Best for Battery life (if portable)
JBL Bar 1300X Soundbar
4.1 feature score
Highest scored product for this feature based on supporting review evidence.
Best Sound Bars for Battery life (if portable)
Battery life (if portable) Decision Dashboard
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The detachable rears are typically quoted at about 10 to 12 hours per charge, but several reviewers note the need to remember recharging them.
Pros: Loudness / maximum volume, Detail retrieval
Cons: HDMI 2.1 gaming, Cabinet construction / bracing