# MXS 5.0 vs SC1281 6/2/30/100A Charger & Engine Starter: specs and price compared

A sourced, side-by-side comparison of the MXS 5.0 (CTEK) and SC1281 6/2/30/100A Charger & Engine Starter (Schumacher) among car battery chargers.

## Side by side

| Spec | MXS 5.0 | SC1281 6/2/30/100A Charger & Engine Starter |
| --- | --- | --- |
| US price | not published | not published |
| Brand | CTEK | Schumacher |
| Max charge amps | 4.3 | 12 |
| Voltage support (V) | 12 | 6, 12 |
| Battery chemistry | Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries | Standard (flooded), AGM, Gel, and Deep-Cycle lead-acid batteries |
| Modes | 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance | 5-in-1: battery charger (2/6/12A continuous, multi-stage, microprocessor-controlled), battery maintainer, 30A boost/rapid charge, 100A engine start, plus built-in battery and alternator testing |
| Waterproof rating | — | — |
| Reverse polarity protection | — | Yes |
| Display | LED indicator lights marking each of the 8 charging steps | Red 7-segment LED digital readout plus indicator lights for rate selection, battery type, and a clamps-reversed warning |
| Temperature compensation | Yes | — |

## Key differences

- Max charge amps: MXS 5.0 4.3 vs SC1281 6/2/30/100A Charger & Engine Starter 12
- Voltage support (V): MXS 5.0 12 vs SC1281 6/2/30/100A Charger & Engine Starter 6, 12
- Battery chemistry: MXS 5.0 Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries vs SC1281 6/2/30/100A Charger & Engine Starter Standard (flooded), AGM, Gel, and Deep-Cycle lead-acid batteries
- Modes: MXS 5.0 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance vs SC1281 6/2/30/100A Charger & Engine Starter 5-in-1: battery charger (2/6/12A continuous, multi-stage, microprocessor-controlled), battery maintainer, 30A boost/rapid charge, 100A engine start, plus built-in battery and alternator testing
- Display: MXS 5.0 LED indicator lights marking each of the 8 charging steps vs SC1281 6/2/30/100A Charger & Engine Starter Red 7-segment LED digital readout plus indicator lights for rate selection, battery type, and a clamps-reversed warning

## Sources

- MXS 5.0: https://www.manualslib.com/manual/1400602/Ctek-Mxs-5-0.html (manualslib.com, verified 2026-08-01)
- SC1281 6/2/30/100A Charger & Engine Starter: https://www.schumacherelectric.com/products/6-2-30-100a-6v-12v-charger-engine-starter/ (schumacherelectric.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/car-battery-chargers/ctek-mxs-5-0-vs-schumacher-sc1281/
Cite: Per The Front Desk Review, MXS 5.0 (not published) vs SC1281 6/2/30/100A Charger & Engine Starter (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-battery-chargers/ctek-mxs-5-0-vs-schumacher-sc1281/
License: CC BY 4.0.