{"product_id":"weight-swatter-electronic-scales-li-ion-battery-4v-4-4-8-8ah-diy-sla-cell-fma","title":"Weight Swatter Electronic Scales Li-ion Battery 4V 4.4-8.8AH DIY SLA cell FMA","description":"\u003ch2\u003e\u003cstrong\u003e4V Li-ion Battery 4.4-8.8Ah - Electronic Scales \u0026amp; Swatter DIY Battery Pack\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional-grade 4V (3.6V-4.2V) lithium-ion rechargeable battery available in three capacities: 4.4Ah, 6.6Ah, and 8.8Ah. Designed for electronic scales, electric swatters, and various 4V applications. Features compact size, lightweight design, and superior performance compared to traditional SLA batteries. Perfect for DIY battery pack projects and device replacements.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Capacity Options:\u003c\/strong\u003e 4.4Ah, 6.6Ah, 8.8Ah - choose based on your needs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSLA Replacement:\u003c\/strong\u003e Replaces 4V sealed lead-acid batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18650 Cells:\u003c\/strong\u003e Premium lithium-ion cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e 47mm × 47mm × 100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e 157-200g depending on capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Cycle Life:\u003c\/strong\u003e 500+ charge cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Friendly:\u003c\/strong\u003e Easy to integrate into projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× 4V Li-ion Battery Pack (capacity as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.6V-4.2V (1S configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCapacity Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.4Ah \/ 6.6Ah \/ 8.8Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLi-ion (Lithium-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18650 Cylindrical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e47mm × 47mm × 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight (4.4Ah)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~157g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight (6.6Ah)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~178g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight (8.8Ah)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~200g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDischarge Cut-off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.75V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e500+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eReplaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4V SLA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCapacity Comparison\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCapacity\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWeight\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRuntime\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e4.4Ah\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~157g\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLight use, compact devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e6.6Ah\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~178g\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e50% longer\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRegular use, balanced option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e8.8Ah\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~200g\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2x longer\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHeavy use, maximum runtime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Scales:\u003c\/strong\u003e Digital weight scales and weighing equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Swatters:\u003c\/strong\u003e Rechargeable electric fly\/mosquito swatters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Devices:\u003c\/strong\u003e 4V portable electronic devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Projects:\u003c\/strong\u003e Custom battery pack projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSLA Replacement:\u003c\/strong\u003e Replace 4V sealed lead-acid batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Power:\u003c\/strong\u003e Small 4V backup applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhy Choose Li-ion Over SLA?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e1. Lightweight Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMuch lighter than equivalent SLA batteries\u003c\/li\u003e\n\u003cli\u003ePerfect for portable devices like swatters\u003c\/li\u003e\n\u003cli\u003eEasier to handle and install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e2. Longer Runtime:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigher usable capacity than SLA\u003c\/li\u003e\n\u003cli\u003eStable voltage throughout discharge\u003c\/li\u003e\n\u003cli\u003eBetter performance for electronic scales\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e3. Longer Lifespan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e500+ cycles vs 200-300 for SLA\u003c\/li\u003e\n\u003cli\u003eLasts 2-3 times longer\u003c\/li\u003e\n\u003cli\u003eBetter long-term value\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e4. Faster Charging:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCharges in 2-4 hours\u003c\/li\u003e\n\u003cli\u003eMuch faster than SLA batteries\u003c\/li\u003e\n\u003cli\u003eLess downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e5. Maintenance-Free:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo maintenance required\u003c\/li\u003e\n\u003cli\u003eNo leakage or corrosion\u003c\/li\u003e\n\u003cli\u003eSafe for indoor use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCharging Information\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Chargers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse 4.2V Li-ion charger (recommended)\u003c\/li\u003e\n\u003cli\u003e5V charger can also be used (slower charging)\u003c\/li\u003e\n\u003cli\u003eDo NOT use standard 6V or higher chargers\u003c\/li\u003e\n\u003cli\u003eCharging time: 2-4 hours depending on capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCharging Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCharge at room temperature (10-40°C)\u003c\/li\u003e\n\u003cli\u003eDo not overcharge (use proper Li-ion charger)\u003c\/li\u003e\n\u003cli\u003eUnplug when fully charged\u003c\/li\u003e\n\u003cli\u003eStore at 40-60% charge for long-term storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSafety Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCharging:\u003c\/strong\u003e Use only 4.2V Li-ion chargers or 5V chargers. Do not use higher voltage chargers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store at 40-60% charge in cool, dry place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperation:\u003c\/strong\u003e Do not short-circuit, puncture, crush, or disassemble the battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Charge: 0-45°C, Discharge: -20-60°C, Storage: -20-35°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisposal:\u003c\/strong\u003e Dispose according to local regulations. Recycle lithium-ion batteries properly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIY Use:\u003c\/strong\u003e Ensure proper connections and polarity when integrating into projects.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Transportation Notice\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Material:\u003c\/strong\u003e This product contains lithium batteries and is classified as dangerous goods for shipping purposes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir Transport Restrictions:\u003c\/strong\u003e Due to international air transport regulations, battery shipments may be subject to additional restrictions and longer transit times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging Compliance:\u003c\/strong\u003e All shipments comply with UN3480 or UN3481 packaging requirements for lithium batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Battery-containing parcels may experience extended delivery times due to stricter customs inspections and carrier handling procedures.\u003c\/p\u003e","brand":"fmabattery","offers":[{"title":"4.4AH","offer_id":46445434962109,"sku":"FL4400-040VFA","price":18.95,"currency_code":"USD","in_stock":true},{"title":"6.6AH","offer_id":46445434994877,"sku":"FL6600-040VFA","price":23.67,"currency_code":"USD","in_stock":true},{"title":"8.8AH","offer_id":46445435027645,"sku":"FL8800-040VFA","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/10_2e06c208-65fb-493d-8f2f-2208fd4c3797.jpg?v=1772444030","url":"https:\/\/fmabattery.com\/products\/weight-swatter-electronic-scales-li-ion-battery-4v-4-4-8-8ah-diy-sla-cell-fma","provider":"fmabattery","version":"1.0","type":"link"}