NOCO Boost X GBX155
#15 in Heavy dutyFull review
For heavy-duty trucks, diesels, boats and fleets that need the most starting power in a lithium pack. Most car owners will be well served by something smaller and cheaper.
Amazon $369.95$369.95
2.6/5
For truck shops, fleets and farms that need to start 24 V diesel equipment as well as 12 V vehicles. Anyone with only 12 V vehicles should buy a lighter, cheaper booster.
- No liter ratingEngines
- 41.2 lbWeight
- 1 yearWarranty
Check price at Amazon$337.27
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts 24 V semi-trucks and equipment as well as 12 V vehicles
- Published 750 cranking and 525 cold-cranking amps at 12 V
- Heavy 2 AWG, 60-inch cables reach batteries on big rigs
- Digital display shows the vehicle battery voltage before you jump
Cons
- Very heavy at about 41 lb
- Can take up to 48 hours to recharge
- Costs far more than 12 V only boosters
- No light and only a basic USB port
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 | No liter rating | 2.8/5 | $161.77 |
| Schumacher DSR166 (this one) | 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 | DSR166 |
|---|---|
| Starting | |
| Rated engines | Cars, trucks, SUVs and 24 V semi-trucks (no liter rating) |
| Peak amps (maker) | 4,400 A |
| Cranking amps | 750 A |
| Cold cranking amps | 525 A |
| Voltage | 12/24 V |
| Battery and charging | |
| Chemistry | Lead-acid (AGM) |
| Recharge time | 48 hours |
| USB outputs | USB-A 2.1 A, 12 V DC outlet |
| Build | |
| Flashlight | No |
| Air compressor | No |
| Weight | 41.2 lb |
| Warranty | 1 year |
| Released | 2024-06 |
Alternatives in this engine size
Clore Truck PAC ES6000
#16 in Heavy dutyFull review
For diesel, marine and equipment shops that start large 12 V engines all day. It is far more than any personal vehicle needs.
Amazon $261.51$261.51
Clore Jump-N-Carry JNC1224
#18 in Heavy dutyFull review
For fleets, farms and heavy-equipment shops that start both 12 V and 24 V machines. It is far too heavy and costly for a personal vehicle.
Amazon $349.07$349.07
Compare
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