--- product_id: 741550379 title: "Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery," brand: "green keeper" price: "€ 10.07" currency: EUR in_stock: false url: https://www.desertcart.pt/products/741550379-jump-starter-12-v-1-000-a-peak-500-start store_origin: PT region: Portugal --- # 1000A peak power 10,000mAh lithium battery Supports up to 5.0L gasoline engines Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, **Brand:** green keeper **Price:** € 10.07 **Availability:** ❌ Out of Stock ## Summary > ⚡ Never miss a beat—power up your ride and your life! ## Quick Answers - **What is this?** Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, by green keeper - **How much does it cost?** € 10.07 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/741550379-jump-starter-12-v-1-000-a-peak-500-start) ## Best For - green keeper enthusiasts ## Why This Product - Trusted green keeper brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Emergency LED Lighting:** Built-in SOS and strobe lights keep you safe and visible in any situation. - • **Smart Safety Protections:** PSE certified with multiple safeguards for worry-free use anytime. - • **Powerful 1000A Peak Current:** Jump-start large engines effortlessly and never get stranded. - • **Versatile Engine Compatibility:** Works with gasoline up to 5.0L and diesel up to 3.5L engines. - • **Massive 10,000mAh Battery Capacity:** Charge your devices on the go while reviving your vehicle. ## Overview The GREEN KEEPER GK-J1201 Jump Starter delivers a robust 1000A peak current and 500A start current, capable of jump-starting gasoline engines up to 5.0L and diesel engines up to 3.5L. Featuring a high-capacity 10,000mAh lithium battery, it doubles as a portable charger for your devices. Safety is paramount with PSE certification and multiple intelligent protections. Its multifunctional LED light offers SOS and strobe modes for emergencies, making it an essential, versatile tool for cars, motorcycles, and small boats. ## Description Full description not available ## Features - STRONG START PERFORMANCE: The jump starter 12V provides 1000A peak and 500A start current, which can support up to 5.0L gasoline and 3.0L diesel vehicles. Also works great as an engine starter - High Capacity Battery: Equipped with a 10,000 mAh 37 Wh high capacity lithium battery, it not only serves as a battery jump starter, but also supports charging mobile devices - SAFE AND RELIABLE: Safety PSE certified car battery jump starter with multiple intelligent safety protection protection to minimize the risk during use and quickly respond to car battery issues - MULTI-FUNCTIONAL LED LIGHTING: This car battery jump starter is equipped with LED light, which can serve as an SOS signal or strobe light in case of emergency, very convenient at night or emergency - Wide range of applications: It is versatile enough to fit a wide range of vehicles from light cars to regular cars, motorcycles and even small ships. It can also be used as a battery starter - Note: The package includes a Japanese user manual for the GKJ-1201 model ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Dong guan Carosstech Co.,Ltd | | Brand | GREEN KEEPER | | Model | GK-J1201 | | Product Dimensions | 4 x 19 x 9 cm; 498.95 g | | Batteries | 1 Lithium Metal batteries required. (included) | | Item model number | GK-J1201 | | Amperage | 1000 Amps | | Item Dimensions L x W x H | 40 x 190 x 90 mm | | Warranty | 18 months | | Item Weight | 499 g | ## Product Details - **Brand:** GREEN KEEPER - **Battery Cell Composition:** Lithium Polymer - **Voltage:** 12 Volts - **Product Dimensions:** 4D x 19W x 9H cm - **Vehicle Service Type:** Motorcycle, Watercraft ## Images ![Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, - Image 1](https://m.media-amazon.com/images/I/516aGAw3k-L.jpg) ![Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, - Image 2](https://m.media-amazon.com/images/I/61wZ0BDhm+L.jpg) ![Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, - Image 3](https://m.media-amazon.com/images/I/61OiWRsYGML.jpg) ![Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, - Image 4](https://m.media-amazon.com/images/I/61tNCgJB5qL.jpg) ![Jump Starter, 12 V, 1,000 A, Peak 500 A, Start Current, Max 5.0 L Gasoline Vehicles, 3.5 L Diesel Vehicles, Engine Starter, Battery Jump Starter, 10,000 mAh, 37 Wh Large Capacity Lithium Battery, - Image 5](https://m.media-amazon.com/images/I/71KSEAQjTwL.jpg) ## Questions & Answers **Q: How to jump start?** A: 1. Insert clamps into the EC5 port. 2. Securely connect clamps to battery terminals. 3. Start engine within 30 seconds when the light is green. 4. Disconnect clamps promptly after starting. *Charge GK-J1201 before use and ensure battery is above 50%. **Q: Is GK-J1201 suitable for my vehicle?** A: The GK-J1201 suits cars, trucks, boats, buses, SUVs, RVs, lawn mowers, motorcycles, and more, with gasoline engines up to 5.0L and diesel engines up to 3.5L. Designed for 12V lead-acid batteries only, not for other battery types. **Q: What should I do before using the jump starter?** A: All Green Keeper jump starters come partially charged out of the box but need to be charged prior to first use. **Q: How many times can I charge my phone with GK-J1201？** A: To determine how many times a 3.7V/10000mAh power bank can charge an iPhone (3000mAh battery), consider power transfer efficiency (60%). A 100% charged GK-J1201 can charge the phone approximately 2 times, accounting for the 60% conversion efficiency. **Q: Why does your product display the peak current on the cover?** A: Many products avoid printing this to allow flexibility in altering peak current claims on listings. We print the actual, tested peak current directly on the product ensuring transparency and reliable performance. ## Frequently Bought Together - Portable Car Battery Jumper Starter 1000A Jump Box with Power Bank LED Light Protection Case for Car Emergency Kit, 12V Booster Pack Jump Starter with Heavy Duty Jump Cables, GREEN KEEPER GK-J1201 - LISEN Retractable Car Charger [69W USB C Car Charger Adapter] for iPhone 16 Car Charger Fast Charging, Travel Essential Gifts for Women Men, Car Accessories USBC Car Charger for iPhone 16 15 14, Gray - Govee Car LED Lights, Smart Car Interior Lights with App Control, RGB Lights with DIY and Music Mode, 2 Lines Design LED Lights for Cars with Car Charger, 12V --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/741550379-jump-starter-12-v-1-000-a-peak-500-start](https://www.desertcart.pt/products/741550379-jump-starter-12-v-1-000-a-peak-500-start) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-01*