{"title":"Complete Power Systems","description":"\u003cp\u003eMatched systems that arrive ready to fit. Each one pairs a power station with the solar or alternator charging it actually needs, priced below the sum of its parts, with runtimes listed against real van loads.\u003c\/p\u003e\u003ch2\u003eHow to choose\u003c\/h2\u003e\u003cp\u003eThree questions decide it, and capacity is only one of them.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow much do you draw a day?\u003c\/strong\u003e A weekend build with a fridge, lights and device charging runs 400 to 600Wh. A full time build with a diesel heater and a laptop runs about 850Wh. A gas free build cooking on induction runs well past 2kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow often do you drive?\u003c\/strong\u003e This matters more than people expect. If you move the van weekly, alternator charging refills the system faster and more cheaply than a second battery, and adds a fraction of the weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen are you out?\u003c\/strong\u003e From April to September solar covers most builds. From November to February a UK roof produces very little, so winter capability comes from the alternator, not the panel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe systems\u003c\/h2\u003e\u003cp\u003eThe ladder runs from a £378 compact kit for lighting and devices up to an 8,294.4Wh off grid system for large vehicles and mobile businesses. Every listing states the runtime by appliance, the recharge time by source, and the saving against buying the components separately.\u003c\/p\u003e\u003cp\u003eNot sure which fits your build? Tell us the vehicle, the appliances and how often you drive, and we will size it for you.\u003c\/p\u003e","products":[{"product_id":"bluetti-apex-300-b300k2-5-529-6wh-van-power-system","title":"Bluetti Apex 300 + B300K2 | 5,529.6Wh Van Power System","description":"\u003cp\u003e\u003cstrong\u003e5,529.6Wh of automotive grade LiFePO4 behind a 3,840W inverter.\u003c\/strong\u003e The complete electrical system for a full time conversion, sized to run an induction hob, a 2,000W kettle and a rooftop air conditioner without derating, and to hold a week of normal use in reserve.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5,529.6Wh capacity\u003c\/strong\u003e, scalable to 58kWh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,840W rated output\u003c\/strong\u003e, 12kW bypass for heavy loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond generation automotive grade LiFePO4\u003c\/strong\u003e, 4,000+ cycles, 17 year design life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,000W maximum solar input\u003c\/strong\u003e, beyond the capacity of any van roof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20ms UPS switchover\u003c\/strong\u003e, transparent to laptops, routers and medical equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth and WiFi app control\u003c\/strong\u003e with real time consumption monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRecharging\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003cth\u003eFull charge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternator via Charger 2\u003c\/td\u003e\n\u003ctd\u003e1,200W\u003c\/td\u003e\n\u003ctd\u003e4.6 hours driving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternator via Charger 1\u003c\/td\u003e\n\u003ctd\u003e560W\u003c\/td\u003e\n\u003ctd\u003e9.9 hours driving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV350 solar panel\u003c\/td\u003e\n\u003ctd\u003e350W peak\u003c\/td\u003e\n\u003ctd\u003e3 to 4 summer days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e230V hookup\u003c\/td\u003e\n\u003ctd\u003e2,400W\u003c\/td\u003e\n\u003ctd\u003e2.3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eBuying both together saves 400 pounds against the individual prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Roam Wired Shop","offers":[{"title":"Default Title","offer_id":51326033461415,"sku":"RW-BDL-APEX300-B300K2","price":2898.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/Apex_300_B300K-menu.png?v=1789072184"},{"product_id":"bluetti-apex-300-charger-2-alternator-charging-system","title":"Bluetti Apex 300 + Charger 2 | Alternator Charging System","description":"\u003cp\u003e\u003cstrong\u003e2,764.8Wh of storage and 1,200W of alternator charging.\u003c\/strong\u003e The configuration that keeps a conversion running year round in the UK, where solar alone cannot. Drive for 45 minutes and you have replaced a full day of consumption.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,764.8Wh capacity\u003c\/strong\u003e, scalable to 58kWh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,840W rated output\u003c\/strong\u003e, 12kW bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200W combined alternator and solar charging\u003c\/strong\u003e, simultaneously, driving or parked\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V and 24V vehicle compatibility\u003c\/strong\u003e, Transit, Sprinter, Ducato, Crafter\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20ms UPS switchover\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull app control\u003c\/strong\u003e of both units over Bluetooth and WiFi\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy alternator charging changes the maths\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCharging source\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eDriving time to replace one day of use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCigarette lighter socket\u003c\/td\u003e\n\u003ctd\u003e120W\u003c\/td\u003e\n\u003ctd\u003e7 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger 1\u003c\/td\u003e\n\u003ctd\u003e560W\u003c\/td\u003e\n\u003ctd\u003e1.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,200W\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e45 minutes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eBased on a full time daily draw of 850Wh. A two hour motorway leg returns roughly 2,400Wh, which is close to a complete recharge of the Apex 300.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eThe Charger 2 connects to the starter battery with heavy gauge cable, fused at both ends and sized for the run length. Most auto electricians fit one in under two hours. We can size the cable and fusing for your specific vehicle before you order, just ask.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSaves 149 pounds against buying the two separately.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Roam Wired Shop","offers":[{"title":"Default Title","offer_id":51326033789095,"sku":"RW-BDL-APEX300-CHG2","price":2299.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/Charger_2_apex300_CABLE.png?v=1789072184"},{"product_id":"bluetti-apex-300-2-x-b300k2-8-294-4wh-off-grid-system","title":"Bluetti Apex 300 + 2 x B300K2 | 8,294.4Wh Off Grid System","description":"\u003cp\u003e\u003cstrong\u003e8,294.4Wh across three units, 3,840W continuous, 12kW bypass.\u003c\/strong\u003e A residential scale off grid system built for large vehicles and mobile businesses. Ten days of normal conversion use, or four days running air conditioning and a full electric kitchen.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8,294.4Wh capacity\u003c\/strong\u003e, scalable to 58kWh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,840W rated output\u003c\/strong\u003e, 12kW bypass powers HVAC and heavy tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond generation automotive grade LiFePO4\u003c\/strong\u003e, 4,000+ cycles\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3,000W maximum solar input\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20ms UPS switchover\u003c\/strong\u003e for workshop equipment and servers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra low self consumption\u003c\/strong\u003e, 2 to 3 times more efficient than comparable systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHorsebox, box body and coach conversions\u003c\/li\u003e\n\u003cli\u003eMobile workshops, coffee vans and businesses run from the vehicle\u003c\/li\u003e\n\u003cli\u003eGas free builds doing all cooking, hot water and heating electrically\u003c\/li\u003e\n\u003cli\u003eLong static stays with no hookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRecharging\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003cth\u003eFull charge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternator via Charger 2\u003c\/td\u003e\n\u003ctd\u003e1,200W\u003c\/td\u003e\n\u003ctd\u003e6.9 hours driving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e230V hookup\u003c\/td\u003e\n\u003ctd\u003e2,400W\u003c\/td\u003e\n\u003ctd\u003e3.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolar array, 1,000W\u003c\/td\u003e\n\u003ctd\u003e1,000W peak\u003c\/td\u003e\n\u003ctd\u003e2 summer days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003ePayload note\u003c\/h3\u003e\u003cp\u003eThree units of this size is a substantial load. Confirm your vehicle's remaining payload before ordering. We can advise on weight distribution and mounting for your chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSaves 600 pounds against the individual prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Roam Wired Shop","offers":[{"title":"Default Title","offer_id":51326033821863,"sku":"RW-BDL-APEX300-2XB300K2","price":4097.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/Apex_300_2_B300K.png?v=1789072181"},{"product_id":"bluetti-apex-300-pv350-solar-charging-system","title":"Bluetti Apex 300 + PV350 | Solar Charging System","description":"\u003cp\u003e\u003cstrong\u003e2,764.8Wh of storage paired with 350W of high efficiency solar.\u003c\/strong\u003e A self sufficient system for spring through autumn, generating more than a working conversion consumes on any reasonable day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,764.8Wh capacity\u003c\/strong\u003e, scalable to 58kWh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,840W rated output\u003c\/strong\u003e, 12kW bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350W monocrystalline panel\u003c\/strong\u003e, 23.4% cell efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,000W maximum solar input\u003c\/strong\u003e, room for three more panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoldable and portable\u003c\/strong\u003e, no roof penetrations, angle it to the sun for peak yield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20ms UPS switchover\u003c\/strong\u003e and full app monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical UK generation\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003eDaily yield\u003c\/th\u003e\n\u003cth\u003eCovers a full time day?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, clear, angled\u003c\/td\u003e\n\u003ctd\u003e1,400 to 1,750Wh\u003c\/td\u003e\n\u003ctd\u003eYes, with surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, overcast\u003c\/td\u003e\n\u003ctd\u003e400 to 600Wh\u003c\/td\u003e\n\u003ctd\u003eMost of it\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApril and September, clear\u003c\/td\u003e\n\u003ctd\u003e900 to 1,200Wh\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecember, clear\u003c\/td\u003e\n\u003ctd\u003e250 to 400Wh\u003c\/td\u003e\n\u003ctd\u003ePartial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eReference full time draw is 850Wh a day: fridge, diesel heater, lighting, laptop, phones and water pump. From March to October this pairing runs indefinitely without a hookup. For year round use, add a Charger 1 or Charger 2 for alternator charging through the winter months.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSaves 300 pounds against the individual prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Roam Wired Shop","offers":[{"title":"Default Title","offer_id":51326033854631,"sku":"RW-BDL-APEX300-PV350","price":2198.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/Apex_300_PV350W_1000x1000_ccb2c3ca-f950-43d5-b6da-33d01e7f964e.png?v=1789072181"},{"product_id":"bluetti-ac180p-pv200-weekend-solar-system","title":"Bluetti AC180P + PV200 | Weekend Solar System","description":"\u003cp\u003e\u003cstrong\u003e1,440Wh and 200W of solar.\u003c\/strong\u003e The complete electrical system for a weekend and holiday conversion, sized to run a compressor fridge, lighting and device charging indefinitely from April to September.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1,440Wh LiFePO4 capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,800W rated output\u003c\/strong\u003e, 2,700W power lifting for kettles and hobs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 output ports\u003c\/strong\u003e, AC, USB-C PD, USB-A and regulated 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200W monocrystalline panel\u003c\/strong\u003e, 23.4% cell efficiency, ETFE coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0 to 80% in 45 minutes\u003c\/strong\u003e from a 1,440W AC input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour charging routes\u003c\/strong\u003e, mains, solar, vehicle and generator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical UK generation\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003eDaily yield\u003c\/th\u003e\n\u003cth\u003eCovers a weekend day?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, clear, angled\u003c\/td\u003e\n\u003ctd\u003e800 to 1,000Wh\u003c\/td\u003e\n\u003ctd\u003eYes, with surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, overcast\u003c\/td\u003e\n\u003ctd\u003e230 to 350Wh\u003c\/td\u003e\n\u003ctd\u003ePartial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApril and September, clear\u003c\/td\u003e\n\u003ctd\u003e500 to 700Wh\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eA weekend conversion running a fridge, lights and device charging draws 400 to 600Wh a day. This system generates more than that on any clear day from spring to autumn.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSaves 100 pounds against the individual prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Roam Wired Shop","offers":[{"title":"Default Title","offer_id":51326033920167,"sku":"RW-BDL-AC180P-PV200","price":1098.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/202310025AC180P_PV200_2000-2000px_5_ca178420-f1e0-4ad6-862a-4d484b0d6815.jpg?v=1789072181"},{"product_id":"bluetti-eb3a-pv100-compact-solar-system","title":"Bluetti EB3A + PV100 | Compact Solar System","description":"\u003cp\u003e\u003cstrong\u003e268Wh and 100W of solar in a package you can carry one handed.\u003c\/strong\u003e Self sustaining through summer for lighting, devices and camera gear. The right first system for a build in progress, a roof tent or a second vehicle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e268Wh LiFePO4 capacity\u003c\/strong\u003e, 2,500+ cycles to 80%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600W pure sine wave output\u003c\/strong\u003e, 1,200W surge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 output ports\u003c\/strong\u003e including 100W USB-C PD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W monocrystalline panel\u003c\/strong\u003e, 23.4% cell efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e430W fast dual charging\u003c\/strong\u003e, solar and AC simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull app control\u003c\/strong\u003e and consumption monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical UK generation\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003eDaily yield\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, clear, angled\u003c\/td\u003e\n\u003ctd\u003e400 to 500Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJune, overcast\u003c\/td\u003e\n\u003ctd\u003e120 to 180Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApril and September, clear\u003c\/td\u003e\n\u003ctd\u003e250 to 350Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eOn a clear summer day the panel generates more than the battery holds, so the system runs continuously without a hookup.\u003c\/p\u003e\u003ch3\u003eSizing note\u003c\/h3\u003e\u003cp\u003eFor a conversion running a compressor fridge as its main load, the AC180P and PV200 system is the correct starting point. 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