Description
Description
The World’s First Serviceable 14.8V Jump Starter & High-Power DIY Power Bank Kit
⚠️ IMPORTANT NOTICES (PLEASE READ BEFORE PURCHASE)
- Batteries NOT Included: This product is a modular DIY kit. Users must provide their own high-rate 21700 batteries (discharge rate >17.5C) to achieve the stated performance.
- Shipping Weight: The total package weight for shipping is approximately 900g.
- Setup Requirements: Upon receiving the product, please thoroughly read the user manual or watch the installation video before assembly. Correct installation is crucial for safety.
- Warranty Policy: * A limited warranty covers non-human-caused hardware failures.
- Note: Short circuits or device damage caused by improper user handling (such as incorrect battery polarity or assembly errors) are NOT covered by the warranty.
Key Features (Value Propositions)
- Continuous Multi-Cycle Vehicle Starts: Unlike standard 12V units, our 14.8V (4S) architecture delivers explosive cranking power for reliable, repeated engine starts.
- Zero-Welding Modular Design: Featuring 8 independent 21700 battery bays. No spot welding required—just plug and play.
- Extreme Conductivity: Equipped with 16x 0.5mm ultra-thick nickel-plated red copper contacts. Achieves an industry-leading internal resistance of only ~0.22mΩ.
- Detachable, Serviceable, Expandable: Built for the long haul. Replace cells easily, maintain your device, and expand your runtime infinitely.
- 100W PD + 300W DC Ecosystem: True all-scenario fast charging for laptops, drones (DJI), and professional field equipment.
Technical Specifications
General Information
- Model: XM21300
- Chassis: Aviation-Grade 6063 Aluminum Alloy (Sandblasted & Anodized)
- Weight: 553.3g (Kit Only) | ~1077g (With recommended cells)
- Dimensions: 9.76 x 3.54 x 1.42 in (Excluding silicone straps or EC5 PORT)
- Operating Temperature: -20°C to 26°C (-4°F to 79°F)
Power Performance
| Interface | Type | Specification |
| USB-C1/C2 | In/Out | PD 100W (5V/9V/12V/15V/20V @ 5A) |
| USB-A | Out | 22.5W Max (Universal Fast Charge) |
| DC/XT30/XT60 | In/Out | 12V–16.8V(20A MAX) |
| EC5 Port | Out | 14.8V Nominal (140A MAX) |
Battery Requirements (Sold Separately)
- Cell Type: 8x 21700 Li-ion Cells (Ternary Lithium)
- Recommended Model: EVE INR21700 40PL (High-Rate Discharge)
- Configuration: 4S2P (4 Series, 2 Parallel)
- Full Voltage Range: 12.0V (0%) – 16.8V (100%)
Smart Operation & Safety
- Smart Interface: Integrated Voltmeter Switch (Independent from EC5 Port).
- Trickle Charge Mode: Double-click the tactile button to safely charge low-current devices (Earbuds/Watches).
- Smart Protocol Matching: Perfectly compatible with Apple, Samsung, Huawei, DJI, Insta360, and 99.99% of consumer electronics.
- Safety Warning: EC5 port is for Output Only. Never attempt to charge through the EC5 port.
Package Contents (What’s in the Box)
- 1x XM21300 300W Micro Power Station Kit (Batteries Not Included)
- 2x Anti-Slip Luminous Cyan Silicone Protection Straps
- 1x Heavy-Duty Pure Copper EC5 Jump Start Clamps
- 1x 3mm Precision Assembly Screwdriver
Stop buying “disposable” power banks. The XM21300 offers a professional-grade, sustainable power solution. Whether you are jump-starting a vehicle in the cold or powering a workstation in the field, this modular powerhouse is the last portable battery you will ever need to buy.
Additional information
Additional information
| Weight | 553.3 g |
|---|---|
| Dimensions | 9.96 x 3.54 x 1.54 in |
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