Improved performance from your vehicle All batteries go through a rigorous quality control process Advantages of these lithium-ion batteries: Less volume and weight - 1/3 of normal lead-acid battery Quick recharge with big current - rechargeable with 10C current and 90% recharged within 6 minutes Excellent cycle life - more than 2000 cycles under JISD standard (lead-acid battery only 150-300 cycles) No spill - no acid inside, no leak problems Does not contain any acid and heavy metals such as lead, cadmium, or mercury. BATTERY HUTZ5S-FP