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

Model	ND12-250
Nominal Voltage	12V (6 cells)
Nominal Capacity (C10)	250 Ah
Reference Capacity	C1: 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 Current	2500A (5s)
Max. Charge Current	50.0A (0.20C)
Self-Discharge	≤3% / month @ 25°C
Design Life (Float)	15 years @ 25°C
Cycle Life	800 cycles @ 50% DOD
Float Charge Voltage	13.6–13.8V (2.27–2.30V/cell)
Cycle Charge Voltage	14.6–14.8V (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 Temp	25°C ± 5°C
Container	ABS (UL94-HB); UL94-V0 optional
Terminal	F12 (M8)
Complied Standards	IEC60896-21/22, IEC61427, CE / ISO 9001
Net Weight	68.0 kg
Gross Weight	72.0 kg
Dimensions (L×W×H)	520 × 256 × 201 mm (220 mm total height)
Weight	68.0 kg