Exceptional Value in Military-Grade Battery Technology. As battery specialists since 2010, we deliver competitive pricing on genuine EnerSys CYCLON pure lead batteries. The 0819-0012 provides premium 6V 2.5Ah power with guaranteed military-grade performance. Featuring clearly specified dimensions (4.48" × 1.81" × 2.75"), 99.99% pure lead spiral design in a rugged steel canister, and proven reliability in the harshest environments. This direct replacement for the discontinued 0819-1006 delivers trusted power at exceptional value.

• • EnerSys CYCLON 0819-0012 6V 2.5Ah Battery
• • D Cell Monoblock Configuration
• • Tab Terminals: .187" × .025" (4.75mm × 0.64mm)

Military & Emergency Applications:

• Military Equipment: Proven in the harshest battlefield conditions
• Emergency Systems: Critical backup power for proactive and reactive equipment
• Industrial Applications: Extreme temperature and vibration environments
• Medical Devices: Reliable power for life-critical equipment
• Communications: Uninterrupted power for vital communication systems

Direct Replacement For:

0819-1006 - This 0819-0012 is the current production replacement with identical specifications

For optimal performance, pair with our selection of 6V battery chargers designed for AGM batteries.

Q: Is this a genuine EnerSys CYCLON battery?
A: Yes, this is an authentic EnerSys CYCLON battery manufactured with 99.99% pure lead technology.

Q: Can this replace my 0819-1006 battery?
A: Yes, the 0819-0012 is the direct replacement for the discontinued 0819-1006 with identical specifications.

Q: What makes pure lead technology superior?
A: 99.99% pure lead provides the highest power density per unit weight, longer cycle life, and better performance in extreme temperatures compared to standard lead alloys.

Q: Can this battery operate in extreme cold?
A: Yes, CYCLON batteries operate from -40°C to +40°C, making them ideal for military and extreme environment applications.

Q: What is the expected service life?
A: The 0819-0012 delivers up to 300 cycles at 100% depth of discharge or up to 6 years standby life at 20°C.

Genuine EnerSys Battery Specialists Since 2010

With over a decade of experience supplying military-grade power solutions, we understand the critical importance of authentic, high-performance batteries. Our focus on genuine EnerSys products ensures you receive the proven reliability that CYCLON batteries are known for worldwide.

Expert Support for Critical Applications

Whether for military, emergency, or industrial applications, our battery specialists can help ensure you select the right power solution. Browse our complete selection of UPS batteries and emergency power solutions.

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• • View our complete sealed lead acid battery selection
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• • Explore high-performance powersport batteries

Experience Military-Grade Power Performance

The EnerSys CYCLON 0819-0012 delivers exceptional value with 99.99% pure lead construction and proven military-grade reliability. As the direct replacement for 0819-1006, this 6V 2.5Ah battery features guaranteed compatibility, extreme temperature operation (-40°C to +40°C), and up to 300 deep discharge cycles. From battery specialists since 2010, get authentic EnerSys quality with clearly specified dimensions housed in a rugged steel canister.