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XS Power D3478 12V AGM Battery/PowerCell D3400 + 551 Terminals Group 78/34

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Original price $429.98
Original price $429.98 - Original price $429.98
Original price $429.98
Current price $343.98
$343.98 - $343.98
Current price $343.98

XS Power D3478


The powerhouse D3400 is the perfect option whether you're looking for an upgrade to your factory battery, or adding a secondary battery for any aftermarket accessories! This package includes the XS Power 551 terminals, making this combo kit perfect for BCI group 34 applications, or BCI Group 78 options. The included 551 terminals allow the adaptation of the top posts to conveniently and easily conform to side post mounting. Some popular vehicles that use the Group 78 size include the 2000-2006 Chevy Tahoe/Suburban, GMC Yukon/Denali of the same years, the Chevy Impala, and many many more GM vehicles! Curious on Fitment? Use our chat to ask if it will fit!


Weight – 49.97 lbs (22.67 kg)
Cranking Amps – 1150A
Reserve Capacity 
– 160min.
– 80
Wattage Rating (Primary Battery) - 2500W
Wattage Rating (Secondary Battery) - 4000W

 – 10.24 in
Height – 7.16 in
Width – 6.89 in

BCI Group Size 34 and BCI Group Size 78 (With included terminals)

Included Accessories:
-XS-551 Mult-Side Post Adapters
-M6 Terminal Hardware 

3 Year Warranty

Recommended Accessories:

XS Power HF1215 Intellecharger


PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.