Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The XS Power D3400 is a high-output AGM car battery built for audio systems, winches and other heavy electrical loads. It is rated at 1150 cold cranking amps and 80 Ah, well above typical stock batteries, and its absorbed glass mat design resists vibration and spills. It suits car audio competitors and off-roaders who need steady power for big amplifiers or accessories. The trade-offs are its roughly 17-pound weight and the fact that it is a dedicated performance battery rather than a low-cost replacement for a daily driver.
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Lowest price we've seen: $429.12 on Nov 9 at The Twister Group. Tracked across 2 stores since Nov 9.
Owners of the D3400 mostly praise its cranking power and ability to run large audio systems without voltage drop. Some note it is heavy and demands a proper AGM charger, and a few report shorter life when deeply drained repeatedly.
