{"product_id":"hexcell-reserve-stack-3-5-kwh-modular-battery","title":"Hexcell Reserve Stack 3.5 kWh Modular Battery","description":"\u003cp\u003eA home battery does one simple thing very well: it moves cheap electricity to expensive hours. On a time of use tariff that alone usually pays for the unit, and if you have solar it also stops the summer surplus being sold back for a fraction of what you buy it for.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLithium iron phosphate cells, which run cooler, last longer and are far harder to set alight than the nickel chemistries\u003c\/li\u003e\n\u003cli\u003eUsable capacity from 3.5 kWh, expandable by adding modules on the same bus\u003c\/li\u003e\n\u003cli\u003e6000 cycle design life at 90 percent depth of discharge, with 80 percent capacity retained at end of warranty\u003c\/li\u003e\n\u003cli\u003eIntegrated battery management with cell level balancing, temperature control and a hard isolation contactor\u003c\/li\u003e\n\u003cli\u003eCharges from grid, solar or a bidirectional car, and discharges to the house automatically\u003c\/li\u003e\n\u003cli\u003eGrid tied operation with export control to match your DNO permission\u003c\/li\u003e\n\u003cli\u003eApp reporting for state of charge, throughput, savings and tariff performance\u003c\/li\u003e\n\u003cli\u003eIP21 indoor rated for garage, utility or plant room\u003c\/li\u003e\n\u003cli\u003eTen year warranty on the battery, five on the electronics\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSizing honestly: most British households on an off peak tariff get the best return from 5 to 10 kWh. Going bigger only pays if you have a heat pump, a genuinely large solar array or an EV you charge at home most nights. Send us a year of half hourly data from your smart meter and we will size it properly rather than selling you the biggest box.\u003c\/p\u003e","brand":"Hexcell Power","offers":[{"title":"3.5 kWh","offer_id":54827103093073,"sku":"VB-BAT-003-35kWh","price":1199.0,"currency_code":"GBP","in_stock":true},{"title":"7 kWh","offer_id":54827103125841,"sku":"VB-BAT-003-7kWh","price":2249.0,"currency_code":"GBP","in_stock":true},{"title":"10.5 kWh","offer_id":54827103158609,"sku":"VB-BAT-003-105kWh","price":3249.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1079\/3661\/2689\/files\/Hexcell_Reserve_Stack_3.5_kWh_Modular_Battery.jpg?v=1788868561","url":"https:\/\/volt-bolt.com\/products\/hexcell-reserve-stack-3-5-kwh-modular-battery","provider":"Volt and Bolt","version":"1.0","type":"link"}