The NOCO Boost Plus GB40 (ASIN B015TKUPIC) is a 1000 peak amp lithium jump starter weighing just 1 lb with UltraSafe spark-proof clamp connections and USB-C PD recharging. Available on Amazon.ca, it starts gas engines up to 6L and fits in a jacket pocket, making it the most practical compact jump starter for everyday Canadian drivers.
| Peak Amps | 1000 peak amps |
| Compatible Engines | Gasoline engines up to 6L, diesel up to 3L |
| Recharge Time | Approximately 1 hour via USB-C PD |
| USB Output | USB-A 5V/2.1A for device charging |
| LED Light | 7-mode flashlight including SOS and strobe |
| Weight | 1.0 lb / 454g |
"Lives in my glovebox. I've jumped my own car twice, helped a stranger in a parking lot, and jumped my mother-in-law's minivan. Never had a failure. It's always charged when I need it."
Source: Amazon.ca reviewer
"My wife started our dead Civic at -18°C by herself in a mall parking lot. She'd never used a jump starter before. The UltraSafe means she couldn't do it wrong."
Source: Amazon.ca reviewer
"Replaced a 15-lb lead-acid jump starter with this. Same capability for most things, weighs nothing, fits in a jacket pocket. No comparison."
Source: Reddit r/MechanicAdvice
Cold weather performance drops sharply
Below -20°C, the lithium chemistry loses capacity noticeably. Prairie and northern Canada users report the GB40 struggling on very cold mornings and recommend warming it first or choosing the GB70 (with higher reserve capacity) for cold climates.
Source: Reddit r/AlbertaShort clamp cables for deep engine bays
The included clamp cables reach most batteries easily but some deep-buried batteries in SUVs and trucks require careful cable positioning. An extension cable is available from NOCO but sold separately.
Source: Amazon.ca reviewerNot powerful enough for larger diesels
Owners of diesel pickups with 6.7L engines report the GB40 insufficient—it attempts but cannot reliably crank the engine. The GB70 (2000A) is the correct unit for large diesel applications.
Source: Amazon.ca reviewerThe NOCO Boost Plus GB40 is the best compact jump starter for passenger car and compact SUV owners who want glovebox-size convenience with professional-grade safety. For most Canadian households with gas-engine vehicles under 6L, this is the one jump starter you need. The UltraSafe connection system makes it safe enough for anyone to use correctly on the first attempt. Get the GB70 if you own a diesel truck; get the GB40 for everything else.