Battery Backup v2.0

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Discontinued by Bulk Reef Supply
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Battery backup modules are one of the best investments any serious hobbyist can purchase. 

The IceCap Battery backup system is compatible with most 12-24 volt DC powered pumps, most notably the MaxSpect Gyre and IceCap Gyre pumps, as well as the Reef Octopus Octo Pulse and VarioS pumps.


Power outages will happen every now and then, and unless your system has a generator as a backup, the next best thing is a battery backup for your powerheads.  After a power outage within as little as 2 hours dissolved oxygen levels can start to deplete, which will usually result in loss of valuable fish and corals.  By keeping water moving and encouraging gas exchange at the surface of the aquarium, days can go by without needing to worry about depleting oxygen levels in the tank.  The battery backup will be able to automatically turn on when power is lost to the pumps. 



  • No more loud battery powered air stones
  • Connect multiple for longer run times
  • Provides power for up to 2 pumps
  • Featuers a 24V battery for wider pump compatibility
  • Compatible with most 12-24 volt pumps from brands like Maxspect, IceCap, and Reef Octopus.
  • Automatic operation
  • Keeps a single flow pump running ~35 hours* after a power loss
  • You can connect two battery backups together to double the run time
  • Compact and attractive form factor
  • Power supply & pump adapters included

*Note: This is an average run-time based on 50w at 30% power single pump/single power cell. Depending on the pump and pump controller you are using, the pump may not slow down during a power loss when the battery backup is activated as you might expect with a 12V battery (this is a 24V battery).



  • DC Charger: Input: 100V to 240V 50/60Hz |  Output: 27V 600MA
  • Main Unit DC: Output: 24V x 2.5A max |  Input: 27V 1A max
  • Fuse: 250V 10A 5x20mm fast blow
  • Size: 5.75in x 5in x 3.125in (WxLxH)


Whats Included?

  • Battery Backup Module
  • Battery Charger
  • Power Adapters
  • User Guide


User Instructions

More Information
UPC 851220007221
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Product Questions

Hi, just wanted to clarify, will this battery backup work with an AI nero pump? If so, do you know what kind of run time I can expect from it? Thanks!
Question by: John on Apr 6, 2020, 8:13 AM
Hi John,

As of today I do not believe the AI Nero offers any battery back up support.
I have contacted AI to confirm this and will update if I hear different.

As for compatability, Icecap has listed the MaxSpect Gyre and IceCap Gyre pumps, as well as the Reef Octopus Octo Pulse and VarioS pumps.

I hope this help, happy reefing!
Answer by: Nick on Apr 9, 2020, 1:07 PM
Can u plug heaters into these?
Question by: Jay Spector on Apr 2, 2020, 10:26 PM
Hey there-

Thank you for reaching out to us! The icecap battery backup is not compatible with heaters.

Take care!
Answer by: Brad Ohmann on Apr 3, 2020, 9:18 AM
Will this work with EcoTech Marine Vortech MP40's?
Question by: Bob on Apr 2, 2020, 1:29 PM
hi there,

It will not work on EcoTech.

Take care
Answer by: Thomas Billington on Apr 2, 2020, 4:25 PM
Will this work with the Ecotech products
Question by: Chip on Apr 2, 2020, 12:49 PM
Hi there,

Unfortunately it will not.

Take care
Answer by: Thomas Billington on Apr 2, 2020, 4:25 PM