Click on the image to view the original image
VRLA sealed description:
Model : 6v7ah
Demension: 151(L)*34(W)*94(H)*99(TH)mm
Weight :1.07kg,
Normal voltage :6v
Rated Capacity : 7ah
Package : 18pcs/box
Applications:
Emergency lighting systems
Electric Power station
Solar powered and wind powered systems
Uninterruptible power supplies (UPS) and stand-by power for computers
Medical equipments
Fire and security systems
Control equipments
Electric toys
Power tools
Portable Lights
Characteristics
Nominal Voltage | 6V | ||
Nominal Capacity (20 hour rate) | 7.0Ah | ||
Capacity 25degrees(77°F) | 20 hour rate (0.35A) | 7.0Ah | |
10 hour rate (0.665A) | 6.65Ah | ||
5 hour rate (1.12A) | 5.6Ah | ||
1 hour rate (4.55A) | 4.55Ah | ||
Internal Resistance | Full Charged Battery 25 degrees (77°F) | ≤30mΩ | |
Cyclic Life | 50%(C20) Depth of discharge | 600Times | |
Float Life | 25 degrees (77°F) Float charge at 6.9V | About 3 Years | |
Capacity affected by Temperature (20 hour ) | 40 degrees (104°F) | 102% | |
25 degrees (77°F) | 100% | ||
0 degrees (32°F) | 85% | ||
-15 degrees (5°F) | 65% | ||
Self-Discharge 25 degrees (77°F) | Capacity after 3 month storage | 90% | |
Capacity after 6 month storage | 80% | ||
Capacity after 12 month storage | 62% | ||
Charge (Constant Voltage) 25°C(77°F) | Cycle | Initial Charging Current Less than 2.1A Voltage 7.30-7.50V | |
Float | Voltage 6.75-6.90V | ||
Battery Construction
Component | Positive plate | Negative plate | Container | Safety valve | Terminal | Separator | Electrolyte |
Raw Material | Lead dioxide | Lead | ABS | Rubber | Copper | Fiberglass | Sulfuric acid |