Two models, one table
Each comparison puts two models' published ratings side by side and says which one fits which job.
- GB20 vs GB40
NOCO GB20 vs GB40 on NOCO's own specs: both hold 24 Wh, but the GB40 is rated for 6.0 L gas and 3.0 L diesel against 4.0 L gas and no diesel.
- GB40 vs GBX45
NOCO GB40 vs Boost X GBX45: 1,000 A and 24 Wh against 1,250 A and 31 Wh, diesel 3.0 L against 4.0 L, and USB-C up to 60 W on the GBX45.
- GB40 vs GB70
NOCO GB40 vs GB70: 6.0 L gas and 3.0 L diesel against 8.0 L gas and 6.0 L diesel, 24 Wh against 56 Wh. The diesel rating is what separates them.
- GB70 vs GBX75
NOCO GB70 vs Boost X GBX75: 2,000 A, 56 Wh, 8.0/6.0 L against 2,500 A, 74 Wh, 8.5/6.5 L, and 4.18 lb against 3.77 lb. Only the GB70 lists a 12 V output.
- GB150 vs GBX155
NOCO GB150 vs Boost X GBX155: 3,000 A, 88 Wh, 9.0/7.0 L against 4,250 A, 99 Wh, 10.0/8.0 L. NOCO lists the GBX155 about half a pound lighter.
- GENIUS1 vs GENIUS2
NOCO GENIUS1 vs GENIUS2: 1 A and 30 Ah against 2 A and 40 Ah. The GENIUS2 charges twice as fast and adds a mounting bracket and IP65.
- GENIUS5 vs GENIUS10
NOCO GENIUS5 vs GENIUS10: 5 A up to 120 Ah against 10 A up to 230 Ah. A 100 Ah battery from half charge takes about 15 h against 7.5 h.
- GENIUS1 vs Battery Tender Junior
Two small maintainers compared on maker specs: NOCO GENIUS1 (1 A, 6 V and 12 V, up to 30 Ah) and Battery Tender Junior Multi-Chemistry (12 V, 1 A).