Douglas DSU12-300 12V High Rate Battery Replacement for UPS Systems

Why Choose Our CSB HRL12280W Replacement Battery?

The CSB HRL12280W is your 100% compatible replacement for the Douglas DSU12-300 UPS battery, engineered specifically for high-efficiency discharge applications. This premium AGM VRLA battery delivers 20% higher energy density than comparable models, ensuring reliable backup power when you need it most.

Designed for Reliability:

• 260+ cycles at 100% discharge capacity
• Up to 5-year standby service lifespan
• ISO9001, 14001, and OHSMS 18001 certified manufacturing

Technical Specifications Comparison

Key Performance Features

• High Discharge Rate: 120W @ 15-minute rate to 1.67V per cell @ 25°C (77°F)
• UPS-Optimized Design: Electrochemistry specifically formulated for uninterruptible power supply applications
• Advanced AGM Technology: Absorbed Glass Mat design for superior performance and zero maintenance
• VRLA Construction: Valve Regulated Lead Acid design eliminates the need for watering
• Safe for Transport: UL recognized and IATA approved for air freight shipping

Warranty & Ordering Information

Industry-Leading Protection: Our Douglas DSU12-300 replacement battery comes with a full one-year free replacement warranty directly through High-Tech Battery Solutions, Inc.

Order Requirements: Minimum order quantity of four units per order. For larger quantities, please contact us via the "Contact Us" tab with your required quantity and delivery zip code. A battery specialist will respond within 24 hours.

Installation Specifications

• Dimensions: 10.28" (L) × 6.63" (W) × 8.43" (H)
• Weight: 56.9 lbs
• Terminal Type: Insert M6