UPLUS LP12-5 12 Volt 5Ah Rechargeable AGM Battery, DJW12-4.5 SLA Battery Replacement Batteries Backup for LiftMaster/Craftsman 4228 Garage Door.

LONGEVITY OVER 5 YEARS -- Low self-discharge. Up to 600 charging and discharging cycles. High Capacity and efficiency low internal resistance for high discharge current. ADVANCED TECHNOLOGY -- Top-Quality materials and careful processing. With 99,9% above-average high purity level and corrosion resistant micro crystal structure. AGM processing technology, Maintenance-free, Leak proof. EASY TO INSTALL -- The 12V 5Ah battery is configured with standard F1 Terminal. Accumulators in general are fully-charged on delivery. WIDE RANGE OF APPLICATIONS -- Access control, Rolling gate, Emergency light, Home alarm equipment, Elevator backup power supply, Electric toy carportable, Firefighting equipment, Emergency power UPS-Equipments, Rehab, Small starter batteries and more. LOCAL AFTER-SALES SUPPORT -- 15 Month Warranty - 60 day refund window. Uplus Battery has a fixed office and warehouse in California, and the local after-sales team responds within 12 hours.