10 Amp 6V&12V Battery Charger
AND Maintainer
Multi-Voltage
Multi-Device
Multi-Voltage
10 Amp 6V & 12V Battery Charger
AND Maintainer
Universal Charging for 30~240Ah Batteries
The Professional
Charging Solution
Universal Charging for 30~240Ah Batteries
9 Steps Charging Programs
Complete 9 steps are charging programs to optimize the charging process and avoid
damaging the battery.
Multi-Mode Memory1
Automatically remembers last selected mode.
Year-around
Maintaining2
Year-around charing without any intervene
for a non-stop maintaining experience.
12V Power Supply
The Sigma 10 can also work as a 12V power supply to power 12V devices
like car vacuums and air compressors.
Don't let a single bad
battery get away
Complete bad battery detection for super low voltage batteries
and batteries that cannot hold voltage.
Restore Weak Battery3
12V repair mode removes battery sulfation and to restore lost
battery performance for stronger engine starts and extended battery life.
Charge the Deadest Batteries
12V Force Charge mode allows you to take full control to charge the
battery as low as 0.3 volts.
Impressive 4.2''
Screen
Charge status in a glance, shows
the current/voltage of the battery and
indicates misoperation.
Battery Voltage
Clear voltage
level indications
Charge Status4
25% | 50% | 75% | 100%
8 Mode Indicators
6V | 6V AGM | 12V | 12V
AGM | 12V Lithium | 12V
Repair | 12V Loading(Force) | 12V Supply
4 Error Indicators
High-Temp | Bad
Battery | Over Voltage |
Reverse Polarity
IP67 WATER &
DUST RESISTANT
Weather proof for long lasting durability
HUKMAN
Safety & Quality
Reverse Polarity
Protection
Short Circuit
Protection
High-Temp
Protection
Over-Voltage
Protection
Over-Current
protection
0 SPARK
Mount it to Wall
What’s In The Box
Battery Eyelets
Battery Clamps
Sigma10 Charger
Cigarette Lighter
Female Socket
Manual & Warranty
Bracket & Screws
What’s In The Box
Battery Eyelets
Battery Clamps
HULKMAN
Sigma10 Charger
Cigarette Lighter
Female Socket
Manual & Warranty
Bracket & Screws
  1. 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.

  2. With a 9-step charging process, HULKMAN Sigma 10 battery charger can safely maintain a battery for a long period, even all year round. But it's not recommended to leave the charger unattended.

  3. With HULKMAN Charging Technology, Sigma battery chargers will optimize the battery performance to some extent, which depends on aging and damage degree of batteries.

  4. In "12V, 12V AGM, 12V Lithium, 6V, 6V AGM, 12V Loading" mode, this icon Indicates the connected battery level. The four bars from bottom to top indicate battery levels from 25% to 100%. In "12V Repair" mode, these four bars from bottom to top indicate a repair time of 1h to 4h. Flashing bars change to constant bars when the most recent stage is completed.

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