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CTEK
MXS 5.0
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Best Car Battery Chargers · head-to-head
MXS 5.0 vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer
A sourced, side-by-side comparison. MXS 5.0 is cheaper at —. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | MXS 5.0 |  DXAEC100 30A Battery Charger, Engine Starter & Maintainer |
|---|---|---|
| US price | — | — |
| Brand | CTEK | DEWALT |
| Released | — | — |
| Max charge amps | 4.3 | 30 |
| Voltage support (V) | 12 | 12 |
| Battery chemistry | Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries | WET, GEL, and AGM 12V lead-acid batteries |
| Modes | 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance | Battery charge (30A) / maintain (3A), 100A engine start, battery reconditioning (electric-pulse desulfation), alternator check, and battery voltage test |
| Waterproof rating | — | — |
| Reverse polarity protection | — | — |
| Display | LED indicator lights marking each of the 8 charging steps | Blue backlit digital LCD (amps, battery/alternator status icons) with dedicated one-touch function buttons |
| Temperature compensation | Yes | — |
Sources — MXS 5.0: manualslib.com (verified 2026-08-01). DXAEC100 30A Battery Charger, Engine Starter & Maintainer: dewalt12volt.com (verified 2026-08-01).
What's the difference between the MXS 5.0 and DXAEC100 30A Battery Charger, Engine Starter & Maintainer?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Max charge amps: MXS 5.0 4.3 vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer 30
- Battery chemistry: MXS 5.0 Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer WET, GEL, and AGM 12V lead-acid batteries
- Modes: MXS 5.0 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer Battery charge (30A) / maintain (3A), 100A engine start, battery reconditioning (electric-pulse desulfation), alternator check, and battery voltage test
- Display: MXS 5.0 LED indicator lights marking each of the 8 charging steps vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer Blue backlit digital LCD (amps, battery/alternator status icons) with dedicated one-touch function buttons