NOCO GENIUS2
#9 in Up to 5 AFull review
A weatherproof maintainer for motorcycles, ATVs and cars in storage that also handles lithium batteries. Owners of big truck or RV batteries should step up to a GENIUS5 or GENIUS10.
Amazon $49.95$49.95
The NOCO GENIUS2 is the better battery charger overall, rated 3.2 to 2.2. The NOCO GENIUS2 leads on features and warranty.
DeWalt DXAEC2
#18 in Up to 5 AFull review
A basic 2 A maintainer for a stored lead acid car, mower or motorcycle battery. Buyers wanting lithium support or a repair mode should look elsewhere.
Amazon $49.98$49.98
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the NOCO GENIUS2 for features (lithium mode, temperature compensation, repair mode vs none of the four) and warranty (3-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 5 A battery charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | NOCO GENIUS2 | DeWalt DXAEC2 |
|---|---|---|
| Overall rating | 3.2/5 | 2.2/5 |
| Value 35% | 43 $24.98 per amp ($49.95, 2 A) | 43 $24.99 per amp ($49.98, 2 A) |
| Charge current 20% | 25 2 A | 25 2 A |
| Features 25% | 75 lithium mode, temperature compensation, repair mode | 0 none of the four |
| Warranty 20% | 50 3-year warranty | 0 1-year warranty |
Specifications
| NOCO GENIUS2 | DeWalt DXAEC2 | |
|---|---|---|
| Charging | ||
| Charge current | 2 A | 2 A |
| Voltage | 6/12 V | 6/12 V |
| Largest battery | 40 Ah | - |
| Lithium mode | Yes | No |
| AGM mode | Yes | No |
| Temperature compensation | Yes | No |
| Repair mode | Yes | No |
| Power supply mode | No | No |
| Build | ||
| Ingress rating | IP65 | - |
| Weight | 1.1 lb | 1.7 lb |
| Warranty | 3 years | 1 year |
| Released | 2019-11-08 | 2022-02 |