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Challenger A12-55 - sealed maintenance-free battery (VRLA). A12 Series is designed for use in uninterruptible power supplies, security systems, medical, communications, alternative energy, etc. Conforms IEC Standards, BS, Eurobat, JIS. Service life - 12 years
Specifications:
Model: A12-55
Type:
of VRLA Voltage, V: 12
Capacity Ah 55.
Dimensions (LxWxH), mm 229h138h210
Weight: 18
voltage: 12 V
Internal resistance: 12.0 mOhm Operating
temperature:
- Discharging: -20 ... + 60C
- charge: 0 ... + 50C
Storage: -20 ... + 60C
charge voltage (buf.rezhim): 13, 5-13,8V (25C)
Max. Charging current: 16,5A
equalizing charge mode and cycling: 14,4-15,0V (25C)
Self Discharge: 2% / month ..
Terminals: F11 (bolt M6) < br /> housing: ABS (UL94-HB). Available in UL94-V1 (on request) housing
Positive electrode: grid plate, lead dioxide
Negative electrode: grid of lead-calcium-tin alloy
Lead: 99.998% purity
separator: glass