Shenzhen Goldenbattery Technology Co.,Ltd
Shenzhen Goldenbattery Technology Co.,Ltd
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We can customize all kinds of lithium ion or li-polymer batteries by the requirements from customer as we have a independent R&D team and OEM/ODM is acceptable .
| NO. | Items | Specifications | |||
| 1 | Charge voltage | 29.4V | |||
| 2 | Nominal voltage/ | 25.2V(7S21P) | |||
| 3 | Initial impedance | 200mΩ | |||
| 4 | Nominal capacity | 54.6Ah | |||
| 5 | Minimum capacity | 54.0Ah | |||
| 6 | Low-temperature capacity | ≥32.76Ah | When the battery is standard charged, it shall be put into chamber at ( -20±2 )℃for 8-16hrs,then discharged at 0.2C5A (10.92A) constant current to 17.5V | ||
| 7 | Charge current | Standard Charging::0.2C5A (10.92A) Rapid charge:0.5C5A (27.3A) Max | |||
| 8 | Standard Charging method | 10.92A(0.2C5A) CC(constant current)charge to 29.4V,then CV(constant voltage 29.4V)charge till charge current decline to ≤546mA(≈0.01C5A) | |||
| 9 | Charging time | Standard Charging:8.0hours(Ref.) Rapid charge: 3.5hours(Ref.) | |||
| 10 | Max.discharge current | 54.6A(1.0C5A) | |||
| 11 | Discharge cut-off voltage | 17.5V | |||
| 12 | Shelf life | 5 years | |||
| 13 | Cycle life (0.2C5A/0.2C5A) | 300 times(≧60%DOD) | |||
| 14 | Operating temperature | Charging: 0℃~45℃ Discharging:-20℃~+60℃ | |||
| 15 | Storage temperature | Less than 1 month | -10℃~+45℃ | Percentage of recoverable capacity :85% | |
| Less than 6 month | -20℃~+35℃ | ||||
| 16 | Pack Weight | Approx.:7.8kg | |||
| 17 | Pack Dimension | Length: Max 305.00 mm Width: Max 140.00 mm Thickness1:Max 140.00 mm | |||
| 18 | Other | RS485 communication function used in outdoor big wheel robot | |||
