
C12V12 V / 18–250 Ah
Castle C12V Series VRLA Battery (18–250 Ah)
Maintenance-free 12 V valve-regulated lead-acid batteries for UPS backup, telecom, security and medical standby power — 18 to 250 Ah.
Power Rating
12 V / 18–250 Ah
Topology
VRLA AGM
Efficiency
10-year design life (float)
Output
12 VDC
Parallel
series/parallel strings
Backup
runtime by string sizing
Full Specifications
Overview
Series
Castle C12V
Capacity Range
18–250 Ah @ 20 h rate
Nominal Voltage
12 VDC
Type
Valve-regulated lead-acid (VRLA), AGM, maintenance-free
Design Life
Up to 10 years float service
Applications
UPS, telecom, security standby power, medical instruments
Electrical
Float Charge Voltage
13.5–13.8 V @ 25 °C
Cycle Charge Voltage
14.4–15.0 V @ 25 °C
Max Discharge Current
Per model rating (C20/C10/C5 curves)
Self-Discharge
< 3% per month @ 20 °C
Physical
Terminals
Standard bolt / insert terminals by model
Case Material
ABS flame-retardant (UL94-V0 optional)
Orientation
Any position except inverted
Environment
Operating Temperature
–20 to +50 °C
Recommended Storage
5–40 °C, recharge every 6 months
Certifications
CE, UL (by model)
Specifications are subject to change without notice due to continuous product improvement. Confirm final parameters with our sales team for your order.