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Main image of Battery for TV Speakers SM-621D, Work with Non-USB-C Speakers Only Only Compatible with SM-621 & SM-621D Speakers with Barrel Power Jack, Do Not Work for USB-C Ported Speakers

Alt view image 2 of 4 - Battery for TV Speakers SM-621D, Work with Non-USB-C Speakers Only Only Compatible with SM-621 & SM-621D Speakers with Barrel Power Jack, Do Not Work for USB-C Ported Speakers

Alt view image 3 of 4 - Battery for TV Speakers SM-621D, Work with Non-USB-C Speakers Only Only Compatible with SM-621 & SM-621D Speakers with Barrel Power Jack, Do Not Work for USB-C Ported Speakers

Alt view image 4 of 4 - Battery for TV Speakers SM-621D, Work with Non-USB-C Speakers Only Only Compatible with SM-621 & SM-621D Speakers with Barrel Power Jack, Do Not Work for USB-C Ported Speakers

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Battery for TV Speakers SM-621D, Work with Non-USB-C Speakers Only Only Compatible with SM-621 & SM-621D Speakers with Barrel Power Jack, Do Not Work for USB-C Ported Speakers

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Compatibility: can only be used and work for Non-USB C ported speakers. If your speaker's power jack is a barrel one, this battery is the right one for you. This battery does not work with any speaker that has a USB C power/charging port. Voltage: 7.4V Current: 1000mAh. UPGRADED BATTERY: The upgraded battery contains protection circuits and microcontrollers limiting the charge to the battery, preventing the battery from overcharging and overdischarging. Metal casing is added to avoid deforming

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Compatibility: can only be used and work for Non-USB C ported speakers. If your speaker's power jack is a barrel one, this battery is the right one for you. This battery does not work with any speaker that has a USB C power/charging port.
Voltage: 7.4V
Current: 1000mAh.
UPGRADED BATTERY: The upgraded battery contains protection circuits and microcontrollers limiting the charge to the battery, preventing the battery from overcharging and overdischarging. Metal casing is added to avoid deforming

Additional Information
First Listed on Newegg	October 03, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Vast Sun Tech Return Policy

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Item#: 9SIC94UM7V8718