Ammonite System - ACCU Thermo Type 24 - SPECIAL

$1,273.00 USD

Ammonite System - ACCU Thermo Type 24 - SPECIAL

Reinforced construction for the most special demands

ACCU THERMO SPECIAL designed and built to withstand maximum operation depth up to 200 m. Functionality, reliability and intuitive operation as a regular ACCU THERMO. Efficiency up to 200 Watts heating power. The charging port of ACCU THERMO SPECIAL may be applied to connect any of Ammonite System lamp head.

Two power outputs

Every ACCU THERMO heating battery head contains two power outputs. One, secured with a protective plug, can supply an umbilical light and charge battery pack. Second- E/O cord is made to power heating gear only. Outputs differ in voltage, so misusing it may lead to damage to your equipment!

Extra durability and reliability

The casing is completely made of hard anodised, resistant to abrasion and any weather factors aluminum. The canister is sealed with two o-rings and equipped with a safety valve.

Intelligent solutions, advanced functions

LED Indicator - information on the battery status and charge level. Intelligent E/O - an electronic circuit protecting the contacts of a wet connector from damage. Intelligent E/O - "knows" when the cable is disconnected and when to cut off voltage, as well as when to bring back power supply after reconnecting.

Easy switching and effective power adjustment

Two-stage power control means effective power management, extending battery life. The magnetic switch position change is easy to feel, even when wearing thick diving gloves.

Safety for transport

The transport of lithium batteries is subject to international regulation which can differ if the batteries are transported by air, sea or road. All our lithium-ion (Li-Ion) batteries are compliant to UN Transportation Testing (UN/DOT 38.3) for Lithium Cells and Batteries and ensure the safety of your lithium batteries during shipping.


Since we only have one habitable planet, everyone has to play a part in protecting the environment. At Ammonite System, we are very much interested in preserving the environment, and we’re doing our part.  When deciding on boxes, bags, or containers, we have chosen to use recyclable cardboard packaging instead of plastic. Recyclable packaging is a great way to extend the life of previously used materials and positively impact sustainability. 


Every ACCU THERMO box includes a charger. 

capacity nominal 23.45 Ah
charge/discharge cycles 500-700
charger input voltage 100-240 V
charging time ~8 h
max. service depth 200
over pressure valve yes
rechargeable battery Li-Ion
total energy 242 Wh
voltage 10.95 V
material aluminium alloy – hard anodised
max. length 262 mm
max. diameter 66 mm
weight 1800 g
weight in water 1100 g

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