$39.97

HULKMAN Sigma 1 Amp Automatic Car Battery Charger and Maintainer

- Free 3-5 Business Days Shipping
- 1 Amp adaptive charging and five tailored charging modes
- Well-designed 2.7'' user interface screen displays up to 13 icons
- 9-Step Charge Optimizer ensures the correct level of power is sent to the battery
- Automatically detects and recovers battery sulfation and acid stratification
- Guarded by 5 smart system protections
- 36 months of hassle-free warranty and lifetime technical support

Choose your HULKMAN Sigma Car Battery Charger

HULKMAN Sigma 1 Amp Automatic Car Battery Charger and Maintainer

Sigma 1

Save $10 $39.97 $49.97

HULKMAN Sigma 5 Amp Automatic Car Battery Charger and Maintainer

Sigma 5

Save $20.02 $69.95 $89.97

$39.97

Supported payment types

Compare the Models

Sigma 1

Sigma 5

Sigma 10

2.7''
LED screen

Indicator

3.2''
LED screen

Indicator

4.2''
LED screen

Indicator

Small Vehicle

6V/12V Motorcycle, Car
Suited Vehicle Types

Small Vehicle

6V/12V Motorcycle, Car
Suited Vehicle Types

Large Vehicle

6V Deep Cycle Cell, 12V
Medium & Large Truck

Suited Vehicle Types

7 Modes

12V, 12V AGM, 6V, 6V AGM,
12V LITHIUM, 12V Loading (Force),
12V Repair

7 Modes

12V, 12V AGM, 6V, 6V AGM,
12V LITHIUM, 12V Loading (Force),
12V Repair

8 Modes

12V, 12V AGM, 6V, 6V AGM,
12V LITHIUM, 12V Loading (Force),
12V Repair, 12V Supply1

AGM

Lead-Acid, AGM, Lithium,
Wet, Gel, Maintenance-Free,
EFB & Calcium

Applicable
Battery-Chemistry

AGM

Lead-Acid, AGM, Lithium,
Wet, Gel, Maintenance-Free,
EFB & Calcium

Applicable
Battery-Chemistry

AGM

Lead-Acid, AGM, Lithium,
Wet, Gel, Maintenance-Free,
EFB & Calcium

Applicable
Battery-Chemistry

4Ah-32Ah(6V/12V)

Battery Capacity (full charge)

15-120Ah (12V Mode),
6-50Ah (6V Mode)

Battery Capacity (full charge)

30Ah-240Ah(6V/12V)

Battery Capacity (full charge)

100-240VAC
50-60Hz

Input

100-240VAC
50-60Hz

Input

100-240VAC
50-60Hz

Input

6V/12V, 1A

Output

12V, 5A; 6V, 1.8A

Output

6V/12V, 10A

Output

-20 to + 40

Operating Temperature

-20 to + 40

Operating Temperature

-20 to + 40

Operating Temperature

-40 to + 60

Storage Temperature

-40 to + 60

Storage Temperature

-40 to + 60

Storage Temperature

IP602

Ingress Protection

IP673

Ingress Protection

IP673

Ingress Protection

100×62×43mm
3.9''×2.4''×1.7''

Dimensions L×W×H

140×78×48mm
5.5''×3.1''×1.9''

Dimensions L×W×H

190×98×57mm
7.5''×3.8''×2.2''

Dimensions L×W×H

Sigma 1

Sigma 5

  • 2.7'' LED screen

    Indicator

  • Small Vehicle

    6V/12V Motorcycle, Car

    Suited Vehicle Types

  • 7 Modes

    12V, 12V AGM, 6V,
    6V AGM, 12V
    LITHIUM, 12V
    Force, 12V Repair

  • AGM

    Lead-Acid, AGM,
    Lithium, Wet, Gel, Ma
    intenance-Free,
    EFB & Calcium

    Applicable
    Battery-Chemistry

  • 4Ah-32Ah

    Battery Capacity
    (full charge)

  • 100-240VAC
    50-60Hz

    Input

  • 6V/12V, 1A

    Output

  • -20 to+40

    Operating
    Temperature

  • -40 to+60

    Storage
    Temperature

  • IP60

    Ingress Protection

  • 100×62×43mm 3.9''×2.4''×1.7''

    Dimensions L×W×H

  • 3.2'' LED screen

    Indicator

  • Small Vehicle

    6V/12V Motorcycle, Car

    Suited Vehicle Types

  • 7 Modes

    12V, 12V AGM, 6V,
    6V AGM, 12V
    LITHIUM, 12V
    Force, 12V Repair

  • AGM

    Lead-Acid, AGM,
    Lithium, Wet, Gel, Ma
    intenance-Free,
    EFB & Calcium

    Applicable
    Battery-Chemistry

  • 15-120Ah(12V Mode),
    6-50Ah(6V Mode)

    Battery Capacity
    (full charge)

  • 100-240VAC
    50-60Hz

    Input

  • 12V,5A;6V,1.8A

    Output

  • -20 to+40

    Operating
    Temperature

  • -40 to+60

    Storage
    Temperature

  • IP67

    Ingress Protection

  • 140×78×48mm
    5.5''×3.1''×1.9''

    Dimensions L×W×H

What's in the BOX?

HULKMAN

Sigma 1 Charger

Battery Clamps

Battery Eyelets

Battery
Eyelets

Manual & Warranty

Manual &
Warranty

  • 30-Day Return

  • Money-Back Guarantee

  • Secure Check

  • Free Shipping

  • 24-Month Warranty

  • 30-Day
    Return

  • Secure
    Check

  • Free
    Shipping

  • 24-Month
    Warranty

  • Money-Back
    Guarantee

HULKMAN Sigma 1 Amp Automatic Car Battery Charger and Maintainer
$39.97

Sigma 1

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