{"product_id":"expansion-battery-3300w-by-grid-doctor","title":"Grid Doctor 3300XP Expansion Battery Kit","description":"\u003ch2\u003e\u003cstrong\u003ePREPARE YOUR HOME WITH DEPENDABLE BACKUP POWER\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/2200-System-Lifestyle-02_ca41f148-5654-448e-917e-1de43536ae4e_600x600.jpg?v=1699111701\" alt=\"Image of the Grid Doctor system (one panel, one 2200 battery, and seven 2200XP batteries) powering an RV.\" style=\"margin-right: 1px; margin-bottom: 10px; margin-left: 20px; float: right;\"\u003e\u003c\/div\u003e\n\u003cp\u003eIn those unsettling moments when the lights flicker, it's easy to stay calm knowing that service will be restored quickly by trained professionals.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBut how would you keep things like heat, medical equipment, and electronic devices going if the power is out for longer than expected?\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e Grid Doctor 3300XP Expansion Battery Kit\u003c\/strong\u003e is the extended power supply you need in emergencies and a \u003cem\u003emust-add\u003c\/em\u003e to your \u003ca href=\"https:\/\/www.beprepared.com\/products\/3300w-emp-solar-generator-by-grid-doctor\" title=\"3300w-emp-solar-generator-by-grid-doctor\"\u003e\u003cu\u003eGrid Doctor 3300 Solar Generator System\u003c\/u\u003e\u003c\/a\u003e. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003ePOWER HOW YOU WANT IT\u003c\/u\u003e\u003c\/strong\u003e – Maximize your emergency power potential by stacking \u003cem\u003eup to seven\u003c\/em\u003e Grid Doctor 3300XP Expansion batteries. When integrated with your Grid Doctor 3300 Solar Generator System, you can \u003cstrong\u003eextend your system’s power output\u003c\/strong\u003e to an \u003cem\u003eimpressive\u003c\/em\u003e 16,384 Wh!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eEASY TO STACK AND STORE\u003c\/u\u003e\u003c\/strong\u003e – Stack them up high without eating up space in your home, shed, or car.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eCHARGE IT UP ANYWHERE\u003c\/u\u003e\u003c\/strong\u003e – You can charge the Grid Doctor 3300XP expansion battery through the car adapter, our \u003ca title=\"solar-panel-200w-by-grid-doctor\" href=\"https:\/\/www.beprepared.com\/products\/solar-panel-200w-by-grid-doctor\"\u003e\u003cu\u003esolar panels\u003c\/u\u003e\u003c\/a\u003e, or directly from the Grid Doctor 3300 generator battery, keeping you powered up at home or on the move. Plus, you can use this battery \u003cem\u003ewhile it charges\u003c\/em\u003e for an uninterrupted power supply!\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003e(Do not use a GFCI outlet to charge the 3300XP Expansion Battery.)\u003c\/em\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eBUILT TO LAST\u003c\/u\u003e\u003c\/strong\u003e – Thanks to its lithium iron phosphate battery, the Grid Doctor 3300XP Expansion Battery is good for \u003cem\u003eover 3,000 charges,\u003c\/em\u003e making it a smart long-term choice for backup power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003ePOWER EVERYTHING YOU’VE GOT\u003c\/u\u003e\u003c\/strong\u003e – With several power outlets, the Grid Doctor 3300XP Expansion Battery ensures your car, tools, camping gear, home appliances, and more are all ready to go. \u003cem\u003eIt can even power up your camper!\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cu\u003eEXPERIENCE ULTRA-FAST CHARGING WITH 1800W POWER\u003c\/u\u003e:\u003c\/strong\u003e Our advanced bilateral inverter technology outpaces traditional charge controllers, offering lightning-fast solar charging in just 3-4 hours, and even quicker wall charging in 2.4 hours. Power up at unprecedented speeds and stay ready for anything.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/3300xp-heres-whats-included.jpg?v=1739312981\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKEEP YOUR HOME COZY AND CONNECTED\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen a crisis comes, keeping things \u003cem\u003eas normal as possible \u003c\/em\u003eis essential for your family. With the Grid Doctor 3300XP Expansion Battery Kit, you can maintain a level of routine far longer, giving you a sense of security and control.\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 10px; margin-left: 20px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/2200XP-Runtime_74160c78-5cd6-4101-b8ef-f8164b952d8e_600x600.jpg?v=1717451764\"\u003e\u003c\/div\u003e\n\u003cp\u003eTo keep the typical household operating as usual in an emergency lasting three days, the average homeowner would need to pair the Grid Doctor 3300 generator battery with \u003cspan style=\"text-decoration: underline;\"\u003emultiple \u003c\/span\u003e\u003cu\u003e3300XP expansion batteries. \u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003eThis setup can keep it all running:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKitchen gadgets, from coffee makers to the microwave\u003c\/li\u003e\n\u003cli\u003eFridges and freezers\u003c\/li\u003e\n\u003cli\u003eWashers and dryers\u003c\/li\u003e\n\u003cli\u003eAir conditioners and fans\u003c\/li\u003e\n\u003cli\u003eTVs, phones, and computers\u003c\/li\u003e\n\u003cli\u003eEmergency radios\u003c\/li\u003e\n\u003cli\u003eInternet routers\u003c\/li\u003e\n\u003cli\u003eMedical equipment\u003c\/li\u003e\n\u003cli\u003ePower tools\u003c\/li\u003e\n\u003cli\u003eLights, including those with motion sensors\u003c\/li\u003e\n\u003cli\u003eElectric fences for security\u003c\/li\u003e\n\u003cli\u003eWater pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMORE POWER, YOUR WAY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eSheltering in place at home or setting up camp, you’ll value the versatility that comes with these 3300XP battery units. Stack them on top of your Grid Doctor 3300 generator battery to charge, building an impenetrable \"\u003cem\u003epower tower.\"\u003c\/em\u003e Use them in that way while they charge or \u003cstrong\u003edisconnect the units and use them individually.\u003c\/strong\u003e This is an ideal option for large groups and big families, distributing power to those who need it—\u003cem\u003ein their own space.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRAPID CHARGING\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eImplements cutting-edge technology to charge your electric appliances \u003cem\u003esignificantly\u003c\/em\u003e faster than conventional power sources.\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"413\" width=\"413\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/3300xp-coms_7c264813-28d6-4b21-98d9-2b916490db96.jpg?v=1739457817\" alt=\"\" style=\"margin-bottom: 10px; margin-left: 20px; float: right;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePLAYS A DUAL ROLE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThanks to pass-thru charging, there’s no need to wait for a full battery. Charge the generator while you use it to power your electric appliances and keep your household running! This uninterrupted power supply allows you to keep essential electronics operational \u003cem\u003eat all times.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eWASTE NO TIME WITH PASS-THRU CHARGING\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eBeing able to use your much-needed electronics \u003cem\u003eas the battery charges \u003c\/em\u003eis an \u003cstrong\u003einvaluable asset\u003c\/strong\u003e in an emergency.\u003c\/p\u003e\n\u003cp\u003eYou won’t go without what you need: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eCOMMUNICATION\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e –\u003c\/strong\u003e Keep cell phones, hand radios, and other electronics charged to remain connected to your survival crew. Plug in the radio or TV for breaking news, weather forecasts, and critical emergency information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eSAFETY\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e –\u003c\/strong\u003eTurn on your rechargeable lights to continue tasks in the dark, as well as prevent accidents and other dangers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eMEDICAL SUPPORT\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e –\u003c\/strong\u003e If someone in your group relies on electric medical equipment, this uninterrupted power supply will \u003cem\u003etruly\u003c\/em\u003e be a lifesaver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eFOOD PRESERVATION\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e –\u003c\/strong\u003e Prevent food from spoiling when stored inside a refrigerator. Food is among your most precious resources. Save as much of it as you possibly can!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eADAPTABILITY\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e –\u003c\/strong\u003e Adapt to different situations as your survival circumstances change. Use the generator as it charges from solar power during the day, then rely on stored energy at night.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eLONG BATTERY LIFE\u003c\/u\u003e\u003c\/strong\u003e\u003cstrong\u003e ­–\u003c\/strong\u003e Since you can charge the generator while you use it, you’re less likely to deplete the battery. This extends the life of your battery for years and years of use!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis battery provides protected charging options. Maximum Power Point Tracking, or MPPT, protects you \u003cem\u003eand\u003c\/em\u003e your electronics in an emergency through efficient charging.\u003c\/p\u003e\n\u003cp\u003eThis efficient charging refuels faster, ensuring your electronics operate fully sooner. Plus, the more efficient your energy use, the longer your electronics can run. Energy efficiency is optimal, reducing your dependence on unstable or unavailable power grids and making you more self-sufficient during disasters!\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eOUR COMMITMENT TO SAFETY: THE GRID DOCTOR BATTERY ADVANTAGE\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWhen it comes to backup power, nothing matters more than safety. That’s why every Grid Doctor product uses advanced Lithium Iron Phosphate (LiFePO₄) battery technology – not the cheaper, riskier lithium-ion batteries used in many competing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHere’s what that means for you:\u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eNO FIRE RISK LIKE LITHIUM-ION\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe biggest concern with the lithium-ion batteries found in many competitor products is something called thermal runaway – a chain reaction that can cause overheating, smoke, and even fire or explosions.\u003c\/p\u003e\n\u003cp\u003eThis is the same battery chemistry that has caused fires in electric scooters, e-bikes, and even EV recalls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrid Doctor’s Lithium Iron Phosphate batteries don’t do that. \u003c\/strong\u003eThey’re chemically stable, even under stress. They won’t catch fire if punctured, overheated, or overcharged.\u003c\/p\u003e\n\u003cp\u003eThat’s why, in aircraft backup systems and other situations where failure isn’t an option, they use the same LiFePO₄ battery technology you’ll find in Grid Doctor solar generators and power banks.\u003c\/p\u003e\n\u003cp\u003eAfter all, Grid Doctor systems are designed to operate indoors – often near your family, pets, and valuables. That’s why we refuse to compromise on battery safety.\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eBUILT TO LAST 4X LONGER\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eMost lithium-ion batteries degrade quickly, often losing capacity after just 500 charge cycles.\u003c\/p\u003e\n\u003cp\u003eGrid Doctor’s LiFePO₄ batteries last for 3,000+ cycles. That’s years of use, even if you charge and discharge your power system every day.\u003c\/p\u003e\n\u003cp\u003eThis longer lifespan also saves you money, because you won’t have to replace your battery system nearly as often.\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eRELIABLE PERFORMANCE IN TOUGH TEMPERATURES\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eWhether it’s a freezing blizzard or sweltering heat wave, you need power that won’t fail when you need it most.\u003c\/p\u003e\n\u003cp\u003eWhile storing your batteries in a temperature-controlled environment is recommended, Grid Doctor’s LiFePO₄ batteries perform much better in extreme temperatures than lithium-ion systems. They’re far less likely to swell, degrade, or fail under stress.\u003c\/p\u003e\n\u003cp\u003eThis makes them a superior choice for home emergency power, bug-out locations, and mobile power needs.\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eTHE BOTTOM LINE\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eWe believe the best technology is the safest technology. That’s why every Grid Doctor solar generator, expansion battery, and power bank we sell is built around non-flammable Lithium Iron Phosphate cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIt costs a little more to do it right – but we wouldn’t trust anything else to protect your family.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/2200xp-lifestyle-3_04794b05-34e8-4c0a-9c0b-7bdb70b48128_600x600.jpg?v=1717451764\" style=\"margin-bottom: 10px; margin-left: 20px; float: right;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eGRID DOCTOR 3300XP BATTERY PRODUCT DETAILS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBattery Capacity: 2048Wh 3.2V\/640000mAh, (51.2V\/40000mAh)\u003c\/li\u003e\n\u003cli\u003eBattery Type: LiFePO4\u003c\/li\u003e\n\u003cli\u003eCycle Life: 3500 Cycles\u003c\/li\u003e\n\u003cli\u003eCharge Controller: MPPT Control System\u003c\/li\u003e\n\u003cli\u003eInput Ports: AC (XT60), Adapter (200W); Solar Charging (XT60) (12V-48V\/10A 200W Max); Car Charging (XT60) (12V-8A 24V-8.3A); Expansion Port (Recharging with Grid Doctor 3300)\u003c\/li\u003e\n\u003cli\u003eOutput Ports: Car Port Socket (12V-10A 120W Total); XT90 (48V-15A 720W Total); USB-A (1 Port: 5V-2.4A 12W Total); USB-C (1 Port: 5V-3A\/9V-3A\/12V-3A\/15V-3A\/20V-5A 100W PD 200W Total)\u003c\/li\u003e\n\u003cli\u003eDischarging Temperature: 14°~104° F (-10°~40° C), Recommended 68°~86° F\u003c\/li\u003e\n\u003cli\u003eCharging Temperature: 32°~104° F (0°~40° C), Recommended 68°~86° F\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.7 x 11.65 x 9.51 Inches (475 x 296 x 242mm)\u003c\/li\u003e\n\u003cli\u003eWeight: 41 lbs. (18.6 kg)\u003c\/li\u003e\n\u003cli\u003eCertification: UN38.3\u003c\/li\u003e\n\u003cli\u003eAdditional Features: pass-thru charging, intuitive display, stackable for amplified power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eGRID DOCTOR 3300XP BATTERY WARNINGS\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUpon receiving your 3300XP, \u003cstrong\u003eplug it in immediately.\u003c\/strong\u003e The battery may be depleted from shipping, and it is crucial to charge it as soon as possible to preserve its lifespan.\u003c\/li\u003e\n\u003cli\u003eCold weather will impact battery capacity. Use this product in ambient temperatures ranging from \u003cstrong\u003e32°F and 86°F\u003c\/strong\u003efor the most maximized performance.\u003c\/li\u003e\n\u003cli\u003eIf not using the battery for extended periods, charge it to at least 60% and check the power level every three months.\u003c\/li\u003e\n\u003cli\u003eThis battery can be charged with solar panels, AC wall outlets, and car adapters. The maximum solar charging input is 10A, with a power input cap of 200W. Exceeding 200W will not damage the unit, but the input will remain at 200W.\u003c\/li\u003e\n\u003cli\u003eEnsure you read and follow all safety precautions outlined in the included instructions to guarantee the safe and proper use of the product.\u003c\/li\u003e\n\u003cli\u003eThis device may be hot while charging. \u003cstrong\u003eExercise caution when handling.\u003c\/strong\u003e Keep in a well-ventilated area while charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not \u003c\/strong\u003eplace in hot, humid, or dusty environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not \u003c\/strong\u003eheat or throw into fire, water, or other liquids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not \u003c\/strong\u003edrop or disassemble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not \u003c\/strong\u003eallow children to play with this device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb data-stringify-type=\"bold\"\u003eWARNING:\u003c\/b\u003e This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003cb data-stringify-type=\"bold\"\u003e\u003ca class=\"c-link\" data-stringify-link=\"http:\/\/www.P65Warnings.ca.gov\" data-sk=\"tooltip_parent\" href=\"http:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/b\u003e\u003cb data-stringify-type=\"bold\"\u003e\u003ca class=\"c-link\" data-stringify-link=\"https:\/\/www.p65warnings.ca.gov\/\" data-sk=\"tooltip_parent\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e.\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Grid Doctor","offers":[{"title":"Default Title","offer_id":41639876853900,"sku":"Z_SG_BAT-EX","price":1047.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/9626\/7916\/files\/3300xp-wb-01_b3f0451d-20f8-415a-aef8-d3b88bf4dd92.jpg?v=1739312738","url":"https:\/\/www.beprepared.com\/products\/expansion-battery-3300w-by-grid-doctor","provider":"Be Prepared - Emergency Essentials","version":"1.0","type":"link"}