China Yangtze 12V 7ah 12ah 20hr Battery, Find details about China 12V 7ah 20hr Battery, 12V 12ah 20hr Battery from Yangtze 12V 7ah 12ah 20hr Battery
1. Functional Parameter | 5. Environment Temperature | ||
Nominal Voltage | 12V | Discharge Temperature | -20~60ºC |
Nominal Capacity (20 hour rate) | 7Ah | Charge Temperature | 0~50ºC |
Number of Cells | 6cells | Storage Temperature | -20~60ºC |
2. Rated Capacity at 25ºC (77° F) | 6. Inner Resistance & Max . Discharge Current | ||
20 hour rate (0.05C, 10.8V) | 7Ah | Fully Charged battery at 25ºC | 15mΩ |
5 hour rate (0.165C, 10.8V) | 5.5Ah | Max. Discharge Current | 300A (5s) |
1 hour rate (0.55C, 10.5V) | 4.9Ah | Short Circuit Current | 1000A |
3. Capacity affected by Temperature (10 hour rate) | 7. Self-discharge at 25ºC (77° F) | ||
40ºC (104° F) | 103% | Capacity after 3 month storage | 91% |
25ºC (77° F) | 100% | Capacity after 6 month storage | 82% |
0ºC (32° F) | 85% | Capacity after 9 month storage | 73% |
-15ºC (5° F) | 65% | Capacity after 12 month storage | 64% |
4. Dimension and Weight | 8. Constant voltage charging at 25ºC (77° F) | ||
Length | 151mm | Cyclic use | 14.4~14.9V |
Width | 65mm | Maximum charging current | 6A |
Height | 94mm | Temperature compensation | -30mV/ºC |
Total Height | 96mm | Float use | 13.6~13.8V |
Reference Weight | 2.05kg | Temperature compensation | -20mV/ºC |