Interstate Batteries SP-35R

Marsoni

M251S

$64.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Interstate Batteries SP-35RGroup Size U1R 300 Cold Cranking Amps (CCA) 300 Cold Cranking Amps (CCA) 34 Reserve Capacity (RC)@25 Amps 6 Month Warranty Flat top, sealed maintenance free 6 Month Warranty Free Replacement Warranty Specifications Part NumberSP 35R Group SizeU1R Cold Cranking Amps (CCA)300 Cranking Amps (CA)375 Reserve Capacity (RC)34 minutes Amp Hours (Ah)N A Length7 3 4 inches Width5 3 16 inches Height7 1 4 inches Termination CodeTOP Voltage12 Wet DryW

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Great product is you want to mount any size laptop under your desk. I used it for my Alienware gaming laptop and it's fantastic! The three points of contact hold the laptop securely, while allowing maximum airflow for the fans. The three "clamps" are rock solid and will definitely outlive the laptop. The installation was simple and easy, just need a drill.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 15, 2026

Verified Purchase

David H.

Natrona Heights, US

★★★★★ 5

under desk laptop system

Color: Black, Size: 1.37" without hook

Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 25, 2026