Top QualityFree Shipping30 Day Money Back Guarantee1 Year Warranty 4 Pack - 6V 4.5Ah SLA Batteries 6V 4.5Ah VRLA, AGM Battery ​​​​​​​Manufactured with the highest qualityUL and CE Certified ISO 14001:2015, ISO 18001:2004, ISO 19001:2015 LxWxH: 2.76'' x 1.89'' x 3.94''Terminal: F1 terminals (0.187'' wide)Height with terminals: 3.94''​​​​​​​ Maintenance Free:This battery is manufactured with thick absorbent glass mat (AGM) separators and advanced valve regulated technology which are no spills, no leaks, and no need to check the water.  Long Shelf Life:These Valve Regulated Lead Acid (VRLA) batteries can be stored up to 6 months at 25°C and the monthly self-discharge rate is lower than 3%. This spec is 5 times better than flooded batteries. High Discharge Rate:Premium quality with low internal resistance and is able to discharge up to 10 times the battery rated capacity. ​​​​​​​Recommend Charger ​​​​​​​FAQs: How to prolong the batteries?For the first use of the battery, we recommend a full discharge. Every use following, we would recommend a 50% discharge to prolong the life span of the battery.  What charger should I use to charge the battery?We recommend using a charger that is rated below 20% (max.) of the battery's rated capacity. i.e. 6V 1A (max) charger. Other Items You Might Be Interested In(Click for more information)AGM BatteriesDeep Cycle BatteriesGel BatteriesLiFePo4 BatteriesAccessoriesSolar PanelsSee our other itemsPaymentShippingReturnsContact UsPaymentShippingReturnsContact Us We accept the following payment methods: PayPal, Visa, Master card, American Express. ​​​​​​​ We accept credit card payment for US orders only.  We do not accept non-US credit cards. For international orders, we accept orders through eBay's managed payment service. We ship directly from our warehouse in Paramount, California ​​​​​​​ ​​​​​​​Once payment is cleared, orders will be shipped the same business day if placed before 8:00 AM PST Monday - Friday. Otherwise, it will be shipped the following working business day.  IMPORTANT DELIVERY INFORMATION: “Estimated delivery dates include seller's handling time, and will depend on shipping  service selected and receipt of cleared payment. Delivery times may vary, during peak periods.” If additional postage is due upon receipt, please contact us prior to rejecting the package or payment of the package. We will not be responsible for the cost difference if payment is made prior to contacting us. ​​​​​​​ All of our items come with a one year warranty We provide a 30 day money back guarantee on defective items. Restocking fees and other fees may apply upon the condition of the returned item. The warranty does not cover damage caused by accident, abuse, neglect, modification, alteration, misuse, repair, or physical damages. All NON-SELLER mistake's / returns are subject to a minimum of 20% restocking fee and the buyer is responsible for all return shipping expenses.  ​​​​​​​ Items that have been forwarded outside of the U.S will not be covered by our warranty Our office hours are Monday-Friday, 10:00AM to 5:00PM (PST). We are more than happy to help you check product compatibility, answer any question regarding our policy,  products, prices, shipping and handling  fees, returns and item details. Please contact us by clicking our eBay ID "EXPERTBATTERY", then “Contact Member”. You can also reach us over the phone at 1(562) 630-3001Part Number: Q04BLHFM6_4.5-1 4 Pack - 6V 4.5Ah SLA Batteries 6V 4.5Ah VRLA, AGM Battery LxWxH: 2.76'' x 1.89'' x 3.94''Terminal: F1 terminals (0.187'' wide)Height with terminals: 3.94''​​​​​​​ ​​​​​​​Manufactured with the highest qualityUL and CE Certified ISO 14001:2015, ISO 18001:2004, ISO 19001:2015 Maintenance Free:This battery is manufactured with thick absorbent glass mat (AGM) separators and advanced valve regulated technology which are no spills, no leaks, and no need to check the water.  Long Shelf Life:These Valve Regulated Lead Acid (VRLA) batteries can be stored up to 6 months at 25°C and the monthly self-discharge rate is lower than 3%. This spec is 5 times better than flooded batteries. High Discharge Rate:Premium quality with low internal resistance and is able to discharge up to 10 times the battery rated capacity. ​​​​​​​ ​​​​​​​FAQs: How to prolong the batteries?For the first use of the battery, we recommend a full discharge. Every use following, we would recommend a 50% discharge to prolong the life span of the battery.  What charger should I use to charge the battery?We recommend using a charger that is rated below 20% (max.) of the battery's rated capacity. i.e. 6V 1A (max) charger. Recommend ChargerOther Items You Might Be Interested In(Click for more information)AGM BatteriesDeep Cycle BatteriesGel BatteriesAccessoriesLiFePo4 BatteriesSolar PanelsPayment We accept the following payment methods: PayPal, Visa, Master card, American Express. ​​​​​​​ We accept credit card payment for US orders only.  We do not accept non-US credit cards. For international orders, we accept orders through eBay's managed payment service.Shipping We ship directly from our warehouse in Paramount, California ​​​​​​​ ​​​​​​​Once payment is cleared, orders will be shipped the same business day if placed before 8:00 AM PST Monday - Friday. Otherwise, it will be shipped the following working business day.  IMPORTANT DELIVERY INFORMATION: “Estimated delivery dates include seller's handling time, and will depend on shipping  service selected and receipt of cleared payment. Delivery times may vary, during peak periods.” If additional postage is due upon receipt, please contact us prior to rejecting the package or payment of the package. We will not be responsible for the cost difference if payment is made prior to contacting us. ​​​​​​​Returns All of our items come with a one year warranty We provide a 30 day money back guarantee on defective items. Restocking fees and other fees may apply upon the condition of the returned item. The warranty does not cover damage caused by accident, abuse, neglect, modification, alteration, misuse, repair, or physical damages. All NON-SELLER mistake's / returns are subject to a minimum of 20% restocking fee and the buyer is responsible for all return shipping expenses.  ​​​​​​​ Items that have been forwarded outside of the U.S will not be covered by our warranty Contact Us Our office hours are Monday-Friday, 10:00AM to 5:00PM (PST). We are more than happy to help you check product compatibility, answer any question regarding our policy,  products, prices, shipping and handling  fees, returns and item details. Please contact us by clicking our eBay ID "EXPERTBATTERY", then “Contact Member”. You can also reach us over the phone at 1(562) 630-3001See our other items Part Number: Q04BLHFM6_4.5-1