For shops, fleets and enthusiasts who want a durable, repairable booster that lives on a charger. Drivers who want something for the car should get a lithium pack.
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.
| Model number | JNC770R |
|---|---|
| Starting | |
| Rated engines | Cars, trucks, SUVs and light commercial vehicles (no liter rating) |
| Peak amps (maker) | 1,700 A |
| Cranking amps | 425 A |
| Voltage | 12 V |
| Battery and charging | |
| Chemistry | Lead-acid (AGM) |
| USB outputs | USB-A 2.1 A and 1.1 A |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Weight | 23 lb |
| Warranty | 1 year |
| Released | 2016-07 |
For a garage or shop that wants a rugged booster with a tire inflator and doesn’t mind the weight. Most drivers are better served by a lighter lithium pack that holds its charge longer.
Amazon $169 Farm & Fleet $149.99For work trucks, diesels and boats that need a big pack with a 12 V output. The newer GBX155 rates higher and charges faster over USB-C, so compare prices first.
Amazon $299.95For drivers in mild climates who want a V8-capable pack with a case and accessories in the box. In winter climates, pick a pack rated well below freezing.
Amazon $134.77Compare the Clore Jump-N-Carry JNC770R with any other jump starter →
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