Best Car Battery Chargers · head-to-head

DXAEC100 30A Battery Charger, Engine Starter & Maintainer vs CGUFB2008 8A Smart Battery Charger

A sourced, side-by-side comparison. DXAEC100 30A Battery Charger, Engine Starter & Maintainer 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 DXAEC100 30A Battery Charger, Engine Starter & Maintainer CGUFB2008 8A Smart Battery Charger
US price
BrandDEWALTAmpeak
Released
Max charge amps 30 8
Voltage support (V) 12 6, 12
Battery chemistry WET, GEL, and AGM 12V lead-acid batteries Gel, AGM, and STD (standard flooded) lead-acid batteries
Modes Battery charge (30A) / maintain (3A), 100A engine start, battery reconditioning (electric-pulse desulfation), alternator check, and battery voltage test 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 Blue backlit digital LCD (amps, battery/alternator status icons) with dedicated one-touch function buttons Red 7-segment LED digital display (current/voltage) with status LEDs for charge status, battery reconditioning, reverse polarity, and capacity %
Temperature compensation

Sources — DXAEC100 30A Battery Charger, Engine Starter & Maintainer: dewalt12volt.com (verified 2026-08-01). CGUFB2008 8A Smart Battery Charger: manualslib.com (verified 2026-08-01).

What's the difference between the DXAEC100 30A Battery Charger, Engine Starter & Maintainer and 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: DXAEC100 30A Battery Charger, Engine Starter & Maintainer 30 vs CGUFB2008 8A Smart Battery Charger 8
  • Voltage support (V): DXAEC100 30A Battery Charger, Engine Starter & Maintainer 12 vs CGUFB2008 8A Smart Battery Charger 6, 12
  • Battery chemistry: DXAEC100 30A Battery Charger, Engine Starter & Maintainer WET, GEL, and AGM 12V lead-acid batteries vs CGUFB2008 8A Smart Battery Charger Gel, AGM, and STD (standard flooded) lead-acid batteries
  • Modes: 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 vs 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: DXAEC100 30A Battery Charger, Engine Starter & Maintainer Blue backlit digital LCD (amps, battery/alternator status icons) with dedicated one-touch function buttons vs 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 %

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