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Wagan iOnBoost V8 Slim – Compact Power You Can Trust
The name “Slim” says it all—this model combines a sleek, streamlined look with true travel-ready portability. Weighing just 0.68 lbs, it’s easy to store in your glove box or backpack, But don’t let its slim profile fool you—it delivers up to 1200 peak amps of starting power, capable of jump starting vehicles with up to 4.0L V8 gasoline engines. In addition to jump starting, it also features a built-in LED flashlight for added visibility in emergencies, and a power bank function to keep your phone or small devices charged on the go. From daily commutes to roadside surprises, Wagan iOnBoost V8 Slim keeps you prepared without weighing you down.
Reliable Jump Starting, When You Need It Most
The iOnBoost V8 Slim is built to deliver dependable starting power when your vehicle’s battery lets you down. On a full charge, it can jump start a 3.0L gasoline engine up to 15 times, making it a practical and trustworthy solution for daily use and roadside emergencies alike. With an operating temperature range from -4°F to 131°F, it’s ready to perform even in cold weather conditions. This compact jump starter helps get you back on the road quickly and safely.
More Than Just a Jump Starter
The Wagan iOnBoost V8 Slim is more than a powerful jump starter—it also functions as a reliable 8000mAh portable power bank, equipped with a USB-A output (5V/2.1A) to charge your smartphone, tablet, or other small electronic devices wherever you go. Whether you're on a road trip, camping, or stuck in an emergency, it helps keep your devices powered and connected.
Built-In LED Light for Emergency Visibility
To further support you in low-light situations, Wagan iOnBoost V8 Slim also features a built-in LED flashlight with three modes—Solid, Strobe, and SOS—providing added visibility and peace of mind during nighttime breakdowns, roadside emergencies, or power outages.
Built for Safe, Worry-Free Use
You don’t need to be a mechanic to use this tool safely. Wagan iOnBoost V8 Slim features 10 layers of intelligent protection, including:
- Over-current protection
- Overheat protection
- Over-discharging protection
- Over-voltage protection
- Over-charging protection
- Short-circuit protection
- Reverse charging protection
- AI software protection
- Reverse polarity protection
- Ultimate low electricity consumption protection
The smart jumper cables offer clear visual and audible alerts in case of incorrect connections - ensuring safe, error-free use every time.



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- Battery Type: Lithium-ion polymer
- Battery Capacity: 14.8V 29.6Wh
- Peak Amps:1200 A
- Starting Amps:250 A
- Capability: Up to 4.0L V8
- Jumper Cable Gauge: 10AWG, 10 in
- Charging Cable Length: 3.3 ft (40 in)
- Input: USB-C 5V, 2A
- Output: USB-A 5V, 2.1A
- Flashlight: LED with 3 lighting modes (solid, strobe, SOS)
- Charging Time: 3.5 hours
- Battery Status Indicator: 4-stage indication
- Operating Temperature: -4℉ - 131℉
- Storage Temperature: -4°F–140°F
- Charge Temperature: 32℉~131℉
- Built-in Safety: Protection against over-current, over-heat, over-discharging, over-voltage, over-charging, short-circuit, AI software issues, reverse charging, reverse polarity, and ultimate low electricity consumption.
- Dimensions: 5.8 × 3 × 0.9 in.
- Weight: 0.68 lbs
What's Included:
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- iOnBoost V8 Slim
- Smart jumper cables
- Manual
- Storage pouch
- USB-C charging cable
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Warranty: 1 year