We are closed from 22th of december until 2nd of januar 2020. Orders during this period will be shipped from 3th of januar 2020.

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Battery 24 Ah Thermo

Torches, Battery packs, Battery packs
€ 909,00



Li-Ion Thermo battery pack of 24 Ah

The ACCU THERMO range batteries are a modern source of power supply for divers' heated clothing.

ACCU THERMO's switch on-off and the two-position performance controls are simple, intuitive and reliable.

The built-in LED indicator gives you information on the battery level, thanks to which you know exactly when the device needs charging.

What’s more, the ACCU THERMO range features the intelligent E/O system protecting connections from damage.


The ACCU THERMO range batteries are a modern source of power supply for divers' heated clothing. Built with use of high power lithium-ion cells, the devices feature a small and handy casing.

All ACCU THERMO solutions were developed in mind with simplicity, intuitive user experience and reliability.

The 18 and 24 Ah versions can be connected to a receiver operating at up to as much as 200 W.

An important functional feature of a battery for heating purposes, tied up to the harness belt, is the performance mode switch. It's not visible during the dive, so it must be easily felt, thus providing an opportunity to manually check which mode the device is operating in.

Switching on and power control are simple and fail-safe on all ACCU THERMO batteries.

We applied a magnetic switch whose properties are the same as those of a mechanical one, which allows the diver to easily feel the switch position, even when wearing thick gloves.

The solution, unlike piezoelectric or mechanical switches sealed with a rubber cap, is reliable, made to last and free of the risk of the casing getting unsealed.

The two-stage power control enables effective power management, thus extending the battery life.

ACCU THERMO gives you information on its battery level with a LED indicator located on the upper panel of the casing.

It's worth checking this level before another dive as thanks to this information you will always know if your battery is sufficiently charged (see the user's manual for more information).

The LED indicator will light green so that you are sure that the heated vest is properly connected.

Intelligent E/O is an useful function.

It's an electronic circuit protecting the contacts of a wet connector from damage caused by electrolysis.

Traditional cables with a wet connector are prone to frequent damage to contacts.

Intelligent E/O "knows" when a cable is disconnected and when to cut off voltage, as well as when to bring back power supply after reconnecting.

Technical specifications:

The ACCU THERMO range is intended to be used to supply power to divers' heated clothing requiring voltages of up to 12 V.

The combined maximum input power of receivers (undersuit, vest, gloves, and torch) for ACCU 18 Ah THERMO and ACCU 24 Ah is 200 W, with ACCU 10 Ah THERMO featuring 140 W power.

The THERMO range batteries feature two connection terminals at the top of the casing:

1. A terminal featuring a built-in cable with a wet E/O connector used to connect the heating. Equipped with an intelligent E/O system, the terminal features a two-stage (70% and 100%) performance control switch. I

2. A terminal used to charge the battery, which may be optionally applied to connect any Ammonite System® torch head.

Intelligent E/O is an electronic circuit protecting the contacts of a wet connector from damage caused by electrolysis. The process behind such damage takes place during the passage of current in water between the contacts of a standard connector when it's disconnected or unsecured with a protective cap.


As far as intelligent E/O goes, until the battery and a receiver, e.g. a heated vest, are connected, there's no voltage on the contacts of the E/O cord. Voltage is also automatically cut off once the cable is plugged out. In this way, no current passes between the contacts of the wet connector, preventing them from damage.


Labelled "LED indicator", The LED indicator is located at the top part of the battery casing. The LED light indicates the battery performance status and provides information on the current battery level.

When the battery is switched on, the indicator lights for four seconds in one of the following modes:

  • green, continuous: 75% – 100 % of charge capacity
  • green, intermittent: 50% – 75% of charge capacity
  • red, intermittent: 25% – 50%
  • red, continuous: less than 25%

Next, the LED switches to the operation ready mode – repeated two red flashes and one green – battery ready for operation – no receiver on the E/O output.

Once a receiver is connected and found, the E/O output becomes active and the indicator lights green.

Klanten geven Mega Diving B.V. gemiddeld een: 9.4