Hulkman Alpha85 vs. GOOLOO A5: Which Jump Starter Belongs in Your Trunk?
When choosing a portable jump starter, finding the right balance of raw power, extra features, and ease of use is essential. Two popular models currently on the market are the Hulkman Alpha85 and the GOOLOO A5.
While both feature 20,000mAh (74Wh) battery capacities, they serve fundamentally different needs. The Hulkman Alpha85 focuses on rapid recharging and dedicated jump-starting performance, whereas the GOOLOO A5 is a versatile multi-tool equipped with an integrated 160 PSI air compressor.
Head-to-Head Comparison Table
| Feature | Hulkman Alpha85 | GOOLOO A5 |
| Peak Current | 2000A | 4000A |
| Engine Capability | Up to 8.5L Gas / 6.0L Diesel | All Gas / Up to 10.0L Diesel |
| Air Compressor | ❌ None | ✅ Built-in 160 PSI Auto-Off |
| Battery Capacity | 20,000 mAh (74Wh) | 20,000 mAh (74Wh) |
| Recharge Speed | 0%–80% in 1 hour (65W Fast Charge) | Standard USB-C Charging |
| Display | 3.3-inch LED Smart Screen | 2000-Nit Color LED |
| Outputs | USB-C PD18W, USB-A QC3.0, 15V/10A DC | Built-in 45W USB-C cable, USB-A |
| Durability / Rating | IP65 Weatherproof & Shock-Resistant | Standard rugged build |
| Weight | ~2.6 lbs | ~3.2 lbs |
Portable Jump Box
Jumper Starter for All Gas & 10L Diesel – 160 PSI Auto-Off Tire Inflator – 45W Output with Built-In Cable – LED Flashlight
Key Differences Breakdown
1. Cranking Power & Engine Coverage
GOOLOO A5: Delivers 4000A peak current, making it capable of turning over all gasoline engines and massive diesel engines up to 10.0L (ideal for heavy-duty pickup trucks like the Ram 3500 or Ford F-350).
Hulkman Alpha85: Delivers 2000A peak current, which handles up to 8.5L gas and 6.0L diesel engines—more than enough for virtually all passenger cars, SUVs, and light trucks.
2. Built-in Air Compressor
GOOLOO A5: Features a integrated 160 PSI air inflator with auto-shutoff presets. It can top off a standard sedan tire in under 30 seconds, eliminating the need to carry a separate air pump.
Hulkman Alpha85: Dedicated strictly to battery boosting and device charging—it does not include an air compressor.
2000A Battery Booster Pack with LED Display, Flashlight, 74Wh Power Bank & Jumper Cable, 12V Jump Box for up to 8.5L Gas & 6.0L Diesel, Cars, SUVs & Trucks
3. Recharge Speed
Hulkman Alpha85: Features 65W Speed Charge technology, enabling it to go from 0% to 80% in just 60 minutes (or reach 100% in 90 minutes). A quick 5-minute charge supplies enough power for a single emergency boost.
GOOLOO A5: Recharges via standard USB-C input. While slower to top up than the Hulkman, it includes a convenient built-in 45W USB-C output cable to fast-charge external laptops and phones.
4. Build Quality & Display
Hulkman Alpha85: Features an IP65 rating for water, dust, and shock resistance, along with an intuitive 3.3-inch digital display.
GOOLOO A5: Employs an ultra-bright 2000-nit sunlight-readable screen and a 400-lumen LED flashlight with up to 99 hours of runtime.
Summary Verdict: Which Should You Buy?
Choose the Hulkman Alpha85 if: You want a sleek, IP65 weatherproof unit that recharges quickly (65W fast charge) and provides simple, reliable jump-starting for standard passenger vehicles and light trucks.
Choose the GOOLOO A5 if: You prefer a comprehensive 2-in-1 roadside safety solution that handles both dead batteries and low tire pressure, or if you drive heavy diesel vehicles requiring up to 4000A of peak cranking power.