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ND12-250 | 12V 250Ah AGM Battery

12V AGM Storage Battery · Technical Datasheet · October 23, 2026

CE CertifiedIEC 60896 / IEC 6105610-Year Design LifeVRLA SealedMaintenance-FreeFactory Direct
ND12-250 | 12V 250Ah AGM Battery

High-capacity 12V 250Ah sealed AGM battery for large UPS systems, telecom base stations, and industrial backup power. F12(M8) terminal for high-current applications, 2500A peak discharge.

Key Features
  • Largest capacity in ND12 series — 250Ah / 3,000 Wh
  • 15-year design floating life at 25°C
  • 2500A maximum discharge current (5s)
  • F12(M8) copper terminal for high-current systems
  • Maintenance-free sealed AGM design
Technical Specifications
ParameterValue
ModelND12-250
Nominal Voltage12V (6 cells)
Nominal Capacity (C10)250 Ah
Reference CapacityC1: 159.5 Ah / C5: 220.0 Ah / C10: 250.0 Ah / C20: 267.6 Ah
Energy (C10)3,000 Wh
Internal Resistance≤2.6 mΩ
Max. Discharge Current2500A (5s)
Max. Charge Current50.0A (0.20C)
Self-Discharge≤3% / month @ 25°C
Design Life (Float)15 years @ 25°C
Cycle Life800 cycles @ 50% DOD
Float Charge Voltage13.6–13.8V (2.27–2.30V/cell)
Cycle Charge Voltage14.6–14.8V (2.43–2.47V/cell)
Discharge Temp-40°C ~ 60°C
Charge Temp-20°C ~ 50°C
Storage Temp-40°C ~ 60°C
Normal Operating Temp25°C ± 5°C
ContainerABS (UL94-HB); UL94-V0 optional
TerminalF12 (M8)
Complied StandardsIEC60896-21/22, IEC61427, CE / ISO 9001
Net Weight68.0 kg
Gross Weight72.0 kg
Dimensions (L×W×H)520 × 256 × 201 mm (220 mm total height)
Weight68.0 kg