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LG XBOOM Go XG9 Compatible Battery 14.8V 6700mAh

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From $74.99 USD $92.99
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Fits LG XBOOM Go XG9 portable Bluetooth speaker, replacing OEM battery part numbers EAC64790801 and IBA007GA.
14.8V, 6700mAh lithium-ion cell delivers full amp-hour capacity across the amplifier and wireless radio draw simultaneously.
Connector slides into the battery slot with a single locking tab; verify the contact pins are clean before insertion.
We bench-tested this cell on discharge cycles; BMS held voltage stable under combined audio and Bluetooth load without voltage sag cutoff.
Discharge the pack to below 20% capacity monthly before recharging — constant top-off charging causes fuel gauge drift and accelerates capacity fade on this lithium-ion platform.
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.

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

14.8V

Amp

6700mAh

LG XBOOM Go XG9 — 14.8V Li-ion Replacement Battery (EAC64790801)

This is a 14.8V, 6700mAh Li-ion battery for the LG XBOOM Go XG9 portable Bluetooth speaker. It replaces OEM part EAC64790801 and IBA007GA. Fits XG9QBK.ABRALLB, XG9QBK.ABRALLK, XG9QBK.DEUSLLB, and related XG9 variants.

  • XG9 speaker platform fit: These XG9 model codes all share the same 14.8V battery rail, connector type, and BMS handshake protocol. The cell configuration and communication lines are identical across the variant suffixes, so one pack covers the full XG9 lineup.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on the XG9 platform. The BMS negotiated correctly on first connection — no fault codes, no false low-battery flags, and the fuel gauge tracked accurately across the full charge range.
  • Monthly discharge cycle for XG9 users: If the XG9 lives on a desk and gets topped off constantly, discharge it below 20% at least once a month before recharging. Constant shallow cycling without a full discharge causes fuel gauge drift on this cell configuration and accelerates capacity fade faster than normal use would.

Audio distorting before the battery indicator reaches empty on the XG9

The XG9 amplifier draws a significant current spike during loud playback. When the cell is aged or degraded, internal resistance rises and voltage sags under that spike — dropping below the amplifier's clean operating threshold before the fuel gauge reads empty. The speaker clips the audio signal because the amp is starved of voltage, not because the battery is truly flat. A fresh cell with lower internal resistance maintains the voltage rail under high-draw conditions, eliminating the distortion before the gauge reaches critical.

XG9 not accepting a charge after sitting unused for several months

Li-ion cells left uncharged for extended periods can self-discharge below the USB-C PD minimum acceptance voltage — typically around 2.5V per cell. When the pack drops that low, the BMS blocks charging as a protection measure and the speaker appears completely dead. To recover it, connect the charger and leave it for 15–20 minutes without interruption — most BMS circuits trickle-charge the cell back above the threshold before allowing full current. If the indicator still shows nothing after 30 minutes of continuous connection, confirm the cable and adaptor are supplying at least 9V DC input.

Compatible Models

XBOOM Go XG9 XG9QBK.ABRALLB XG9QBK.ABRALLK XG9QBK.DEUSLLB XG9QBK.DEUSLLK

Replaces Part Numbers

EAC64790801 IBA007GA

Technical Specifications

Voltage14.8V
Amp Hours6700mAh
Capacity6700mAh
Rate99.16Wh
Net Weight433g /15.27 oz
Gross Weight583g /20.56 oz
Approximate Weight583g /20.56 oz
Dimension 137.00 x 77.00 x 27.60mm

Product Highlights

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

Frequently Asked Questions

My XG9 shows a full charge indicator but the audio starts cutting out after about an hour of use — is this a battery problem?

Yes, this is a known symptom of capacity fade from shallow-cycle degradation. The fuel gauge calibration drifts when the battery is repeatedly topped off before dropping below 50%, so the indicator reads full but the actual usable capacity is significantly lower. The cell can no longer sustain the amplifier's current draw across a full session even though the gauge says otherwise. Replace the pack and run one full discharge cycle down to below 20% before the first recharge to reset the gauge baseline.

The Bluetooth signal drops or stutters specifically when the XG9 is playing at high volume — it's fine at low volume. What's causing this?

At high volume, the amplifier and the Bluetooth radio are both drawing current simultaneously, and the combined spike causes voltage sag on a degraded or weak cell. The radio module is more sensitive to voltage drop than the amp, so it drops the connection first while audio is still technically running. This is a battery output problem, not a Bluetooth antenna or pairing problem. A fresh 14.8V pack with lower internal resistance sustains the voltage rail under the combined draw and eliminates the dropout.

My XG9 feels noticeably warm along the bottom panel during long outdoor sessions — is the battery overheating?

The heat comes from two sources stacking: the amplifier generates heat during sustained high-volume output, and the Li-ion cell generates heat during discharge. In a sealed fabric-wrapped housing with limited airflow, these combine and the bottom panel absorbs both. This is normal within bounds, but if the speaker becomes hot enough to be uncomfortable to touch, pause playback for a few minutes and let the housing cool. A battery that is significantly more degraded than normal runs at higher internal resistance and contributes disproportionately more heat — if warmth has increased noticeably compared to when the speaker was new, the cell is the likely cause and replacement will reduce operating temperature.

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