72V 40Ah lithium polymer battery pack | ||
Mechanical | Mode | PN85188236 |
Cell & Connection Mode | Ternary/Li(NiCoMn)O2, 19S1P | |
Dimension(D*W*H) | 253.5*191*169MM | |
Weight | 15.8KG | |
Electrical Characteristics | Rated Capacity | 40Ah |
Min Capacity | 39Ah | |
High Rate Discharge Capacity | > 90% Rated Capacity | |
Discharge Capacity @ -20ºC(-4ºF) | > 70% Rated Capacity | |
Nominal Voltage | 72V | |
Working Voltage | 55-84V | |
Load Voltage | ≥ 55V | |
Energy | 2880Wh | |
Internal Impedance(@ 1000Hz.) | ≤ 50mΩ | |
Cycle Life | >2000 Cycles @1C 100% DOD | |
Months Self Discharge | ≤ 5% @ 25ºC(77ºF) | |
Efficiency of Charge | 100% @ 1/3C | |
Efficiency of Disharge | 95% @1C | |
Standard Charge | Max Charge Voltage | 84V |
Charge Cut-off Voltage | 84V | |
Charge Current | 1/3C, 13.3A | |
Max Charge Current | 40A | |
Standard Discharge | Standard Current | 40A |
Max Discharge Current | 3C, 120A | |
Discharge Cut-off Voltage | 55V |
1. High energy density
| lifepo4 battery cell | LiNiCoMn battery cell (ab.NCM battery) |
weight energy density | 150wh/kg | 200wh/kg |
volume energy density | 280wh/L | 334wh/L |
2. Low internal resistance
Methods of reducing the internal resistance:
**Using carbon coated aluminum foil
**Multiple electrode tab design
**Increasing the width of electrode tab
**Coating PVDF on battery separator
**Pore-creating artificially
3.Long lifespan
Usable for more than 2,000 charge-discharge cycles
> 4 times than lead acid battery
> 2 times than li ion battery
4.Excellent performance in high and low temprature
Usable in extremely cold and hot environments (-20 to 60 ºC)
Rebecca Gong T/whatsapp: 86 15773256831 Skype: live:rebecca_7865 Hunan CTS Technology Co., Ltd. |
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