{"product_id":"energizer-390-389-watch-battery","title":"Energizer 390-389 Watch Battery","description":"\u003cp\u003eKeep your precision instruments running smoothly with the Energizer 390-389 Watch Battery. This high-performance silver-oxide cell is a \"multi-drain\" battery, meaning it is engineered to provide reliable power for both high-drain devices (like digital watches with backlights and alarms) and low-drain devices (like classic analog watches).\u003c\/p\u003e\n\u003cp\u003eWith its stable 1.55V output, this battery ensures consistent accuracy for timepieces, medical devices, and calculators. Like other Energizer specialty cells, it is designed with zero mercury and features a leak-resistant construction to protect your expensive electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Drain Performance:\u003c\/strong\u003e Optimized to handle the high energy pulses needed for digital displays while maintaining the steady, long-term power required by analog movements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable 1.55V Output:\u003c\/strong\u003e Delivers a flat operating voltage, which is crucial for the precision of quartz watches and medical monitors like glucose meters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Shelf Life: \u003c\/strong\u003eHolds its power for up to 5–7 years in storage (depending on environmental conditions), ensuring you have a fresh backup when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Resistant Design:\u003c\/strong\u003e Engineered to prevent internal leakage that can corrode and damage delicate electronic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercury-Free Formula: \u003c\/strong\u003eResponsibly designed with 0% mercury, making it a safer choice for both your home and the environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications at a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 1.55 VChemistry: Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e ~88–90 mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e11.6 mm (Diameter) x 3.1 mm (Height)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Applications: \u003c\/strong\u003eWatches, calculators, medical devices, and small electronic toys.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAlso Known As\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 390-389 is a highly compatible size and is frequently cross-referenced with the following names:SR1130W, SR1130SW, SR54, AG10, G10, V389, V390, D389, D390, 603, 189, and LR54 (Alkaline equivalent).\u003c\/p\u003e","brand":"Energizer","offers":[{"title":"Default Title","offer_id":45711676145837,"sku":null,"price":49.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0077\/3037\/files\/Energizer390-389WatchBattery.jpg?v=1770133865","url":"https:\/\/www.jayh.co.za\/products\/energizer-390-389-watch-battery","provider":"Jay Hanoomaun \u0026 Associates CC","version":"1.0","type":"link"}