Device Type: Sealed Maintenance-Free (SMF) Rechargeable Battery
Part Number/SKU: AL042001-EX (also referenced as 12AL042)
Brand: Amaron (Quanta Series)
Nominal Voltage: 12V
Rated Capacity: 42Ah @ 20-hour rate (to 1.75V/cell at 27°C)
Battery Technology: Sealed Lead-Acid (SLA), AGM (Absorbent Glass Mat), Valve-Regulated Lead-Acid (VRLA)
Physical Specifications:- Dimensions (L × W × H): 199 mm × 167 mm × 175 mm (±2mm)
- Weight: 14.0 kg (Dry Weight)
- Terminal Type: M6 × 20 mm Bolted
- Case Material: PPCP (Polypropylene Copolymer)
Performance & Reliability:- Design Float Life: Up to 10 Years (under float charge conditions)
- Internal Resistance: 7.60 mΩ (Fully Charged, 27°C)
- Self-Discharge Rate: Capacity after 3-month storage is 90% (approx. <4% per month at 27°C)
- Short Circuit Current: 1645A
- Compliance: Conforms to JIS C8702/1998 (Part 1, 2 & 3) with latest amendments
Charging Parameters:- Standby Use (Float): 13.5V per battery @ 27°C
- Cyclic Use (Boost): 13.8V per battery @ 27°C
- Max Charging Current: 25% of rated Ah capacity
- Temperature Compensation: 18 mV/battery/°C
Operating Temperature Range: -20°C to +60°C (50–60°C for shorter duration)
Nominal Operating Temperature: 27°C ± 3°C
Warranty: 2 Years
Key Specs: Amaron AL042001-EX (12AL042), 12V 42Ah Sealed Maintenance-Free Battery, AGM/VRLA Technology, Up to 10-Year Design Float Life, Low Self-Discharge, Internal Resistance 7.60mΩ, Short Circuit Current 1645A, Float 13.5V / Boost 13.8V, Max Charge Current 25% of Rated Capacity, M6 Bolted Terminals, PPCP Case, 199×167×175mm, 14.0kg, -20°C to +60°C Operating Range, JIS C8702 Compliant, 2-Year Warranty
Usage: Uninterruptible Power Supplies (UPS), Solar Power Systems, Inverters, Telecommunication Equipment, Fire Alarm & Security Systems, Emergency Backup Systems, Office Automation Equipment, Laboratory Equipment, and Other Critical Standby Power Applications