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- Place of Origin:
- Guangdong, China
- Brand Name:
- NEATA
- Model Number:
- NT4V4.5AH
- Nominal Capacity:
- 4.5AH/20HR
- Usage:
- Other
- Sealed Type:
- Sealed
- Maintenance Type:
- Free
- Weight:
- 0.46
- Company established year:
- 2005
- Certificate:
- ISO,CE,UL,ROHS
- Cycle use:
- 6.75-6.90V
- Standby use:
- 7.30-7.50V
- Initial current:
- Less than1.35A
- Designed life:
- 3
- Carton/pcs:
- 30
- Size:
- 47*47*101*106
- Voltage:
- 4v
- Supply Ability:
- 500000 Piece/Pieces per Month
- Packaging Details
- 47*47*101
- Port
- ZHONGSHAN or SHENZHEN
VRLA sealed description:
Model : 4v4.5 ah
Demension: 47(L)*47(W)*101(H)*106(TH)mm;
Weight :0.46kg,
Normal voltage :4v
Rated Capacity : 4.5ah
Package : 20pcs/box
Applications:
LED lighting ,
Medical equipments,
Fire and security systems,
Electric toys
Power tools,
Portable Light
Certificate:ISO9001:2008, ROHS,CE, UL...
Characteristics
Nominal Voltage | 4V | ||
Nominal Capacity (20 hour rate) | 4.5Ah | ||
Capacity 25°C(77°F) | 20 hour rate (0.225A) | 4.5Ah | |
10 hour rate (0.428A) | 4.28Ah | ||
5 hour rate (0.72A) | 3.6Ah | ||
1 hour rate (2.93A) | 2.93Ah | ||
Internal Resistance | Full Charged Battery 25°C(77°F) | ≤40mΩ | |
Cyclic Life | 50%(C20) Depth of discharge | 600Times | |
Float Life | 25°C(77°F) Float charge at 6.9V | About 3 Years | |
Capacity affected by Temperature (20 hour ) | 40°C (104°F) | 102% | |
25°C (77°F) | 100% | ||
0°C (32°F) | 85% | ||
-15°C (5°F) | 65% | ||
Self-Discharge 25°C(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 than1.35A 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 |