# MXS 5.0 vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer: specs and price compared

A sourced, side-by-side comparison of the MXS 5.0 (CTEK) and DXAEC100 30A Battery Charger, Engine Starter & Maintainer (DEWALT) among car battery chargers.

## Side by side

| Spec | MXS 5.0 | DXAEC100 30A Battery Charger, Engine Starter & Maintainer |
| --- | --- | --- |
| US price | not published | not published |
| Brand | CTEK | DEWALT |
| 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 | — |

## Key differences

- 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

## Sources

- MXS 5.0: https://www.manualslib.com/manual/1400602/Ctek-Mxs-5-0.html (manualslib.com, verified 2026-08-01)
- DXAEC100 30A Battery Charger, Engine Starter & Maintainer: https://www.dewalt12volt.com/dxaec100 (dewalt12volt.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/car-battery-chargers/ctek-mxs-5-0-vs-dewalt-dxaec100/
Cite: Per The Front Desk Review, MXS 5.0 (not published) vs DXAEC100 30A Battery Charger, Engine Starter & Maintainer (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-battery-chargers/ctek-mxs-5-0-vs-dewalt-dxaec100/
License: CC BY 4.0.