{"product_id":"shimano-ec-e8004-42v-4a-steps-fast-ebike-charger-ec-e6002-upgrade","title":"Shimano EC-E8004 42V 4A STEPS Fast eBike Charger | EC-E6002 Upgrade","description":"\u003ch1\u003eNorthern California Stock, Right Here in the USA\u003c\/h1\u003e\n\n\u003cp\u003eGenuine Shimano EC-E8004-2 42V 4A STEPS Fast Charger for compatible Shimano 36V lithium-ion eBike battery systems.\u003c\/p\u003e\n\n\u003cp\u003eThe EC-E8004-2 is Shimano's high-output North American charger and can serve as a replacement charger, second charger, or a substantial fast-charging upgrade from the slower EC-E6002 on compatible Shimano batteries.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis is a genuine Shimano charger.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e A Shimano motor does not automatically mean your bike uses a Shimano battery or this charging system. Compatibility must be verified by battery model and charging architecture before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Upgrade to the EC-E8004?\u003c\/h2\u003e\n\n\u003cp\u003eMany compatible Shimano batteries can be charged with either the slower EC-E6002 or the higher-output EC-E8004. Shimano's published charging data shows significantly shorter charging times when the EC-E8004 is used with supported batteries.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the EC-E8004 an excellent option if you:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eNeed to replace a lost, damaged, or failed Shimano charger\u003c\/li\u003e\n\u003cli\u003eWant a second charger for home, work, travel, or another location\u003c\/li\u003e\n\u003cli\u003eCurrently use an EC-E6002 and want faster charging on a compatible battery\u003c\/li\u003e\n\u003cli\u003eWant Shimano's genuine 4A fast-charging solution for a supported Shimano battery system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eShimano EC-E8004-2 Specifications\u003c\/h1\u003e\n\n\u003cul\u003e\n\u003cli\u003eManufacturer: Shimano\u003c\/li\u003e\n\u003cli\u003eModel: EC-E8004-2\u003c\/li\u003e\n\u003cli\u003eProduct family: Shimano STEPS\u003c\/li\u003e\n\u003cli\u003eProduct type: Genuine Shimano fast eBike battery charger\u003c\/li\u003e\n\u003cli\u003eBattery architecture: Compatible Shimano 36V lithium-ion batteries\u003c\/li\u003e\n\u003cli\u003eOutput voltage: 42V DC\u003c\/li\u003e\n\u003cli\u003eMaximum output current: 4A\u003c\/li\u003e\n\u003cli\u003eNorth American version: USA \/ Canada\u003c\/li\u003e\n\u003cli\u003eAC plug: Type A\u003c\/li\u003e\n\u003cli\u003eTypical North American input: 120V AC, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003eShimano-listed input range: 100-240V AC, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003eCertification listed by Shimano: UL1012\u003c\/li\u003e\n\u003cli\u003eCharging method: Plug-in charging\u003c\/li\u003e\n\u003cli\u003eError signal: Yes\u003c\/li\u003e\n\u003cli\u003eCharging temperature: 0 to 40°C \/ 32 to 104°F\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -20 to 60°C \/ -4 to 140°F\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eBuilt-in AC cable: Yes\u003c\/li\u003e\n\u003cli\u003eAC cable length: Approximately 2 meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePublished Physical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eLength: 162 mm \/ approximately 6.38 in\u003c\/li\u003e\n\u003cli\u003eWidth: 73 mm \/ approximately 2.87 in\u003c\/li\u003e\n\u003cli\u003eHeight: 44 mm \/ approximately 1.73 in\u003c\/li\u003e\n\u003cli\u003ePublished target weight: Approximately 550 g \/ 1.21 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDimensions and weight are Shimano-published specifications for the EC-E8004 family and should be considered reference specifications.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eNorth American EC-E8004-2 Charging Times\u003c\/h1\u003e\n\n\u003cp\u003eShimano's current model-specific North American EC-E8004-2 information lists approximately the following charging times:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e418Wh battery:\u003c\/strong\u003e approximately 2.5 hours to 80% \/ 3.5 hours to full\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e504Wh battery:\u003c\/strong\u003e approximately 3.2 hours to 80% \/ 4.5 hours to full\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e630Wh battery:\u003c\/strong\u003e approximately 4.0 hours to 80% \/ 5.7 hours to full\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eActual charging time can vary with battery model, battery condition, state of charge, temperature, supply conditions, and normal battery-management behavior.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eEC-E6002 to EC-E8004 Fast-Charger Upgrade\u003c\/h1\u003e\n\n\u003cp\u003eOne of the biggest advantages of the EC-E8004 is its ability to substantially reduce charging time on Shimano batteries that Shimano approves for use with both the EC-E6002 and EC-E8004.\u003c\/p\u003e\n\n\u003cp\u003eShimano publishes the following broader EC-E6002 versus EC-E8004 charging-time comparison:\u003c\/p\u003e\n\n\u003ch2\u003e418Wh Battery Class\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eEC-E6002 to 80%: approximately 3.5 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 to 80%: approximately 2.0 hours\u003c\/li\u003e\n\u003cli\u003eEC-E6002 full charge: approximately 6.5 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 full charge: approximately 3.0 hours\u003c\/li\u003e\n\u003cli\u003ePotential full-charge time savings: approximately 3.5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e504Wh Battery Class\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eEC-E6002 to 80%: approximately 4.0 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 to 80%: approximately 2.5 hours\u003c\/li\u003e\n\u003cli\u003eEC-E6002 full charge: approximately 7.5 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 full charge: approximately 4.0 hours\u003c\/li\u003e\n\u003cli\u003ePotential full-charge time savings: approximately 3.5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e630Wh Battery Class\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eEC-E6002 to 80%: approximately 7.5 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 to 80%: approximately 3.2 hours\u003c\/li\u003e\n\u003cli\u003eEC-E6002 full charge: approximately 10.2 hours\u003c\/li\u003e\n\u003cli\u003eEC-E8004 full charge: approximately 4.8 hours\u003c\/li\u003e\n\u003cli\u003ePotential full-charge time savings: approximately 5.4 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e These comparison figures come from Shimano's broader EC-E8004 comparison data. Shimano's current North American EC-E8004-2 model-specific charging times are listed separately above. Supply conditions and regional specifications can affect Shimano's published charging-time figures.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eVerified Shimano Battery Compatibility\u003c\/h1\u003e\n\n\u003cp\u003eShimano's battery and charger compatibility documentation identifies EC-E8004 compatibility across numerous genuine Shimano battery families.\u003c\/p\u003e\n\n\u003ch2\u003eBT-EN400 Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-EN404-A\u003c\/li\u003e\n\u003cli\u003eBT-EN405-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAssociated charging components can include BM-EN400 and SM-BTE60 where applicable.\u003c\/p\u003e\n\n\u003ch2\u003eBT-EN600 Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-EN604-A\u003c\/li\u003e\n\u003cli\u003eBT-EN605-A\u003c\/li\u003e\n\u003cli\u003eBT-EN606-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAssociated battery architecture can include BM-EN600.\u003c\/p\u003e\n\n\u003ch2\u003eBT-EN800 Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-EN805-A\u003c\/li\u003e\n\u003cli\u003eBT-EN805-L-A\u003c\/li\u003e\n\u003cli\u003eBT-EN806-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAssociated charging components can include BM-EN800-A, BM-EN801-A, EW-CP100, and SM-BTE80 depending on the bicycle and battery installation.\u003c\/p\u003e\n\n\u003ch2\u003eBT-E6000 Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-E6000-A\u003c\/li\u003e\n\u003cli\u003eBT-E6001-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eApplicable charging arrangements can include BM-E6000 and SM-BTE60.\u003c\/p\u003e\n\n\u003ch2\u003eBT-E8010 \/ BT-E8014 \/ BT-E8016 Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-E8010-A\u003c\/li\u003e\n\u003cli\u003eBT-E8014-A\u003c\/li\u003e\n\u003cli\u003eBT-E8016-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eApplicable battery mounts can include BM-E8010 and BM-E8016.\u003c\/p\u003e\n\n\u003ch2\u003eBT-E8035 \/ BT-E8036 Integrated Battery Family\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-E8035-A\u003c\/li\u003e\n\u003cli\u003eBT-E8035-L-A\u003c\/li\u003e\n\u003cli\u003eBT-E8036-A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEarlier corresponding BT-E8035, BT-E8035-L, and BT-E8036 battery versions also appear in Shimano compatibility documentation.\u003c\/p\u003e\n\n\u003cp\u003eAssociated components can include BM-E8030-A, BM-E8031-A, EW-CP100, and SM-BTE80 depending on the battery and bicycle configuration.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eShimano Charging Adapters \u0026amp; Ports\u003c\/h1\u003e\n\n\u003cp\u003eElectrical compatibility with the EC-E8004 does not necessarily mean every compatible Shimano battery connects directly to the charger in exactly the same way.\u003c\/p\u003e\n\n\u003ch2\u003eShimano SM-BTE60\u003c\/h2\u003e\n\n\u003cp\u003eShimano identifies SM-BTE60 for applicable battery systems including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-EN404 \/ BT-EN405 family\u003c\/li\u003e\n\u003cli\u003eBT-E6000 \/ BT-E6001 family\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatible charger families include EC-E6000, EC-E6002, and EC-E8004.\u003c\/p\u003e\n\n\u003ch2\u003eShimano SM-BTE80\u003c\/h2\u003e\n\n\u003cp\u003eShimano identifies SM-BTE80 for applicable battery systems including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBT-EN805\u003c\/li\u003e\n\u003cli\u003eBT-EN805-L\u003c\/li\u003e\n\u003cli\u003eBT-EN806\u003c\/li\u003e\n\u003cli\u003eBT-E8035\u003c\/li\u003e\n\u003cli\u003eBT-E8035-L\u003c\/li\u003e\n\u003cli\u003eBT-E8036\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatible charger families include EC-E6000, EC-E6002, and EC-E8004.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVerify whether your particular bike requires a Shimano charging adapter or uses an appropriate direct or satellite charging port before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eBefore Ordering - Verify Your Shimano Battery\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not buy this charger solely because your bicycle has a Shimano motor.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eShimano drive units are used by bicycle manufacturers with both genuine Shimano batteries and third-party battery systems. A bike equipped with a Shimano E7000, E8000, EP8, EP800, or EP801 drive unit does not automatically use the EC-E8004 charging architecture.\u003c\/p\u003e\n\n\u003cp\u003eUse this process before ordering:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eLocate the battery manufacturer's label.\u003c\/li\u003e\n\u003cli\u003eConfirm that the bicycle actually uses a genuine Shimano battery system.\u003c\/li\u003e\n\u003cli\u003eLocate the exact Shimano battery model number.\u003c\/li\u003e\n\u003cli\u003eCompare the battery model with the compatible battery families listed above.\u003c\/li\u003e\n\u003cli\u003eVerify the bicycle's charging port and any required Shimano charging adapter.\u003c\/li\u003e\n\u003cli\u003eCompare your existing charger and charging connection to the product photos.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCommon compatible battery numbers can include BT-E8010, BT-E8014, BT-E8016, BT-E8035, BT-E8035-L, BT-E8036, BT-EN805, BT-EN805-L, BT-EN806, and other Shimano-approved battery models listed above.\u003c\/p\u003e\n\n\u003cp\u003eIf you are unsure, contact Granite Bike Works with a photo of your battery label, original charger label, charging connector, bike make, bike model, and model year before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eShimano Motor Does Not Equal Shimano Battery\u003c\/h1\u003e\n\n\u003cp\u003eThis distinction is especially important on eMTBs.\u003c\/p\u003e\n\n\u003cp\u003eBicycles using Shimano E7000, E8000, EP8, EP800, or EP801 motors can use different battery and charging systems depending on the bicycle manufacturer.\u003c\/p\u003e\n\n\u003cp\u003eFor example, some Shimano-powered bikes use proprietary or third-party battery systems with completely different chargers. A Shimano drive unit therefore cannot be used by itself to determine EC-E8004 compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBattery system compatibility is the determining factor.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eWhy Choose the Genuine Shimano EC-E8004-2?\u003c\/h1\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Shimano OEM charger\u003c\/li\u003e\n\u003cli\u003e42V DC \/ 4A high-output charging\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for compatible Shimano battery systems\u003c\/li\u003e\n\u003cli\u003ePotential fast-charging upgrade from EC-E6002 on supported batteries\u003c\/li\u003e\n\u003cli\u003eCompatible with numerous current and legacy Shimano STEPS battery families\u003c\/li\u003e\n\u003cli\u003eUseful as a replacement or second charger\u003c\/li\u003e\n\u003cli\u003eNorth American EC-E8004-2 configuration\u003c\/li\u003e\n\u003cli\u003eShimano battery-management and charging architecture\u003c\/li\u003e\n\u003cli\u003eNo need to rely on an unknown generic charger for a supported Shimano battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eIncludes\u003c\/h1\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Shimano EC-E8004-2 42V 4A STEPS Fast Charger\u003c\/li\u003e\n\u003cli\u003eBuilt-in North American AC power cable\u003c\/li\u003e\n\u003cli\u003eIntegrated charging cable \/ connector as supplied by Shimano\u003c\/li\u003e\n\u003cli\u003eShips from Granite Bike Works in Northern California, USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eSearch Keywords\u003c\/h1\u003e\n\n\u003cp\u003eShimano EC-E8004, Shimano EC-E8004-2, EC-E8004 charger, EC-E8004-2 charger, Shimano 4A charger, Shimano 42V charger, Shimano STEPS charger, Shimano STEPS fast charger, Shimano eBike charger, Shimano eMTB charger, Shimano battery charger, Shimano fast charger, EC-E6002 upgrade, EC-E6002 replacement, Shimano 4 amp charger, Shimano 36V battery charger, 42V 4A eBike charger, BT-E8010 charger, BT-E8014 charger, BT-E8016 charger, BT-E8035 charger, BT-E8035-L charger, BT-E8036 charger, BT-EN404 charger, BT-EN405 charger, BT-EN604 charger, BT-EN605 charger, BT-EN606 charger, BT-EN805 charger, BT-EN805-L charger, BT-EN806 charger, SM-BTE60, SM-BTE80, Shimano E7000 charger, Shimano E8000 charger, Shimano EP8 charger, Shimano EP800 charger, Shimano EP801 charger\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch1\u003eCompatibility Notice\u003c\/h1\u003e\n\n\u003cp\u003eBattery models, charger models, drive-unit names, charging adapters, and component references listed on this page are provided to help identify compatible Shimano charging systems. They do not guarantee compatibility with every bicycle using a Shimano drive unit. Compatibility is determined by the battery model, charging architecture, charging port, and any required Shimano adapter. Always verify your exact battery and charging configuration before ordering.\u003c\/p\u003e","brand":"Granite Bike Works","offers":[{"title":"Default Title","offer_id":50636400951533,"sku":"GBW-03009","price":170.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/5949\/3613\/files\/IMG-9575.png?v=1788587350","url":"https:\/\/granitebikeworks.com\/products\/shimano-ec-e8004-42v-4a-steps-fast-ebike-charger-ec-e6002-upgrade","provider":"Granite Bike Works","version":"1.0","type":"link"}