Imported goods

Li-ion Battery (SubCtech GmbH)

Li-ion Battery (SubCtech GmbH)

Li-ion Battery (SubCtech GmbH)

SubCtech GmbH is a team with over 30 years of subsea and marine technology experience and continues to provide underwater technology, subsea solutions, and marine monitoring systems.

SubCtech’s Li-ion rechargeable battery is optimized for marine use and is built in a titanium pressure-resistant container for depths of up to 6000m.

The batteries can be recharged with a dedicated charger without removing the pressure-resistant container and can be used repeatedly.

For more information, Please visit SubCtech’s page:https://subctech.com/

Product name Long-John Big-Jim Big-JimXL
Voltage/Capacity

*with optional “A” cell

14.4V-46Ah/60Ah*

25.2V-26/33Ah*

46.8V-16Ah/20Ah*

50.4V-16Ah/20Ah*

14.4V-140Ah/180Ah*

14.4V-172Ah

25.2V-70Ah/90Ah*

46.8V-33Ah/43Ah*

50.4V-33Ah/43Ah*

14.4V-280Ah/361Ah*

14.4V-344Ah

25.2V-140Ah/181Ah*

46.8V-70Ah/90Ah*

50.4V-70Ah/90Ah*

Diameter (mm) 90 168/180 168/180
Length (mm) 512 372/390 638/630
Weight (kg) Air:8.5 , Sea water:5 Air:17/25,

Sea water:9/15

Air:30/42,

Sea water:15/25

Housing Corrosion-free titanium, 300 m – full ocean depth, Customizing on request
Operation temperature (℃) -20 – +60
Chargeing temperature (℃) 0 – +45
Storage temperature(short time) (℃) -20 – +60
Self-discharge >300 cycles for 80% remaining capacity, optional 3000+ cycles with special conditioning BMS
Protection Overcharge, Deep discharge, Current limit, Overheating