XPL3500 Battery 12V 3500W VRLA-AGM Data Center UPS

Product Features

VRLA (Valve Regulated Lead Acid) Battery
Maintenance-free, utilizing AGM (Absorbent Glass Mat) technology with gas recombination efficiency up to 99%
Constructed with pure lead and proprietary elements
Specifically designed for high-rate UPS and float charge backup power applications
Manufactured in accordance with IEC 60896-21/22:2004, UL1989 certified (MH14533)

Application Scenarios

Data center UPS long-duration backup
Large equipment room long-duration backup power
Industrial UPS long-duration discharge backup
Financial system long-duration backup
Telecom hub long-duration backup power
Medical center UPS long-duration

Product parameters

Model：XPL3500
Voltage：12 Vdc
Nominal Capacity：3500W @5min-rate
Watts per Cell：862.33 (30-Sec 1.67 VPC @ 25°C)
Watts per Cell：558.00 (5-Min 1.67 VPC @ 25°)
Watts per Cell：318.67 (15-Min 1.67 VPC @ 25°)
Max. Charge Current：29.20 A
Max. Discharge Current：750 A
Short Circuit Current：2206 A
Internal Resistance：3.83 mΩ
Terminal Type：I2 thread lead alloy terminal to accept M6 bolt
Terminal Torque：51.7±10.3 Kgf·cm / 44.9±9.0 Lbf·in / 5.1±1.0 N·m
Container Material：PP (UL 94-HB) standard, flame-retardant (94-V0) available upon request
Weight：25.80 / 56.86 kg / lb.
Length (L)：261.0±2.5 / 10.28±0.10 mm / in
Width (W)：168.5±2.0 / 6.63±0.08 mm / in
Height (H)：213.5±2.5 / 8.41±0.10 mm / in
Design Life：Up to 10 years in standby service at 25°C; Eurobat (20°C): >12 years, Very Long Life
Float Charging Voltage：13.5 - 13.8 Vdc/battery
Equalizing Charging Voltage：14.4 - 15.0 Vdc/battery
Operating Temperature：discharge -15°C to 50°C; charge/storage -15°C to 40°C

Product details

The CSB XPL3500 is a 12V top-terminal Valve Regulated Sealed Lead Acid battery in the XPL series. It uses Absorbent Glass Mat (AGM) technology, achieves 99% gas recombination efficiency, and is maintenance-free by design. The series is positioned in the large-capacity pure lead VRLA product line, suitable for long-duration backup applications requiring large-format single cells, with data center UPS as the officially designated application. In terms of power parameters, the XPL3500 has a nominal capacity of 3500W @5min-rate at 25°C and 9.60V per cell. For per-cell power, it delivers 862.33 W/cell at 30 seconds to 1.67 VPC, 558.00 W/cell at 5 minutes to 1.67 VPC, and 318.67 W/cell at 15 minutes to 1.67 VPC. The maximum charge current is 29.20 A, the maximum discharge current is 750 A, the short-circuit current is 2206 A, and the internal resistance is 3.83 mΩ. Dimensions are 261.0±2.5 mm (L) × 168.5±2.0 mm (W) × 213.5±2.5 mm (H), with a weight of 25.80 kg. The terminal is an I2 threaded lead alloy type, compatible with M6 bolts, with a torque of 51.7±10.3 Kgf∙cm, equivalent to 44.9±9.0 Lbf∙in or 5.1±1.0 N∙m. The case is made of PP (UL 94-HB) material, with a flame-retardant (94-V0) version available on request. Charging and temperature conditions: float charge voltage at 25°C is 13.5 to 13.8 Vdc/battery, and equalize charge voltage is 14.4 to 15.0 Vdc/battery. Nominal operating temperature is 25°C, discharge temperature range is -15°C to 50°C, and charge and storage temperature range is -15°C to 40°C. The self-discharge rate is below 10% after 90 days of storage at 25°C, with a shelf life of 6 months, extendable to 10 months with equalizing charge; the battery must be fully charged before use. If storage temperature exceeds 25°C, charging should be carried out earlier. Design life: 10 years under float standby service at 25°C, and more than 12 years under Eurobat (20°C) conditions, placing it in the Very Long Life category. Manufactured in accordance with IEC 60896-21/22:2004 and recognized to UL1989 (MH14533). With these characteristics, the battery is suitable for scenarios requiring long-duration float standby such as data center UPS.