{"title":"Expansion Batteries","description":"\u003cp\u003eExtra capacity that the host unit manages, so nothing about an existing install has to change. Plug it in and the system simply reports a larger battery.\u003c\/p\u003e\u003ch2\u003eWhen an expansion battery is the right answer\u003c\/h2\u003e\u003cp\u003eWhen you sit still. Capacity buys you days without input, which matters if you park up for a week, work from one spot, or spend December somewhere with no hookup and no sun.\u003c\/p\u003e\u003ch2\u003eWhen it is not\u003c\/h2\u003e\u003cp\u003eIf you drive even once a week, an alternator charger usually solves the same problem for less money and far less weight. A 1,200W DC-DC charger costs £549 and replaces a full day of use in forty five minutes of driving, every time you drive, forever. A second battery costs £1,399, adds substantial mass, and only helps you sit still for longer.\u003c\/p\u003e\u003cp\u003eBuy the battery for static capability. Buy the charger for range.\u003c\/p\u003e\u003ch2\u003eCheck compatibility first\u003c\/h2\u003e\u003cp\u003eExpansion packs are not universal. The B300K2 pairs with the Apex 300. The B80P expands the AC60 and AC60P, and runs in power bank mode with several smaller units. Neither works with the other's host.\u003c\/p\u003e\u003cp\u003eTell us what you are running and we will confirm the right pack before you order.\u003c\/p\u003e\u003ch2\u003eWeigh the van\u003c\/h2\u003e\u003cp\u003eA 2,764.8Wh pack is not a small object. Confirm your remaining payload before adding one, particularly on a 3.5 tonne conversion that is already carrying water, a heater and a fit out.\u003c\/p\u003e","products":[{"product_id":"bluetti-b300k2-expansion-battery-2-764-8wh","title":"Bluetti B300K2 Expansion Battery | 2,764.8Wh","description":"\u003cp\u003e\u003cstrong\u003e2,764.8Wh of automotive grade LiFePO4, rated to 4,000 cycles.\u003c\/strong\u003e Doubles an Apex 300 to 5,529.6Wh, managed entirely by the host unit, and works as a standalone DC power source in its own right.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2,764.8Wh capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4,000+ life cycles\u003c\/strong\u003e, automotive grade LiFePO4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone outputs\u003c\/strong\u003e, use it as a DC power source with no host unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless integration\u003c\/strong\u003e, no reconfiguration of an existing install\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 year manufacturer warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat it adds to an Apex 300\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003cth\u003eFull time days from full\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApex 300 alone\u003c\/td\u003e\n\u003ctd\u003e2,764.8Wh\u003c\/td\u003e\n\u003ctd\u003e3.2 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApex 300 + 1 x B300K2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5,529.6Wh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6.5 days\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApex 300 + 2 x B300K2\u003c\/td\u003e\n\u003ctd\u003e8,294.4Wh\u003c\/td\u003e\n\u003ctd\u003e9.75 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eBased on a full time daily draw of 850Wh: compressor fridge, diesel heater, lighting, laptop, phones and water pump.\u003c\/p\u003e\u003ch3\u003eWinter capacity\u003c\/h3\u003e\u003cp\u003eBetween November and February a UK van roof generates a fraction of its summer yield, and consumption rises as the heater runs. Capacity is what carries a conversion between drives through those months. A second pack takes a typical build from three days of reserve to six and a half.\u003c\/p\u003e\u003ch3\u003ePayload note\u003c\/h3\u003e\u003cp\u003eConfirm your vehicle's remaining payload before ordering. We can advise on weight distribution and mounting for your chassis.\u003c\/p\u003e\u003ch3\u003eBuy as a system\u003c\/h3\u003e\u003cp\u003eThe Apex 300 and B300K2 bought together saves 400 pounds against the individual prices.\u003c\/p\u003e","brand":"Bluetti","offers":[{"title":"Default Title","offer_id":51326018420903,"sku":"P-B300K2-EU-GY-BL-010","price":1399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/B300K_1x_da313235-49d0-46e4-9216-94076661a9e0.png?v=1789072025"},{"product_id":"bluetti-b80p-expansion-battery-806wh","title":"Bluetti B80P Expansion Battery | 806Wh","description":"\u003cp\u003e\u003cstrong\u003e806Wh that works as an expansion pack and as a standalone DC power source.\u003c\/strong\u003e Extends an AC60 or AC60P to 1,310Wh, or runs a 12V fridge directly with no inverter losses at all.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e806Wh LiFePO4 capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone outputs\u003c\/strong\u003e, 100W USB-C, 18W USB-A and 12V\/10A car port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue expansion\u003c\/strong\u003e for AC60 and AC60P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower bank mode\u003c\/strong\u003e with AC180, EB3A, EB55 and EB70\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour charging routes\u003c\/strong\u003e, host unit, solar, vehicle and adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRunning DC loads directly\u003c\/h3\u003e\u003cp\u003eBecause the B80P has its own 12V and USB outputs, a fridge or fan can run straight off it without passing through an inverter. That removes the conversion losses entirely, which is the most efficient way to run 12V loads in a conversion.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe B80P does not expand the Apex 300, AC240P or AC200PL, which take the B300K2 and B210P respectively. Tell us what you are running and we will confirm the correct pack.\u003c\/p\u003e","brand":"Bluetti","offers":[{"title":"Default Title","offer_id":51326020223143,"sku":"P-B80P-UN-GY-BL-010","price":369.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/B80P.webp?v=1789072025"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/collections\/roam-about-workshop.jpg?v=1789070820","url":"https:\/\/shop.roamwired.com\/collections\/expansion-batteries.oembed","provider":"Roam Wired Shop","version":"1.0","type":"link"}