December 16, 2009

Crank Amp Ratings for Lithium Batteries

Why are XS Power Lithium Powerpacks for automotive use not rated in cranking amps? The simple answer is because you cannot safely extract energy that fast from any lithium-ion battery on the market today (even if some competitors claim a crank amp rating.)  Sustained high rate discharges from lithium-ion batteries will cause dangerous electrolyte venting and explosive fires. After such an uncontrolled high rate discharge permanent damage is done to the individual cells. This is a characteristic of the Lithium-ion cell’s chemistry and has been confirmed with our in-house Firing Circuits battery tester. Well, will it start my car? Yes! XS […]