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CSB HRL12540W 12V 540W High Rate UPS Battery for Douglas DSU12-500

$399.95
SKU: DSU125001x
Availability: Request Quote For Availability
Shipping: Free shipping on orders $75 and up
Voltage: 12
Chemistry: AGM
Terminal: Threaded Insert
Features: Long Life
Capacity: 135 AH
Minimum Order Quantity: 4 Batteries
CSB HRL12540W 12V 540W High Rate UPS Battery for Douglas DSU12-500

CSB HRL12540W 12V 540W High Rate UPS Battery for Douglas DSU12-500

$399.95
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CSB HRL12540W 12V 540W High Rate UPS Battery for Douglas DSU12-500

Superior Replacement Battery with Enhanced Performance

UPGRADE YOUR POWER SOLUTION: The CSB HRL12540W is a premium 12V high-rate discharge battery specifically engineered for UPS applications requiring reliable backup power. This direct replacement for the Douglas DSU12-500 offers enhanced performance with 540W power capacity (vs. original 506W) and proven reliability for critical power protection.

At-a-Glance Comparison

Specification Original Douglas DSU12-500 Upgraded CSB HRL12540W
Watts 506W 540W
Length 13.40 in 13.50 in
Width 6.76 in 6.69 in
Height 10.80 in 10.85 in
Terminals 6mm Female Insert M6

Key Advantages of the CSB HRL12540W UPS Battery

The HRL series delivers exceptional performance for demanding UPS applications with these critical benefits:

  • Higher Power Output - 540W capacity ensures more backup runtime
  • Extended Service Life - Engineered for longevity in mission-critical applications
  • Rapid Recharge - Fast recovery after deep discharge events
  • Minimal Self-Discharge - Maintains power levels during storage
  • 100% Compatible Replacement - Direct drop-in for Douglas DSU12-500

Advanced AGM Technology Features

  • High-Compression Absorbent Glass Mat (AGM) technology with >99% recombination efficiency for maintenance-free operation
  • Heavy-Duty Copper Alloy Terminals for superior electrical conductivity and reduced maintenance
  • Heat-Sealed Case-to-Cover Bond ensures leak-proof reliability
  • Reinforced Sidewall Design maintains structural integrity under stress
  • Self-Resealing Safety Vents for trouble-free operation and enhanced safety

Complete Technical Specifications

Voltage 12V
Wattage 540W
Length 13.50 in (342.9 mm)
Width 6.76 in (171.7 mm)
Height 10.85 in (275.6 mm)
Weight 96.76 lbs (43.9 kg)
Terminal Type Threaded Insert M6
Short Circuit Current 3523A
Internal Resistance 2.60 milli-ohms

Warranty & Order Information

  • Guaranteed Reliability: One-year free replacement warranty backed directly by High-Tech Battery Solutions, Inc.
  • Order Quantity: Minimum order of four units
  • Bulk Orders: For larger quantities, contact our battery specialists through our Contact page with your quantity needs and delivery zip code
  • Expert Support: Receive a response from a live battery specialist within 24 hours

Frequently Asked Questions

Q: Is this a direct replacement for my Douglas DSU12-500?
A: Yes, the CSB HRL12540W is a 100% compatible replacement with improved specifications and performance.

Q: What applications is this battery designed for?
A: This battery is specifically engineered for UPS (Uninterruptible Power Supply) systems requiring high-rate discharge capabilities.

Q: How long will this battery last?
A: The CSB HRL12540W features extended service life compared to standard batteries, with superior deep discharge recovery.

Q: Is this battery maintenance-free?
A: Yes, the AGM technology provides maintenance-free operation with no need to add water or check electrolyte levels.

Ready to upgrade your UPS battery power? Order your CSB HRL12540W batteries today for enhanced performance and reliability.

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