{"product_id":"36v-7-8ah-battery-rfn-warrior-kids-sx-e500-sx-e700r-sx-e800","title":"BATTERYINT 36V 7.8Ah Replacement Battery for RFN Warrior Kids SX-E500, SX-E700 R \u0026 SX-E800 Electric Dirt Bike","description":"\u003cp\u003e\u003cstrong\u003e36V 7.8Ah Replacement Battery for RFN Warrior Kids SX-E500, SX-E700 R \u0026amp; SX-E800 Electric Dirt Bike\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen your kid's Warrior starts dying mid-trail, you don't need a whole new bike — you need a better battery.\u003c\/p\u003e\n\u003cp\u003eThe BATTERYINT 36V 7.8Ah pack is engineered as a direct replacement for the RFN Warrior Kids SX-E500 (14\"), SX-E700 R (14\"), and SX-E800 (16\"). At 280.8Wh, it matches the OEM 7.5Ah energy rating exactly, so acceleration, top speed, and runtime feel the same as the day the bike rolled out of the box. No range anxiety, no weak throttle, just more afternoons on the dirt.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDROP-IN OEM FIT\u003c\/strong\u003e — Engineered to the exact dimensions of the factory 7.5Ah pack. Slides straight into the stock battery bay of the SX-E500, SX-E700 R, and SX-E800. No brackets, no adapters, no drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e280.8Wh CONSISTENT POWER\u003c\/strong\u003e — 30 grade-A 18650 cells (2600mAh) in a 10S3P layout deliver stable 7.8Ah output under load. No voltage sag when the kid hits a hill or punches the throttle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS PROTECTION BUILT IN\u003c\/strong\u003e — Overcharge, over-discharge, over-current, short-circuit, and thermal protection on board. This is a battery your kid rides on — safety isn't optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXT60 HIGH-CURRENT CONNECTOR\u003c\/strong\u003e — Heavy-duty XT60 plug handles the 500W–700W peak motor cleanly and stays locked in on rough jumps and whoops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSE YOUR EXISTING CHARGER\u003c\/strong\u003e — Charges through the stock 5.5mm DC port with your original 42V 2A charger. Full charge in about 4 hours. No new charger needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-DAY FREE REPLACEMENT WARRANTY\u003c\/strong\u003e — If anything goes wrong in the first 90 days, we replace it. Email sales@batteryint.com before ordering if you want us to double-check fitment on your bike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBatteryint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eRechargeable Lithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Charge Voltage\u003c\/td\u003e\n\u003ctd\u003e42V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Capacity\u003c\/td\u003e\n\u003ctd\u003e7.8Ah (7800mAh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Capacity\u003c\/td\u003e\n\u003ctd\u003e280.8Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e10S3P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Type\u003c\/td\u003e\n\u003ctd\u003eGrade-A 18650, 2600mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge Connector\u003c\/td\u003e\n\u003ctd\u003eXT60 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Port\u003c\/td\u003e\n\u003ctd\u003eDC 5.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Charger\u003c\/td\u003e\n\u003ctd\u003e42V 2A (OEM compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Charge Time\u003c\/td\u003e\n\u003ctd\u003e~4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e~195 × 105 × 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~1.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% Brand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e90-Day Free Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e✅ Fits\u003c\/th\u003e\n\u003cth\u003eWheel\u003c\/th\u003e\n\u003cth\u003eAge\u003c\/th\u003e\n\u003cth\u003eRider Height\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRFN Warrior Kids SX-E500\u003c\/td\u003e\n\u003ctd\u003e14\"\u003c\/td\u003e\n\u003ctd\u003e4–6 yrs\u003c\/td\u003e\n\u003ctd\u003e110–130 cm\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRFN Warrior Kids SX-E700 R\u003c\/td\u003e\n\u003ctd\u003e14\"\u003c\/td\u003e\n\u003ctd\u003e4–6 yrs\u003c\/td\u003e\n\u003ctd\u003e110–130 cm\u003c\/td\u003e\n\u003ctd\u003e2024–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRFN Warrior Kids SX-E800\u003c\/td\u003e\n\u003ctd\u003e16\"\u003c\/td\u003e\n\u003ctd\u003e6–9 yrs\u003c\/td\u003e\n\u003ctd\u003e120–140 cm\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDoes NOT fit:\u003c\/strong\u003e SX-E250 \/ SX-E400 (smaller battery bay), or any SX-E5 \/ SX-E8 \/ SX-E15 (different voltage platform).\u003c\/p\u003e\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003e📦 \u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFree standard shipping — order total qualifies\u003c\/li\u003e\n\u003cli\u003eProcessing: 1–2 business days\u003c\/li\u003e\n\u003cli\u003eDelivery: 7–15 business days (US)\u003c\/li\u003e\n\u003cli\u003eTracking emailed once shipped\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e↩️ \u003cstrong\u003eWarranty \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDOA: free replacement within 7 days of delivery\u003c\/li\u003e\n\u003cli\u003e90-day warranty against manufacturing defects\u003c\/li\u003e\n\u003cli\u003eEmail sales@batteryint.com before returning any item\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BATTERYINT","offers":[{"title":"Default Title","offer_id":60385540407582,"sku":"BI-EDB-RFN50010S3P1826-XT60","price":139.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/2130\/7820\/files\/batteryint-36v-7.8ah-replacement-battery-rfn-warrior-sx-e500-sx-e700r.jpg?v=1792491328","url":"https:\/\/batteryint.com\/es\/products\/36v-7-8ah-battery-rfn-warrior-kids-sx-e500-sx-e700r-sx-e800","provider":"BATTERYINT","version":"1.0","type":"link"}