Victron Blue Smart IP65 12/5
#1 in Up to 5 AFull review
A premium maintainer for RV, boat and classic car owners who want app monitoring and lithium support with a long warranty.
NAZ Solar Electric $102.85$102.85
The Victron Blue Smart IP65 12/5 is the better battery charger overall, rated 4.4 to 4.1. The Victron Blue Smart IP65 12/5 leads on warranty and features. The NOCO GENIUS5 wins on value. The NOCO GENIUS5 costs $32.90 less ($69.95 vs $102.85).
NOCO GENIUS5
#2 in Up to 5 AFull review
The all rounder for most garages: fast enough to recover a flat car battery overnight and gentle enough to maintain a motorcycle all winter.
Amazon $69.95$69.95
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 Victron Blue Smart IP65 12/5 for warranty (5-year warranty vs 3-year warranty) and features (lithium mode, temperature compensation, repair mode, power supply mode vs lithium mode, temperature compensation, repair mode).
- Choose the NOCO GENIUS5 for value ($13.99 per amp ($69.95, 5 A) vs $20.57 per amp ($102.85, 5 A)).
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 | Victron Blue Smart IP65 12/5 | NOCO GENIUS5 |
|---|---|---|
| Overall rating | 4.4/5 | 4.1/5 |
| Value 35% | 53 $20.57 per amp ($102.85, 5 A) | 72 $13.99 per amp ($69.95, 5 A) |
| Charge current 20% | 100 5 A | 100 5 A |
| Features 25% | 100 lithium mode, temperature compensation, repair mode, power supply mode | 75 lithium mode, temperature compensation, repair mode |
| Warranty 20% | 100 5-year warranty | 50 3-year warranty |
Specifications
| Victron Blue Smart IP65 12/5 | NOCO GENIUS5 | |
|---|---|---|
| Charging | ||
| Charge current | 5 A | 5 A |
| Voltage | 12 V | 6/12 V |
| Largest battery | - | 120 Ah |
| Lithium mode | Yes | Yes |
| AGM mode | No | Yes |
| Temperature compensation | Yes | Yes |
| Repair mode | Yes | Yes |
| Power supply mode | Yes | No |
| Build | ||
| Ingress rating | IP65 | IP65 |
| Weight | 2 lb | 1.5 lb |
| Warranty | 5 years | 3 years |
| Released | - | 2019-11-08 |