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Nº de artículo:
224915119
JS300 Super Starter - Permanent 12V Engine Starting System with Super Capacitor, Health Monitor via App,40F176F, No Internal Energy Storage
88% of respondents would recommend this to a friend
Nº de artículo:
224915119
GTQ 2398
Price Details
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*All items will import from Estados Unidos
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The JS200 is engineered with advanced supercapacitors, eliminating the need for internal chemical batteries and delivering a massive surge of power for immediate engine starts.
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What Stands Out
Super Capacitor
The JS300 utilizes advanced super capacitor technology for efficient energy transfer, providing reliable engine starts without traditional battery limitations, ensuring high performance in all weather conditions.
Health Monitoring App
Stay connected with the built-in health monitor accessed via a user-friendly app. Track the system's performance in real-time, enhancing user convenience and enabling proactive maintenance.
Energy Efficiency
Designed with no internal energy storage, the JS300 emphasizes optimal energy use while minimizing weight and size, making it perfect for various vehicles seeking improved efficiency and reliability in engine starting.
Detalles de producto
| Battery Type | Other Than Listed |
| Voltage | 12 Volts |
| Compatible with Vehicle Type | Cars, SUVs, Motorcycles, Light Trucks |
| Amperage | 1000 Amps |
| Peak Output Current | 1000 Amps |
| Automotive Fit Type | Universal Fit |
| Item Dimensions D x W x H | 10.12"D x 2.17"W x 3.94"H (25.7 x 5.5 x 10 cm) |
| Brand Name | leagend |
| Manufacturer Part Number | JS300 |
| Manufacturer | leagend |
| Model Number | JS300 |
| Unit Count | 1.0 Count |
| Included Components | JS300 Main Unit |
| Brand | leagend |
| Battery Cell Composition | Other Than Listed |
| Product Dimensions (L x W x H) | 10.12"D x 2.17"W x 3.94"H (25.7 x 5.5 x 10 cm) |
| Vehicle Service Type | Cars, SUVs, Motorcycles, Light Trucks |
Who Should Buy?
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Frequent Drivers
Ideal for users who drive regularly and require a reliable start without traditional batteries.
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Emergency Services
Perfect for emergency vehicles needing a dependable, quick start solution during critical situations.
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Tech Enthusiasts
Great for users who appreciate technological integration and want app-based health monitoring for their engine system.
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Casual Users
Not suitable for occasional drivers who may not utilize the advanced features or reliability benefits.
DESCRIPCIÓN DEL PRODUCTO
JS300 Super Starter - Permanent 12V Engine Starting System with Super Capacitor, Health Monitor via App,40F176F, No Internal Energy Storage
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Preguntas y respuestas de los clientes
-
Pregunta:
How does the JS200 eliminate the need for chemical batteries?
Respuesta: It uses advanced supercapacitors that harvest energy for instant power delivery. -
Pregunta:
How long does the JS200 last?
Respuesta: It is engineered for over 100,000 start cycles, ensuring long-term durability. -
Pregunta:
Can it be used in extreme temperatures?
Respuesta: Yes, it operates effectively in temperatures ranging from -40°C to 80°C.
leagend Jump Starters JS300 Editorial Review
The Permanent Mount Super Capacitor Jump Starter - 1300A, also known as the JS300, has garnered significant attention for its innovative features and ability to assist car owners with persistent battery issues. Customers are largely impressed by this device, which leverages supercapacitor technology rather than traditional battery systems. This design offers a maintenance-free experience, as there are no batteries to replace or worry about. Reviewers have highlighted the device's efficiency in jumpstarting vehicles, even when the car's main battery is at a fraction of its capacity. Users appreciate the quick charge features, with many noting that the jump starter can recharge within 3 to 10 minutes during regular vehicle operation. The ability to log and monitor the car battery's condition through a user-friendly app adds significant value to the product. Many customers have shared positive experiences, citing that the jump starter has not only revitalized their vehicle's ignition but has also contributed to extending the overall battery life by reducing wear and tear. While the core jumpstarting functionality receives high marks, some users have reported intermittent connectivity issues with the accompanying app, which are not universally experienced. However, many have found workarounds, such as using different devices for installation or troubleshooting connection problems. Overall, the JS300 combines robust performance with ease of installation and a modern monitoring capability, making it an appealing choice for drivers looking for a reliable solution to battery problems. **
Customer Reviews & Ratings
1 valoraciones de los clientes
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5 estrella
100%
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4 estrella
0%
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3 estrella
0%
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2 estrella
0%
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1 estrella
0%
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ventajas
- Uses supercapacitor technology for maintenance-free operation
- Efficiently jumpstarts cars with minimal energy loss
- Quick recharge capability while the vehicle is running
- User-friendly app for monitoring battery status and logs
- Compact size allows easy installation in various vehicles
- Durable Construction with no moving parts
Contras
- Some users may need to customize app settings for accurate readings
Platform Trust & Buyer Confidence
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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31 August 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Información importante
- Limitaciones: Para los productos enviados al extranjero, ten en cuenta que cualquier garantía del fabricante puede no ser válida; las opciones de servicio del fabricante pueden no estar disponibles; los manuales del producto, las instrucciones y las advertencias de seguridad pueden no estar en los idiomas del país de destino; los productos (y los materiales que los acompañan) pueden no estar diseñados de acuerdo con las normas, especificaciones y requisitos de etiquetado del país de destino; y los productos pueden no ajustarse al voltaje del país de destino y a otras normas eléctricas (lo que requiere el uso de un adaptador o convertidor, si procede). El destinatario es responsable de asegurarse de que el producto puede ser importado legalmente al país de destino. Cuando hagas un pedido a Ubuy o a sus filiales, el destinatario es el importador registrado y debe cumplir todas las leyes y normativas del país de destino.
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GTQ 2398
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características y beneficios
- Instant ignition with advanced supercapacitor technology.
- Eliminates the hassle of battery management.
- Permanent installation extends car battery life.
- Delivers 700A peak current for all 12V vehicles.
- Reliable in extreme weather conditions, from -40°C to 80°C.
- Smart status indication and comprehensive safety features.
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