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CTEK
MXS 5.0
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Best Car Battery Chargers · head-to-head
MXS 5.0 vs Digital 1200
A sourced, side-by-side comparison. MXS 5.0 is cheaper at —. Every spec and price links to its source.
OPTIMA
Digital 1200
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | MXS 5.0 | Digital 1200 |
|---|---|---|
| US price | — | — |
| Brand | CTEK | OPTIMA |
| Released | — | — |
| Max charge amps | 4.3 | 12 |
| Voltage support (V) | 12 | 12 |
| Battery chemistry | Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries | AGM and Flooded 12V lead-acid batteries, including OPTIMA RedTop/BlueTop/YellowTop and standard automotive/marine/motorcycle batteries |
| Modes | 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance | 6-stage fully automatic charging; Charging Quick-Set Selector (Engine Start/Aging, 12V High-Performance AGM, 12V Standard Flooded & AGM, Motorcycle/Auto/Marine) plus a separate Maintainer Quick-Set Selector (Battery Maintainer, Aux Maintainer up to 4A) |
| Waterproof rating | — | — |
| Reverse polarity protection | — | Yes |
| Display | LED indicator lights marking each of the 8 charging steps | Circular backlit LCD gauge (Volts DC, Amps DC, charge-stage text) with an LCD-backlight toggle |
| Temperature compensation | Yes | Yes |
Sources — MXS 5.0: manualslib.com (verified 2026-08-01). Digital 1200: manualslib.com (verified 2026-08-01).
What's the difference between the MXS 5.0 and Digital 1200?
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 Digital 1200 12
- Battery chemistry: MXS 5.0 Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries vs Digital 1200 AGM and Flooded 12V lead-acid batteries, including OPTIMA RedTop/BlueTop/YellowTop and standard automotive/marine/motorcycle batteries
- Modes: MXS 5.0 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance vs Digital 1200 6-stage fully automatic charging; Charging Quick-Set Selector (Engine Start/Aging, 12V High-Performance AGM, 12V Standard Flooded & AGM, Motorcycle/Auto/Marine) plus a separate Maintainer Quick-Set Selector (Battery Maintainer, Aux Maintainer up to 4A)
- Display: MXS 5.0 LED indicator lights marking each of the 8 charging steps vs Digital 1200 Circular backlit LCD gauge (Volts DC, Amps DC, charge-stage text) with an LCD-backlight toggle