Car Jump Starter 4000A, Portable 12V Battery Booster for Gas & Diesel Engines up to 10.0L, with LED Light & USB QC3.0

Good luck with your favorite purchasesHigh-concerned chemical : None Peak Current : 400 A Conversion Rate : 60%~70% Battery Capacity(mAh) : 2000 - 3000 External Testing Certification : None Number Of Built-in Batteries : 2 Brand Name : XMSJ Origin : US(Origin)