Schumacher Rugged SC1682
#3 in Up to 5 AFull review
A tough, weatherproof maintainer for anyone keeping lead acid or lithium batteries topped up outdoors or in a damp garage.
Amazon $59.99$59.99
The Schumacher Rugged SC1682 is the better battery charger overall, rated 4.0 to 3.9. The Schumacher Rugged SC1682 leads on value and charge current. The CTEK NXT 5 wins on warranty and features. The Schumacher Rugged SC1682 costs $65 less ($59.99 vs $124.99).
CTEK NXT 5
#4 in Up to 5 AFull review
A premium 4 A class charger and maintainer for owners who want lithium support and CTEK’s five year warranty in one compact unit.
Amazon $124.99$124.99
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 Schumacher Rugged SC1682 for value ($12 per amp ($59.99, 5 A) vs $29.07 per amp ($124.99, 4.3 A)) and charge current (5 A vs 4.3 A).
- Choose the CTEK NXT 5 for warranty (5-year warranty vs 3-year warranty) and features (lithium mode, temperature compensation, repair mode vs lithium mode, repair mode).
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 | Schumacher Rugged SC1682 | CTEK NXT 5 |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 35% | 80 $12 per amp ($59.99, 5 A) | 36 $29.07 per amp ($124.99, 4.3 A) |
| Charge current 20% | 100 5 A | 82 4.3 A |
| Features 25% | 50 lithium mode, repair mode | 75 lithium mode, temperature compensation, repair mode |
| Warranty 20% | 50 3-year warranty | 100 5-year warranty |
Specifications
| Schumacher Rugged SC1682 | CTEK NXT 5 | |
|---|---|---|
| Charging | ||
| Charge current | 5 A | 4.3 A |
| Voltage | 6/12 V | 12 V |
| Largest battery | - | 160 Ah |
| Lithium mode | Yes | Yes |
| AGM mode | No | Yes |
| Temperature compensation | No | Yes |
| Repair mode | Yes | Yes |
| Power supply mode | No | - |
| Build | ||
| Ingress rating | IP66 | IP65 |
| Weight | 0.7 lb | 1.3 lb |
| Warranty | 3 years | 5 years |
| Released | 2025-12 | 2025-11-11 |