China Graphene Battery Cycle Life Solar Energy Storage 140V 21200wh, Find details about China Solar Battery, Gel Battery from Graphene Battery Cycle Life Solar Energy Storage 140V 21200wh
FEATURES |
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No. | Part Number | GTEM-140V20K-R |
1 | Energy storage | 20KWh |
2 | Rated Voltage | 138V/DC |
3 | Maximum Charge Voltage | 168V/DC |
4 | Discharge Cut-off Voltage | 120V/DC |
5 | ESR/AC @1KHz 50% SOC | <100mΩ |
6 | Max. Continuous Charge Current | 160A |
7 | Max. Continuous Discharge Current | 160A |
8 | Cut-off Current (charging) | 5A |
9 | Peak Discharge Current (10s) | 200A |
10 | Weight | 290Kg |
11 | Output Terminal | Connector |
12 | Charge Temperature | -10ºC~+60ºC |
13 | Discharge Temperature | -20ºC~+60ºC |
14 | Operating Humidity | 0~90% RH Non-condensing |
15 | Cells Self-discharge Rate | 3% per month |
17 | Projected Calendar Life | 25 years |
18 | Recommended Depth of Discharge | ≤ 90% |
19 | Maximum Depth of Discharge | 100% |
20 | Cooling Method | Air conditioning cooling |
21 | Shell Material | Metal |
22 | Monitoring Data | Module voltage,SOC |
23 | Indicator light display | Capacity % |
24 | Environmental Protection | IP65 |
25 | Series or Parallel Connection | Not allowed |
27 | Storage Conditions | -20ºC~+40ºC 25% ~ 95%RH SOC>30%,one full charge needed per two months |
28 | Certificates Compliant | UN38.3 |
EN 62133:2013, EN 55032:2015+AC:2016, EN 55035:2017, EN 61000-3-2:2014, EN 61000-3-3:2013 |
NO. | Item | Parameter | Remark |
1 | Cells Balancing | Active | Smart active balancing |
2 | Over-temperature | 55ºC | Shutdown |
3 | Short Circuit Protection | 400A | Fused and need to change fuse block |
4 | Charging Cut-off Voltage | 168V | Shutdown |
5 | Discharge Protection Voltage | 102V | Shutdown |
6 | Cooling Method | Natural cooling | |
7 | CAN bus | Option | |
8 | GPS/GPRS | Option |
Test Type | Test Method | Result |
Temperature and Humidity | Expose a fully charged capacitor to 40±2°C, and 90% - 95% RH for 240±48 hours. Measure changes in capacity and ESR | ΔC/C ≤ 20% ESR ≤ 1.5X |
Overcharge | Charge a fully charged capacitor at 1C for 1 hour until cell voltage reaches 1.5U | No fire hazard |
Over Discharge | Discharge a fully charged capacitor at 1C for 90 minutes | No fire hazard |
Short-Circuit | Connect positive and negative terminal of a fully charged cell for 10 minutes | No fire hazard Tmax. ≤ 150°C |
Thermal | Heat a fully charged capacitor to 130±2°C for 30 minutes in a convection over with ΔT=5±2°C/minute | No fire hazard Tmax. ≤ 200°C |
Vibration | Subject a fully charged capacitor to 3-dimensional vibration for 30 minutes per axis. Vibration frequency change at 1Hz/minute, frequency range = 10 to 55Hz, vibration displacement = 1.6mm | No fire hazard |
Drop | A fully charged capacitor is dropped twice from an altitude of 1.5 meters onto concrete floor | No fire hazard |
Nail Penetration | Puncture a fully charged capacitor with a stainless-steel nail across the midsection | No fire hazard |
Crush | Crush a fully charged capacitor vertically with a force of 200kN until the cell ruptures causing an internal short-circuit (voltage = 0V) | No fire hazard |