General Specifications

• Model: HR4.2-12FR
• Type: Sealed Lead Acid (SLA), Valve-Regulated (VRLA) Rechargeable Battery
• Nominal Voltage: 12V
• Nominal Capacity: 4.5Ah
• Technology: Absorbent Glass Mat (AGM) for efficient gas recombination

 Physical Dimensions

• Length: 140 mm (5.49)
• Width: 38 mm (1.50)
• Height: 94 mm (3.70)
• Total Height: 100 mm (3.94)
• Weight: Approx. 2.98 lbs (1350g)

 Terminals

• Type: F2 (0.250") Faston Tab
• Optional: T1 (Faston Tab 0.187)

 Performance Features

• Maintenance-Free: No topping up required
• Non-Spillable: No free acid
• Low Self-Discharge: Less than 3% per month
• High Rate Discharge: 30% higher power for 5–15 minute discharge
• Max Discharge Current: 60A (for 5 seconds)
• Max Charge Current: 1.2A
• Internal Resistance: 42 m(fully charged)

 Operating Conditions

• Charge Temperature Range: 0°C to 40°C (32°F to 104°F)
• Discharge Temperature Range: -20°C to 50°C (-4°F to 122°F)
• Storage Temperature Range: -20°C to 40°C (-4°F to 104°F)

 Safety & Durability

• Container Material: ABS (UL94 HB); Flame Retardant ABS (UL94 V-0) optional
• Design Life: Up to 6 years in floating applications
• Safety Valve: Built into each cell for pressure regulation

 Applications

• UPS systems
• Emergency lighting
• R/C cars and planes
• Laboratory equipment
• Power boosters