For full-size pickup and V8 owners who want a fast-charging pack that also tops up a laptop. Cold-climate buyers on a budget can get similar engine coverage from the GB70.
Amazon $249.95
For mechanics and fleet yards that start V8 trucks and diesels all day and want real cranking amp ratings. Too heavy for most drivers to carry in a car.
- No liter ratingEngines
- 18.7 lbWeight
- 1 yearWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Published 525 cranking and 350 cold-cranking amps, a rare honest rating
- Long 60-inch cables reach batteries in big trucks and awkward engine bays
- Digital display shows its own charge and the vehicle battery voltage
- Rust-proof case stands up to shop use
- Heavy at about 19 lb
- No light and only a basic 2.1 A USB port
- Needs recharging every 30 days in storage
- Recharging needs your own AC cord
The Schumacher DSR ProSeries family
Every Schumacher DSR ProSeries model we rank, smallest first. Ratings compare each against its own engine size.
| Model | Engines | Rating | Price |
|---|---|---|---|
| Schumacher DSR165 (this one) | No liter rating | 2.8/5 | $161.77 |
| Schumacher DSR166 | No liter rating | 2.6/5 | $337.27 |
How it scores
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.
Specifications
| Model number | DSR165 |
|---|---|
| Starting | |
| Rated engines | 8-cylinder gas and 6-cylinder diesel engines (no liter rating) |
| Peak amps (maker) | 2,200 A |
| Cranking amps | 525 A |
| Cold cranking amps | 350 A |
| Voltage | 12 V |
| Battery and charging | |
| Chemistry | Lead-acid (AGM) |
| USB outputs | USB-A 2.1 A, 12 V DC outlet |
| Build | |
| Flashlight | No |
| Air compressor | No |
| Dimensions | 12.9 x 5.5 x 16.7 in |
| Weight | 18.7 lb |
| Warranty | 1 year |
| Released | 2024-06 |
Alternatives in this engine size
For 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 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.
Amazon $164.99Compare
Compare the Schumacher DSR165 with any other jump starter →
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