{"product_id":"ovonic-roma-12s-4500mah-444v-150c-lipo-battery-xt90-plug","title":"OVONIC ROMA 12S 4500mAh 44.4V 150C LiPo Battery Pack with XT90 Plug for Heavy Lift FPV Drone Cinema UAV 700-800 Heli","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eHeavy-lift cinematic drones, X8 FPV rigs, industrial UAVs, and high-voltage 3D helicopters require massive power delivery without thermal breakdown or electrical arcing. Standard dual 6S battery setups introduce wiring complexity and balance issues, while conventional high-voltage packs can suffer from extreme voltage drop, overheating, and mechanical stress during aggressive flight maneuvers.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOVONIC ROMA 12S 4500mAh 44.4V 150C LiPo Battery Pack\u003c\/b\u003e is a single-pack 12S power platform engineered for maximum power density and structural durability. Delivering an incredible \u003cb\u003e150C continuous discharge rate (199.8Wh energy)\u003c\/b\u003e, this ROMA series battery features built-in \u003cb\u003ealuminum protective side plates\u003c\/b\u003e for enhanced impact resistance and heat dissipation. Equipped with an \u003cb\u003eXT90 male plug\u003c\/b\u003e, heavy-duty 10 AWG silicone wiring, and a dual-sided wire exit layout, it provides instantaneous, fade-free power for mission-critical aerial operations.\u003c\/p\u003e\n\u003ch4\u003ePrimary Applications \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eThis native 12S high-voltage, high-discharge battery is optimized for heavy-payload aerial platforms and high-voltage RC aircraft:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCinematic FPV \u0026amp; Heavy-Lift UAVs:\u003c\/b\u003e The ideal single-pack 12S power supply for RED \/ Arri carrying X8 rigs, heavy-lifter FPV cinema drones, and agricultural\/mapping UAVs requiring native 44.4V power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e700 to 800 Class 3D RC Helicopters:\u003c\/b\u003e Delivers raw power and ultra-low internal resistance for extreme 3D aerobatic helicopters (e.g., SAB Goblin 700\/770\/800, Align T-Rex 700X\/800E, XLPower Specter 700).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLarge Scale EDF Jets \u0026amp; Giant-Scale RC Aircraft:\u003c\/b\u003e Supplies steady, high-amperage current for large-scale turbine-class EDF jets and high-voltage aerobatic planes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFive Key Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNative 12S1P High-Voltage Configuration (44.4V \/ 199.8Wh):\u003c\/b\u003e Eliminates complex dual 6S series adapters, reducing total wiring weight, resistance, and potential points of failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMonster 150C Continuous Discharge Rate:\u003c\/b\u003e Built for high-amp demand applications, delivering violent punch and instant throttle response with zero voltage sag under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAluminum Side Plate Armor \u0026amp; Thermal Dissipation:\u003c\/b\u003e Integrated aluminum plates on both sides shield delicate lithium cells from crash impacts while distributing internal heat evenly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-Duty XT90 Male Plug with 10 AWG Wire:\u003c\/b\u003e Factory-installed \u003cb\u003eXT90 male connector\u003c\/b\u003e with 120mm 10 AWG silicone wire handles heavy current demands smoothly and securely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual-Sided Wire Exit Layout:\u003c\/b\u003e Designed with power and balance wires exiting from opposite sides to streamline tray installation, cable management, and center-of-gravity tuning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e OVONIC (ROMA Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eModel \/ Part No.:\u003c\/b\u003e O-150C-4500-12S1P-XT90\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBattery Type:\u003c\/b\u003e Lithium Polymer (LiPo)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eConfiguration:\u003c\/b\u003e 44.4V \/ 12S1P \/ 12 Cells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCapacity:\u003c\/b\u003e 4500mAh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVoltage:\u003c\/b\u003e 44.4V (Nominal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDischarge Rate:\u003c\/b\u003e \u003cb\u003e150C Continuous\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnergy:\u003c\/b\u003e 199.8Wh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDischarge Connector:\u003c\/b\u003e \u003cb\u003eXT90 Male Plug\u003c\/b\u003e with 10 AWG Silicone Wire (120mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBalance Connector:\u003c\/b\u003e Reverse JST-XHR-13P with 22 AWG Silicone Wire (60mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProtection \u0026amp; Finish:\u003c\/b\u003e Dual Aluminum Side Plates, Black + Clear PVC Shrink Wrap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWire Layout:\u003c\/b\u003e Dual-Sided Wire Exit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDimensions:\u003c\/b\u003e \u003cb\u003e150.49 × 46.97 × 90.85 mm\u003c\/b\u003e \u003ci\u003e(±3mm tolerance)\u003c\/i\u003e | \u003cb\u003e5.93 × 1.85 × 3.58 in\u003c\/b\u003e \u003ci\u003e(±0.12in tolerance)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNet Weight:\u003c\/b\u003e \u003cb\u003e1253.33 g\u003c\/b\u003e \u003ci\u003e(±20g tolerance)\u003c\/i\u003e | \u003cb\u003e2.76 lbs\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat's in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × OVONIC ROMA 12S 4500mAh 44.4V 150C LiPo Battery with XT90 Male Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2 × OVONIC Brand Stickers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 × User Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSafety \u0026amp; Maintenance Guidelines\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSystem Voltage Verification:\u003c\/b\u003e Ensure your ESC, PDB, and motor setup are fully rated for 12S high voltage (44.4V nominal, 50.4V fully charged) prior to connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCharging Protocol:\u003c\/b\u003e Always use a 12S-compatible dedicated \u003cb\u003eLiPo Balance Charger\u003c\/b\u003e. Do not exceed a \u003cb\u003e1C charge rate\u003c\/b\u003e (4.5A) and never charge above \u003cb\u003e4.20V per cell\u003c\/b\u003e (50.4V total). Never leave charging packs unattended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrevent Over-Discharge:\u003c\/b\u003e Land immediately when individual cell voltage reaches 3.5V under load. Never allow cell voltage to drop below \u003cb\u003e3.2V per cell\u003c\/b\u003e (38.4V total pack voltage) to prevent permanent chemical damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePre-Flight Inspection:\u003c\/b\u003e Always check the aluminum side plates, shrink wrap, heavy 10 AWG lead jackets, and reverse JST-XHR-13P balance connector before each flight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStorage Maintenance:\u003c\/b\u003e Store packs in a fireproof LiPo safety bag or container at a proper nominal storage charge of \u003cb\u003e3.80V–3.85V per cell\u003c\/b\u003e in a cool, dry, and well-ventilated location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ovonic","offers":[{"title":"Default Title","offer_id":49133409009908,"sku":"O-150C-4500-12S1P-XT90","price":122.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0403\/6516\/2652\/files\/OVONICROMA12S4500mAh44.4V150CLiPoBatteryPackwithXT90Plug.png?v=1786618315","url":"https:\/\/www.ampow.com\/fr\/products\/ovonic-roma-12s-4500mah-444v-150c-lipo-battery-xt90-plug","provider":"Ampow","version":"1.0","type":"link"}