NOCO Boost Plus GB40 vs Boost HD GB70
The step up is mostly about diesel. NOCO rates the GB40 for diesel engines up to 3.0 liters and the GB70 up to 6.0, and the GB70 carries more than twice the battery (56 Wh against 24). It also weighs 4.18 lb against 2.45 lb.
Checked against sources on by the TrueAmps editorial team.
| Spec | Boost Plus GB40 | Boost HD GB70 |
|---|---|---|
| Gas engines up to | 6.0 L | 8.0 L |
| Diesel engines up to | 3.0 L | 6.0 L |
| Peak current | 1,000 A | 2,000 A |
| Internal battery | 24 Wh | 56 Wh |
| Weight | 2.45 lb | 4.18 lb |
| Safety listing | UL 2743 | UL 2743 |
Choose the Boost Plus GB40 if
Your engine is inside 6.0 L gas or 3.0 L diesel and you want the lighter unit (2.45 lb against 4.18).
See NOCO Boost Plus GB40 on Amazon (paid link)
Choose the Boost HD GB70 if
You drive a diesel between 3.0 and 6.0 liters or a gas engine up to 8.0 liters.
See NOCO Boost HD GB70 on Amazon (paid link)
Questions people ask
Should I get the GB40 or GB70 for a truck?
Check the engine size. NOCO rates the GB40 up to 6.0 L gas and 3.0 L diesel, and the GB70 up to 8.0 L gas and 6.0 L diesel.

