{"product_id":"whisperpower-agm-aku-12-v-260-ah-40290064","title":"WhisperPower AGM battery 12 V – 260 Ah – 40290064","description":"\u003cp\u003eThe WhisperPower \u003cb\u003eAGM Battery 12 V – 260 Ah\u003c\/b\u003e is the most economical, maintenance-free battery designed for long life. WhisperPower 12 V – 260 Ah AGM batteries are based on VRLA technology (Valve Regulated Lead Acid), meaning they require little ventilation, do not have to be positioned upright and do not require any maintenance.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eWhisperPower\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eArticle number\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e40290064\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eLength x width x height\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e520 x 268 x 220 mm (20.5\" x 10.6\" x 8.7\" inch)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWeight ± 10%\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e74.0 kg (163.1 lb.)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eNominal capacity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e260 Ah\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eC10* or C20\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eC10\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eNominal voltage\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e12,0 VDC\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eTerminal type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eM8 rvs\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eNumber of cells\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e6\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eCharge \/ discharge parameters\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConstant charge voltage (IU, float)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e13.60 .. 13.80 VDC at 25oC\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCyclic charge voltage (IUU, absorption)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e14.25 .. 14.60 VDC at 25oC\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaximum recommended charge current (higher possible)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e40 to 50% of nominal capacity\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eTemperature ratio\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e-4mv\/cel\/°C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDischarge voltage\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.75 VDC @ (A) ≤ 0.2°C • 1.70 VDC @ 0.2°C (A) ≤ 1.0°C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFull discharge (100% DOD)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.65 VDC @ (A) ≥ 1.0°C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eNominal capacity at 25°c\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eNominal 25°C\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eUP TO 1.80 VDC\/CEL\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003e20 hours discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e278.0 Ah\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003e10 hours discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e260.0 Ah\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003e5 hours discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e220.0 Ah\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePeukeurt Coefficient\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.21\u0026lt;P\u0026lt;1.24\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eUsage at 25 A discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e630 min\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSelf discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eLess than 3% per month at 25°C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eStorage time\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eAGM batteries can be stored for up to 6 months at 25°C, recommended to charge before use\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eBattery parameters\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInrush current at 25°C (5s)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2600 A\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCyclic life at 80% discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e400\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInternal resistance (approx.)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e3,5m Ω\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eDocuments:\u003c\/strong\u003e \u003ca href=\"https:\/\/whisperpower-site.s3.eu-west-3.amazonaws.com\/downloads\/Datasheets\/EN\/Datasheet_AGM_Batteries.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eNeed help choosing the right solution or with installation? Write to us – we are happy to help.\u003c\/p\u003e","brand":"WhisperPower","offers":[{"title":"Default Title","offer_id":59664899408220,"sku":"WP40290064","price":861.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/1599\/2412\/files\/40290064-front1.jpg?v=1793136504","url":"https:\/\/www.boatparts.ee\/en\/products\/whisperpower-agm-battery-12-v-260-ah-40290064","provider":"Boat Parts Baltic","version":"1.0","type":"link"}