OPzV2-350 | 2V 350Ah Tubular GEL Battery

2V 350Ah OPzV tubular gel battery with 20-year design floating life. Ideal for telecom base stations, renewable energy storage, and industrial UPS. Gel electrolyte eliminates acid stratification for superior deep cycle performance.

Key Features

20-year design floating life at 25°C
1,500+ deep cycles at 80% DOD
Tubular positive plate — industry-proven DIN standard
Silicon nano gel electrolyte — zero acid stratification
Wide temperature range: -15°C to 50°C operation
Zero maintenance sealed design

Technical Specifications

Model	OPzV2-350
Nominal Voltage	2V (Single Cell)
Nominal Capacity (C10)	350 Ah
Reference Capacity	C5: 296.5 Ah / C3: 261.0 Ah / C1: 180.0 Ah
Energy (C10)	700 Wh
Electrolyte	Silicon nano gel (immobilized)
Plate Technology	Tubular positive plate (DIN standard)
Internal Resistance	≤1.06 mΩ
Max. Discharge Current	1750A (5s)
Max. Charge Current	Less than 87.5A
Self-Discharge	≤2% / month @ 25°C
Design Life (Float)	20 years @ 25°C
Cycle Life	1,500+ cycles @ 80% DOD / 3,000+ cycles @ 50% DOD
Float Charge Voltage	2.23–2.25V / cell @ 25°C
Cycle Charge Voltage	2.35–2.45V / cell @ 25°C
Discharge Temp	-15°C ~ 50°C
Charge Temp	-15°C ~ 50°C
Storage Temp	-20°C ~ 40°C
Normal Operating Temp	25°C ± 5°C
Terminal	M8 / M10
Container	Transparent SAN / ABS
Complied Standards	DIN 40736, IEC60896-11/21/22, IEC61427, CE
Net Weight	27.0 kg
Dimensions (L×W×H)	124 × 206 × 473 mm (505 mm total height)
Weight	27.0 kg