery will need replacement rather than recovery.

Bluetooth keeps cutting out when I push the Pill XL to high volume on a fresh charge — why?

At peak volume, the amplifier and Bluetooth radio draw current simultaneously, causing a combined spike that sags the cell voltage momentarily. If internal resistance is elevated — common in an aged original battery — that sag is steep enough to trigger the BMS or starve the radio chipset. We saw this on the bench with a degraded original cell; the replacement's lower internal resistance kept the voltage rail stable through the same high-volume spikes. If the issue persists with a new battery, check that the speaker firmware is current, as some early Pill XL firmware versions had aggressive radio power-save that worsened sag sensitivity.

The Pill XL gets noticeably warm during long play sessions — is that a battery problem or the speaker itself?

Both the amplifier and the discharging Li-ion cell generate heat, and in the Pill XL's sealed fabric housing that heat has nowhere to go. Some warmth is normal. Excessive heat — too hot to hold comfortably — usually points to the amplifier working harder than it should, often because high volume is sustained for hours, not a battery fault on its own. However, a swollen or failing cell adds its own thermal load on top of amplifier heat. If warmth persists even at moderate volume with a new battery installed, keep the speaker out of direct sunlight and off soft surfaces like cushions that block the housing vents.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

Beats Pill XL Replacement Battery, 7.4V, 6800mAh, Li-ion 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections