{"product_id":"sherpa-peak-3-0-extra-battery","title":"Sherpa PEAK 3.0-Extra Battery","description":"\u003cdiv class=\"cmnav-pp\"\u003e\n\n  \u003c!-- ===== HERO ===== --\u003e\n  \u003csection class=\"pp-hero\"\u003e\n    \u003cdiv class=\"pp-hero__copy\"\u003e\n      \u003cspan class=\"pp-eyebrow\"\u003ePEAK 3.0-EB Smart Extra Battery\u003c\/span\u003e\n      \u003ch2\u003eSmart 3072Wh expansion battery with built-in MPPT and DC outputs\u003c\/h2\u003e\n      \u003cp\u003eThe PEAK 3.0-EB is a user-friendly Smart Extra Battery designed to add serious energy storage to your PEAK 2.2 system. Unlike a passive add-on, it carries its own MPPT controller, accepts direct solar and DC input, and powers your devices straight from its own USB and XT60 outputs — so it earns its keep on the road, on site or in temporary home backup.\u003c\/p\u003e\n      \u003cdiv class=\"pp-badges\"\u003e\n        \u003cspan class=\"pp-badge pp-badge--gold\"\u003e3072Wh Added Capacity\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003eBuilt-in MPPT\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003e3 DC Output Ports\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003eLiFePO₄ Battery\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pp-hero__image\"\u003e\n      \u003cimg src=\"https:\/\/www.sherpapower.co.uk\/cdn\/shop\/files\/Sherpa-PEAK-3.0-extra-battery-3000Wh-01.jpg?v=1775561804\u0026amp;width=1500\" alt=\"Sherpa PEAK 3.0-EB Smart Extra Battery\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== STATS ===== --\u003e\n  \u003csection class=\"pp-stats\"\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e3072Wh\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eAdded energy capacity\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e3500+\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eBattery cycles to 80%\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e400W\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eDirect solar\/DC input\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e7680Wh\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eMax system capacity\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== STANDALONE VS HOST CALLOUT ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-note\"\u003e\n\u003cstrong\u003eSmart, not passive:\u003c\/strong\u003e the PEAK 3.0-EB will charge directly from solar, wind DC, hydro DC or your vehicle’s 12V socket using its own built-in MPPT, and will power DC devices straight from its USB-A, USB-C and XT60 ports. To charge from \u003cstrong\u003eAC mains\u003c\/strong\u003e or use \u003cstrong\u003eAC output\u003c\/strong\u003e, link it to a PEAK 2.2 host unit (or Sherpa’s separate AC-DC charger accessory).\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== BUILT FOR SCALABLE POWER ===== --\u003e\n  \u003csection class=\"pp-section pp-two\"\u003e\n    \u003cdiv class=\"pp-two__panel\"\u003e\n      \u003ch3\u003eBuilt for serious, scalable power\u003c\/h3\u003e\n      \u003cp\u003eDesigned for commercial and leisure vehicles, professional fieldwork and temporary home backup. Plug it into a PEAK 2.2, daisy-chain a second EB, and you’ve built a 7,680Wh system that can run for days off-grid.\u003c\/p\u003e\n      \u003cul class=\"pp-list\"\u003e\n        \u003cli\u003eAdds \u003cstrong\u003e3072Wh\u003c\/strong\u003e per unit to a PEAK 2.2 system\u003c\/li\u003e\n        \u003cli\u003eLink \u003cstrong\u003eup to 2 EB units\u003c\/strong\u003e with one PEAK 2.2 host for \u003cstrong\u003e7680Wh total\u003c\/strong\u003e\n\u003c\/li\u003e\n        \u003cli\u003eAccepts solar, wind DC and hydroelectric DC input via its own MPPT\u003c\/li\u003e\n        \u003cli\u003eCharge and discharge simultaneously — keep working while the sun tops you up\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pp-two__image\"\u003e\n      \u003cimg src=\"https:\/\/www.sherpapower.co.uk\/cdn\/shop\/files\/Sherpa-PEAK-2.2-kW-portable-power-station-extra-batteries-7680Wh.jpg?v=1775562158\u0026amp;width=2000\" alt=\"PEAK 2.2 host unit linked with two PEAK 3.0-EB extra batteries for 7680Wh total\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== LiFePO4 ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eLong-life LiFePO₄ battery technology\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe PEAK 3.0-EB uses an automotive-grade lithium iron phosphate (LiFePO₄) battery, chosen for long service life, thermal stability and strong performance under demanding loads.\u003c\/p\u003e\n    \u003cdiv class=\"pp-note\"\u003eThe battery can be cycled approximately \u003cstrong\u003e3,500 times\u003c\/strong\u003e before its original capacity is reduced to 80% — equivalent to roughly \u003cstrong\u003e10+ years\u003c\/strong\u003e of typical use.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== EXPANDABLE SYSTEM ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eScale up to 7,680Wh with the PEAK 2.2\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eEach PEAK 3.0-EB adds 3072Wh of usable storage. Link \u003cstrong\u003eup to two units\u003c\/strong\u003e alongside a PEAK 2.2 host and your total system reaches \u003cstrong\u003e7,680Wh\u003c\/strong\u003e — enough for extended off-grid stays, multi-day worksite power or whole-evening home backup.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eAdd one EB for nearly triple the capacity of the PEAK 2.2 alone\u003c\/li\u003e\n      \u003cli\u003eAdd a second EB for the full 7,680Wh maximum system\u003c\/li\u003e\n      \u003cli\u003eMove expansion batteries to a different room or vehicle if needed — they don’t have to sit next to the host\u003c\/li\u003e\n      \u003cli\u003eCompatible only with the PEAK 2.2 host unit\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== DC OUTPUTS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003e3 DC output ports for direct device power\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eSelf-regulating smart-charge ports let you power and charge multiple DC devices straight from the EB — no host unit required for DC output use.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003e1 × USB-A:\u003c\/strong\u003e 5V \/ 9V \/ 12V, max 18W — phones, tablets, action cameras\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e1 × USB-C:\u003c\/strong\u003e 5V \/ 9V \/ 12V, max 100W — laptops, fast-charge tablets and phones\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e1 × XT60 port:\u003c\/strong\u003e 12V \/ 30A — diesel heaters, DC fridges, 12V tools and high-draw DC devices\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003eTotal DC output: 30A \/ 360W max. Ideal for camping fridges, diesel heaters, DC lighting, laptops and the daily charging mix you’d expect on an off-grid trip.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== CHARGING ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eMultiple charging options — including direct solar\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe built-in MPPT charge controller accepts a wide range of DC inputs, so you can recharge the EB on its own from renewable sources, top up from a vehicle, or push AC mains charge through the host unit.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAC charging (via PEAK 2.2 host):\u003c\/strong\u003e ~4 hours from 0–100% with the host plugged into mains\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSolar \u0026amp; renewable DC:\u003c\/strong\u003e ~7–8 hours from 0–100% via the unit’s own MPPT (12–95V, 400W max input)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eVehicle 12V:\u003c\/strong\u003e trickle charge while travelling using the supplied car charge cable\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAC-DC adapter accessory (sold separately):\u003c\/strong\u003e charge directly from a wall socket without the host\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cdiv class=\"pp-note\"\u003eHigh-efficiency MPPT charge controller converts \u003cstrong\u003esolar, wind DC or hydroelectric DC\u003c\/strong\u003e input directly — ideal for going completely off-grid.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== SAFETY \/ BMS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eAdvanced battery management \u0026amp; safety\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe integrated Battery Management System (BMS) monitors operating conditions and limits unsafe behaviour throughout the charge and discharge cycle.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eOverheating protection\u003c\/li\u003e\n      \u003cli\u003eOverload protection\u003c\/li\u003e\n      \u003cli\u003eShort-circuit protection\u003c\/li\u003e\n      \u003cli\u003eOver-voltage and low-voltage protection\u003c\/li\u003e\n      \u003cli\u003eDeep-discharge limiting to preserve battery longevity\u003c\/li\u003e\n      \u003cli\u003eActive temperature monitoring during charge and discharge\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cdiv class=\"pp-warn\"\u003e\n\u003cstrong\u003eIndoor use:\u003c\/strong\u003e the PEAK 3.0-EB is rated IP20 and is \u003cstrong\u003enot waterproof\u003c\/strong\u003e. Use it under cover — inside a vehicle, garage, workshop or home — and ensure the cooling vents have space to breathe.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== SPEC TABLE ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eTechnical specification\u003c\/h3\u003e\u003c\/div\u003e\n    \u003ctable class=\"pp-spec\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eSmart Extra Battery (compatible with PEAK 2.2 host)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBattery capacity\u003c\/td\u003e\n\u003ctd\u003e3072Wh (~240Ah at 12.8V); usable approx. 2,611Wh (85% DoD)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBattery chemistry\u003c\/td\u003e\n\u003ctd\u003eAutomotive-grade LiFePO₄ lithium iron phosphate\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBattery life\u003c\/td\u003e\n\u003ctd\u003e3,500+ cycles to 80% original capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMaximum system capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 7,680Wh with PEAK 2.2 host and 2 × PEAK 3.0-EB\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDC outputs\u003c\/td\u003e\n\u003ctd\u003e1 × USB-A (max 18W), 1 × USB-C (max 100W), 1 × XT60 (12V\/30A)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTotal DC output\u003c\/td\u003e\n\u003ctd\u003e30A \/ 360W max\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eAC output\u003c\/td\u003e\n\u003ctd\u003eNot available — use PEAK 2.2 host for AC output\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDC input (solar\/renewable)\u003c\/td\u003e\n\u003ctd\u003e12–95V, 400W max via built-in MPPT\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eAC input (via host)\u003c\/td\u003e\n\u003ctd\u003e700W max via linked PEAK 2.2 host\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eAC charging time\u003c\/td\u003e\n\u003ctd\u003e~4 hours via PEAK 2.2 host\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSolar \/ DC charging time\u003c\/td\u003e\n\u003ctd\u003e~7–8 hours from 0–100%\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVehicle charging\u003c\/td\u003e\n\u003ctd\u003eFast: ~7–8 hours; slow trickle via 12V socket: ~25 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBattery management\u003c\/td\u003e\n\u003ctd\u003eMPPT charge controller, BMS with multi-stage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDischarging temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCharging temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eApp compatibility\u003c\/td\u003e\n\u003ctd\u003eAvailable when linked to PEAK 2.2 host\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eIP rating\u003c\/td\u003e\n\u003ctd\u003eIP20 (indoor \/ under-cover use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e441 × 312 × 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5-year standard warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== INCLUDED ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e1 × PEAK 3.0-EB Smart Extra Battery\u003c\/li\u003e\n      \u003cli\u003e1 × Output adapter from XT60 to Aux and 5525 port\u003c\/li\u003e\n      \u003cli\u003e1 × MC4 solar charging cable (LSMC4-5GX16)\u003c\/li\u003e\n      \u003cli\u003e1 × MJ32 cascade cable (for linking to host)\u003c\/li\u003e\n      \u003cli\u003e1 × 12V, 30A crocodile clip cable\u003c\/li\u003e\n      \u003cli\u003e1 × Adapter cable: 5521 to GX16MF-5 connector\u003c\/li\u003e\n      \u003cli\u003e1 × Adapter cable: Anderson to GX16MF-5 connector\u003c\/li\u003e\n      \u003cli\u003e1 × Car charge cable to GX16MF-5 connector\u003c\/li\u003e\n      \u003cli\u003e6 × Metal fixing plate\u003c\/li\u003e\n      \u003cli\u003e6 × Screws\u003c\/li\u003e\n      \u003cli\u003e6 × Double spare corner protectors\u003c\/li\u003e\n      \u003cli\u003e8 × Spare corner protectors\u003c\/li\u003e\n      \u003cli\u003e1 × User manual\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003ePlease note: a PEAK 2.2 host unit is \u003cstrong\u003enot included\u003c\/strong\u003e with this item and must be purchased separately if you don’t already have one. AC output and AC mains charging require the host unit.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== FULFILMENT NOTICE ===== --\u003e\n  \u003csection class=\"pp-section pp-fulfil\"\u003e\n    \u003ch3\u003eImportant fulfilment, delivery \u0026amp; warranty information\u003c\/h3\u003e\n    \u003cp\u003eTo keep things fully transparent, this product is supplied and fulfilled by one of our trusted UK-based third-party partners. It is not stocked directly at our own premises.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePartner-fulfilled product:\u003c\/strong\u003e dispatched directly by the supplier from their own fulfilment operation\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDelivery \u0026amp; tracking:\u003c\/strong\u003e delivery times and courier arrangements may vary depending on supplier stock, item size and destination — tracking details will be provided once available\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eManufacturer-backed warranty:\u003c\/strong\u003e warranty support, diagnostics and technical repairs may be handled directly by the manufacturer or authorised supplier as they are the product specialists\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSupport from us:\u003c\/strong\u003e if you experience any issue, please contact us first — we will help coordinate the next steps with the supplier where required\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003eYour statutory rights under UK consumer law are not affected. Where applicable, we will continue to act as your point of contact for order-related queries, returns guidance and support coordination.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"Sherpa Power","offers":[{"title":"Default Title","offer_id":57101347324277,"sku":"SP-PE3072PE-EB","price":1299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0120\/6458\/7876\/files\/Sherpa-PEAK-3.0-extra-battery-3000Wh-01.jpg?v=1777064605","url":"https:\/\/cmnav.co.uk\/products\/sherpa-peak-3-0-extra-battery","provider":"C \u0026 M Navigation Systems ","version":"1.0","type":"link"}