4 pcs GTF 21700 3.7V 5000mAh real capacity Li-ion battery

Specification:

• Brand Name: GTF
• Type: Li-Ion 21700
• Rated capacity: 5000mAh (4700-5000mAh)
• Rated voltage: 3.7V
• Weight: 70g ± 1g
• Rechargeable battery: Yes
• Rechargeable: Up to 1000 times
• Internal resistance: ≤25mΩ
• Limited charging voltage: 4.2V
• Operating voltage: 2.75-4.2V
• Size: 21mm x 70mm (diameter)

Package includes:

• 4 pcs x 3.7V 21700 battery