VRLA (Valve Regulated Lead Acid) means a battery that's perfect for people who have better things to do than battery maintenance! Our permanently sealed VRLA battery never needs refilling. however, it still needs periodic charging. Ideal for motorcycles, scooters, ATVs.Spill-proof design means virtually no possibility of leaks Advanced lead-calcium technology pumps up starting power Sulphation retardant dramatically reduces battery-killing plate sulphation Long lasting which means Yuas's Maintenance Free batteries will last up to three times longer than conventional batteries Exceptional resistance to vibration makes Yuasa the most reliable battery on the market today And, VRLA batteries hold voltage longer and need less charging in standby or storage modePotrzebujesz pomocy? Masz pytania?Zadaj pytanie a my odpowiemy niezwłocznie, najciekawsze pytania i odpowiedzi publikując dla innych.