Technical Specifications

General Information

• Product Name: Dell 3521 - 5521 40Wh Laptop Battery
• Type: Rechargeable Lithium-Ion (Li-ion) Battery

Compatibility

• Compatible Models: Dell Inspiron 3521, 5521, 3537, 5537, 5721, 5737, and similar models
• 312-1387 312-1390 312-1392 312-1433 G35K4 MK1R0 N121Y PVJ7J T1G4M V1YJ7 V8VNT VR7HM,Vostro 2421/2521 Latitude 3440/3540/E3440 6KP1N 6XH00 8RT13 8TT5W DJ9W6 FW1MN G019Y
• Dell Inspiron 14 15 17 14R 15R 17R 14r 5421/ 5437 15R 3521/ 5520/ 17R 5720 5737 Dell Inspiron 3721 5521 3721 5721 3421

Electrical Specifications

• Voltage: 14.8V
• Capacity: 2600 mAh (40 Wh)
• Cells: 4-cell battery pack

Physical Specifications

• Dimensions: Typically varies by design, but generally:
  • Length: Approximately 268 mm
  • Width: Approximately 45 mm
  • Height: Approximately 20 mm
• Weight: Approximately 300 grams (varies slightly based on manufacturer and specific design)

Features

• Battery Technology: Lithium-Ion (Li-ion)
• Cycle Life: Generally around 300-500 charge cycles (depends on usage and maintenance)
• Certification: CE, RoHS, FCC (varies by manufacturer)

Performance

• Typical Runtime: Varies based on laptop model and usage, but generally provides 3-5 hours of usage on a full charge (subject to power consumption and usage patterns)
• Charge Time: Approximately 2-3 hours to fully charge (depends on the laptop’s charging system and power adapter)

Safety Features

• Overcharge Protection: Yes
• Over-discharge Protection: Yes
• Short Circuit Protection: Yes
• Overcurrent Protection: Yes

Environmental Requirements

• Operating Temperature: 0°C to 45°C (32°F to 113°F)
• Storage Temperature: -20°C to 60°C (-4°F to 140°F)
• Relative Humidity: 20% to 80% non-condensing