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Liters Not Amps: product guides
Read the full Liters Not Amps buying guide.
| Product | Best for | Main strength | Main caveat |
|---|---|---|---|
| NOCO Boost GB20 500A 12V Lithium Jump Starter | Gas engines up to 4.0 litres, motorcycles and powersport | Spark-proof and reverse-polarity protection in normal use, with an IP65 housing | NOCO's own spec sheet lists diesel as Not Recommended, and gas only to 4.0 L |
| NOCO Boost GB40 1000A 12V Lithium Jump Starter | Gas engines to 6.0L and diesels to 3.0L on 12V lead-acid | Spark-proof and reverse-polarity protection in normal use, plus an IP65 housing | Manual override disables both safety protections and can push up to 1000 amps |
| NOCO Boost X GBX75 2500A 12V Lithium Jump Starter | Gas engines to 8.5L and diesels to 6.5L on 12V lead-acid | Rated for diesel up to 6.5 litres as well as 8.5-litre gas engines | Manual override disables the protections and the 60-second timeout together |
| GOOLOO GP4000 4000A 12V Jump Starter | Larger gas and diesel engines, plus 12V accessory power | Smart cable reads out connection, reverse polarity and low voltage on one light | Three published battery capacities for one model: 74Wh, 99.2Wh and 24000 mAh |
| GOOLOO A3 3000A Jump Starter with Air Compressor | One glovebox tool for a flat battery and a soft tire | Jump starter and a 150 PSI auto-stop inflator in one body, with five preset modes | Guide's storage range (14-113°F) is far narrower than the -4 to 140°F advertised |
See every side-by-side comparison.
- NOCO Boost GB20 500A 12V Lithium Jump Starter
NOCO GB20 guide: 500 A peak for gas engines to 4.0L, diesel not recommended, powersport clamps, the five-starts rule and what manual override switches off.
- NOCO Boost GB40 1000A 12V Lithium Jump Starter
NOCO GB40 guide: 1000 A peak for 6.0L gas and 3.0L diesel, the five-starts-in-fifteen-minutes rule, what manual override disables, and the RMA warranty condition.
- NOCO Boost X GBX75 2500A 12V Lithium Jump Starter
NOCO GBX75 Boost X guide: 2500 A for 8.5L gas and 6.5L diesel, the 60-second boost timer, 60W USB-C charging, cold and hot lockouts, and warranty conditions.
- GOOLOO GP4000 4000A 12V Jump Starter
GOOLOO GP4000 guide: 4000 A peak for gas and 10L diesel, a three-start limit with two-minute gaps, a 30-minute cool-down, and two maker capacity figures.
- GOOLOO A3 3000A Jump Starter with Air Compressor
GOOLOO A3 guide: 3000 A for 9.0L gas and 6.5L diesel, a three-start limit with two-minute gaps, the 150 PSI inflator, storage temperature and warranty conflicts.