Sigma 1 Universal
Automatic Charge
Multi-Voltage

Multi-Chemistries

Multi-Device
Sigma 1: Best suited for small vehicles and to
maintain batteries

Sigma 1: 4Ah-32Ah batteries with
over-charge protection
Automatically remembers last
selected mode.2
STRONGER & LONGER
LASTING BATTERIES3
The charger that
knows your battery4
charge input through as many as 9 stages for longer
lasting batteries
The charger that knows your battery4
charge input through as many as 9 stages for longer
lasting batteries
Leave it in all day and
night for a trickle charge.
battery healthily fully charged.
Leave it in all day and
night for a trickle charge.
battery healthily fully charged.
DETECT AND REPAIR
DEAD BATTERIES.
SUPER STRONG 12V MODES TO RECOVER EVEN THE
OLDEST BATTERIES
Two super strong 12V
modes to recover even the
oldest batteries.
12V Super Repair Mode
Desulfation for longer
lasting batteries.

12V Force Charge Mode
5-minute charge recovery
from down to 0.3V
12V Super Repair Mode
Desulfation for longer
lasting batteries.

12V Force Charge Mode
5-minute charge recovery
from down to 0.3V
360°
BAD BATTERY DIAGNOSIS
Don’t let a single bad
battery get away.
and batteries that cannot hold voltage
FAST AND EASY
OPERATION
Visually monitor your charger’s
every status through its 2.7″ LED
screen.
Visually monitor your charger’s
every status through its 2.7″ LED screen.

Battery Voltage
Clear voltage
level indications
7 Mode Indicators
6V | 6V AGM | 12V | 12V
AGM | 12V Lithium | 12V
Repair | 12V Force

Charge Status
25% | 50% | 75% | 100%

4 Error Indicators
High-Temp | Bad
Battery | Over Voltage |
Reverse Polarity
HULKMAN SAFETY & QUALITY

Reverse Polarity Protection
Short Circuit Protection

High-Temp Protection
Over-Voltage Protection
Over-Current protection
0 SPARK

HULKMAN Sigma 1 Charger

Battery Clamps

Battery Eyelets

Manual & Warranty
All your devices that carry 6V/12V typical lead-acid or lithium batteries, including motorcycles, passenger cars, SUVs, trucks, ATVs, PWCs, boats, etc.
Sigma battery chargers will automatically remember the last selected mode after a power outage and return to this mode in next use. This memory function covers 6V, 6V AGM, 12V, 12V AGM, and 12V lithium modes, 12V repair and 12V loading modes are not included.
With HULKMAN Charging Technology, Sigma battery chargers will optimize the battery performance to some extent, which depends on aging and damage degree of batteries.
Sigma battery chargers know batteries status by dynamic battery tracking and then output appropriate voltage and current the batteries need.
360°” is a figurative description of multi-dimension diagnosis based on voltage and current.
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