6PH-H-4/3A3600-S-D22 7.2v 3600mAh Ni-MH DSC IMPASSA 9057 Battery

Our review of the 6PH-H-4/3A3600-S-D22 rechargeable battery looks at who should choose this pack and why it matters for DSC IMPASSA 9057 owners. In short, this is a direct replacement designed for users who need a straightforward swap for a wireless security system battery. It delivers the expected 7.2 volt, 3600 mAh Ni-MH chemistry in a ready-to-install form, so installers and homeowners who value compatibility and an off-the-shelf fit will appreciate it. The bottom line: reliable specification matching with no fancy extras.

Key Features

• Exact Compatibility: Designed specifically as a direct replacement for DSC IMPASSA 9057 and marked 6PH-H-4/3A3600-S-D22, making installation simple and predictable.
• Rechargeable Ni-MH Chemistry: Uses nickel metal hydride cells so the pack can be recharged by the system without the disposal concerns of single-use cells.
• 3600 mAh Capacity: Provides a substantial capacity for longer run times between recharges compared with lower-capacity packs.
• 7.2 Volt Output: Matches the voltage required by compatible wireless security systems to maintain normal operation.
• Brand New Condition: Sold as a brand new replacement, removing uncertainty about prior use or reduced capacity.

Who It's For

The battery is best for homeowners, installers, and service technicians who maintain DSC IMPASSA 9057 wireless security systems and need a like-for-like replacement pack so equipment returns to service quickly. Its straightforward specification makes it a sensible choice when original-style performance and compatibility are the priorities.

Those who should look elsewhere include users seeking batteries with additional features such as integrated status indicators, extended warranties, or alternative chemistries like lithium replacements; this pack is a basic, compatible Ni-MH replacement rather than a feature-rich upgrade.

Pros & Cons

Pros

• Direct replacement design simplifies installation and reduces compatibility troubleshooting.
• High 3600 mAh capacity gives longer run time potential compared with smaller packs.
• Rechargeable Ni-MH chemistry supports standard security panel charging routines.
• Sold brand new to avoid wear-related capacity loss found in used batteries.

Cons

• Customer feedback is mixed on real-world battery life, so performance may vary by system age and usage.
• Does not include extra features such as smart diagnostics or visible charge indicators.

Specifications

Our Verdict

The 6PH-H-4/3A3600-S-D22 is a practical, no-frills replacement for DSC IMPASSA 9057 systems that restores expected voltage and capacity without surprises. For installers and homeowners who need a reliable, like-for-like Ni-MH pack, it represents solid value; however, those seeking longer proven runtimes or diagnostic features should consider alternatives.

Frequently Asked Questions

Will this battery fit my DSC IMPASSA 9057?
Yes, this pack is specified as a direct replacement for DSC IMPASSA 9057 and the listed model 6PH-H-4/3A3600-S-D22.

What chemistry does the pack use?
The battery uses nickel metal hydride (Ni-MH) cells and is intended to be recharged by the system.

How long will the battery last in service?
Actual run time varies with system load and age; customers report mixed experiences with battery life, so expect variation depending on your panel and usage.