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CTEK
CTEK MXS 5.0
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Best Car Battery Chargers · head-to-head
CTEK MXS 5.0 vs Ampeak CGUFB2008 8A Smart Battery Charger
A sourced, side-by-side comparison. CTEK 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 | CTEK MXS 5.0 |  Ampeak CGUFB2008 8A Smart Battery Charger |
|---|---|---|
| US price | — | — |
| Brand | CTEK | Ampeak |
| Released | — | — |
| Max charge amps | 4.3 | 8 |
| Voltage support (V) | 12 | 6, 12 |
| Battery chemistry | Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries | Gel, AGM, and STD (standard flooded) lead-acid batteries |
| Modes | 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance | Selectable 6V-2A / 12V-2A / 12V-8A rates; 7-stage charging at 12V (desulfation, soft start, bulk, absorption, battery test, reconditioning, float) and 3-stage at 6V (bulk, absorption, float) |
| Waterproof rating | — | — |
| Reverse polarity protection | — | Yes |
| Display | LED indicator lights marking each of the 8 charging steps | Red 7-segment LED digital display (current/voltage) with status LEDs for charge status, battery reconditioning, reverse polarity, and capacity % |
| Temperature compensation | Yes | — |
Sources — CTEK MXS 5.0: manualslib.com (verified 2026-08-01). Ampeak CGUFB2008 8A Smart Battery Charger: manualslib.com (verified 2026-08-01).
What's the difference between the CTEK MXS 5.0 and Ampeak CGUFB2008 8A Smart Battery Charger?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Max charge amps: CTEK MXS 5.0 4.3 vs Ampeak CGUFB2008 8A Smart Battery Charger 8
- Voltage support (V): CTEK MXS 5.0 12 vs Ampeak CGUFB2008 8A Smart Battery Charger 6, 12
- Battery chemistry: CTEK MXS 5.0 Flooded/WET and Calcium (Ca/Ca) lead-acid, plus AGM batteries vs Ampeak CGUFB2008 8A Smart Battery Charger Gel, AGM, and STD (standard flooded) lead-acid batteries
- Modes: CTEK MXS 5.0 8-step fully automatic: desulfation, soft start, bulk, absorption, analyze, reconditioning (optional/selectable), float, pulse maintenance vs Ampeak CGUFB2008 8A Smart Battery Charger Selectable 6V-2A / 12V-2A / 12V-8A rates; 7-stage charging at 12V (desulfation, soft start, bulk, absorption, battery test, reconditioning, float) and 3-stage at 6V (bulk, absorption, float)
- Display: CTEK MXS 5.0 LED indicator lights marking each of the 8 charging steps vs Ampeak CGUFB2008 8A Smart Battery Charger Red 7-segment LED digital display (current/voltage) with status LEDs for charge status, battery reconditioning, reverse polarity, and capacity %