{"product_id":"victron-battery-balancer-for-24v-48v-battery-banks-nz","title":"Victron Battery Balancer 24V\/48V – BBA000100100 | NZ","description":"\u003cp\u003e\u003cstrong\u003eVictron Battery Balancer BBA000100100\u003c\/strong\u003e equalises the state of charge between two series-connected 12V batteries in a 24V battery bank. It helps reduce midpoint voltage imbalance, uneven charging and the resulting strain on batteries in caravan, motorhome, marine and off-grid power systems.\u003c\/p\u003e\n\u003cp\u003eFor a 24V bank, use one Battery Balancer across the two 12V batteries. For a 48V bank made from four series-connected 12V batteries, use three Battery Balancers. Multiple balancers can also be connected in parallel where additional balancing capacity is required.\u003c\/p\u003e\n\u003ch2\u003eWhy use a Victron Battery Balancer?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHelps series-connected batteries converge towards the same state of charge\u003c\/li\u003e\n\u003cli\u003eSuitable for 24V and 48V series battery-bank configurations\u003c\/li\u003e\n\u003cli\u003eStarts balancing when midpoint deviation exceeds 50mV\u003c\/li\u003e\n\u003cli\u003eProvides up to 0.7A balancing current\u003c\/li\u003e\n\u003cli\u003eLED indicators show power, active balancing and alarm status\u003c\/li\u003e\n\u003cli\u003eNormally-open alarm relay supports remote warning\u003c\/li\u003e\n\u003cli\u003eOver-temperature protection and low standby draw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow the Battery Balancer works\u003c\/h2\u003e\n\u003cp\u003eWhen the total charge voltage of a 24V battery system rises above 27.3V, the balancer compares the voltage of the two 12V battery sections. It draws current from the higher-voltage section so the batteries move towards an equal state of charge. The unit returns to standby when system voltage falls below 26.6V.\u003c\/p\u003e\n\u003ch2\u003eSystem compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24V battery bank:\u003c\/strong\u003e one balancer for two 12V batteries connected in series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48V battery bank:\u003c\/strong\u003e three balancers for four 12V batteries connected in series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries-parallel banks:\u003c\/strong\u003e compatible with multiple parallel strings when wired according to Victron guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBattery chemistry, wiring, cable protection and charging settings must be compatible with the complete battery system. Confirm suitability with the battery manufacturer or installer, particularly for lithium systems.\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eVictron Energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eBBA000100100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput voltage range\u003c\/th\u003e\n\u003ctd\u003eUp to 18V per battery; 36V total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTurn-on voltage\u003c\/th\u003e\n\u003ctd\u003e27.3V ±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTurn-off voltage\u003c\/th\u003e\n\u003ctd\u003e26.6V ±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalancing start threshold\u003c\/th\u003e\n\u003ctd\u003e50mV midpoint deviation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum balancing current\u003c\/th\u003e\n\u003ctd\u003e0.7A when deviation exceeds 100mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlarm trigger\u003c\/th\u003e\n\u003ctd\u003e200mV midpoint deviation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlarm relay\u003c\/th\u003e\n\u003ctd\u003e60V \/ 1A, normally open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection rating\u003c\/th\u003e\n\u003ctd\u003eIP22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-30°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eScrew terminals, 6mm² \/ AWG10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e100 × 113 × 47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eMount the balancer vertically on a well-ventilated surface close to the batteries, but never directly above them where corrosive battery gases may collect. Use correctly sized wiring and DC protection. Installation should be completed or checked by a suitably qualified person.\u003c\/p\u003e\n\u003ch2\u003eVictron Battery Balancer FAQs\u003c\/h2\u003e\n\u003ch3\u003eHow many Battery Balancers do I need for a 24V bank?\u003c\/h3\u003e\n\u003cp\u003eOne balancer is used with two series-connected 12V batteries forming a 24V bank.\u003c\/p\u003e\n\u003ch3\u003eHow many do I need for a 48V bank?\u003c\/h3\u003e\n\u003cp\u003eUse three Battery Balancers across four series-connected 12V batteries.\u003c\/p\u003e\n\u003ch3\u003eCan Battery Balancers be connected in parallel?\u003c\/h3\u003e\n\u003cp\u003eYes. Victron states that several balancers can be paralleled when more balancing capacity is required.\u003c\/p\u003e\n\u003ch3\u003eIs the Battery Balancer waterproof?\u003c\/h3\u003e\n\u003cp\u003eNo. Its enclosure is rated IP22, so it should be installed in a dry, protected and ventilated location.\u003c\/p\u003e\n\u003ch3\u003eWhat does the red alarm light indicate?\u003c\/h3\u003e\n\u003cp\u003eThe red LED and alarm relay activate when midpoint deviation exceeds 200mV. The alarm resets after deviation falls below 140mV or system voltage falls below 26.6V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included:\u003c\/strong\u003e one Victron Battery Balancer. Battery cables, fuses and reset switch are not included unless stated separately.\u003c\/p\u003e","brand":"Lusty \u0026 Blundell","offers":[{"title":"Default Title","offer_id":48575349555385,"sku":"BBA000100100","price":78.21,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9851\/2216\/files\/victron-battery-balancer-24v-48v-bba000100100-nz-accessory-152.webp?v=1786688907","url":"https:\/\/selectcaravans.co.nz\/products\/victron-battery-balancer-for-24v-48v-battery-banks-nz","provider":"Select Caravans Limited","version":"1.0","type":"link"}