What to know about NOCO GBX155
Why it stands out
Why we like it
It is a power pick, not a cold pick. No independent cold test exists, and it is rated to operate only down to -4°F.
What to know
Score breakdown
Ability to start a fully dead or deeply discharged battery on the intended engine size, including repeated back-to-back starts and cold-weather performance, as shown in independent tests (TechGearLab 3x rapid-start, Car and Driver dead-battery tests, Outdoor Life V8 tests).
Measured usable energy versus claimed, jumps per charge, standby charge retention and recharge speed.
Clamp quality and size, cable length and gauge, clarity of the display and indicators, spark-proof and reverse-polarity protection, and how easy the boost/override mode is to use.
Construction, water and dust resistance (IP rating), quality of cables and clamps, storage case, and warranty length.
Extra functions such as USB-C PD power bank, 12V DC output, air compressor, work light and alternator check.
Battery chemistry and fire risk, verified safety certification (UL 2743), CPSC recalls or warnings, Prop 65/lead content, replaceable batteries and parts, and end-of-life recyclability.
Performance and features delivered relative to typical street price.
NOCO GBX155 specs
Power
- Peak Current
- 4250 A
- Max Gas Engine (rated)
- 10 L
- Max Diesel Engine (rated)
- 8 L
Battery
- Battery Chemistry
- Lithium-ion
- Rated Capacity
- 99 Wh
- Measured Usable Capacity (TechGearLab)
- 86.1 Wh
Physical
- Weight
- 5.8 lb
- Water/Dust Rating
- IP65 (ports closed)
Features
- Built-in Air Compressor
- No
- Max USB Output
- 60 W
Cold Weather
- Min Operating Temperature (rated)
- -4 °F
- Automatic Cell Preheat for Extreme Cold
- No
Compare prices
Prices are checked periodically. Older amounts are labeled with their last verification date.
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| AmazonLowest | $369.95 $439.95 | In Stock | View deal |
| Walmart |
$369.95
Last verified Oct 27, 2026 — price may have changed |
Check at retailer | Check at retailer |
| Best Buy |
$369.95
Last known price — verified Oct 25, 2026; may have changed |
Check at retailer | Check at retailer |
Based on 6 retailer price observations captured during the last 90 days.