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CE Standard 80AH LiFePO4 solar energy storage battery
CE Standard 80AH LiFePO4 solar energy storage battery

CE Standard 80AH LiFePO4 solar energy storage battery Small Impedance Max. Pulse Discharge Current 10C Self Discharge Rate<3%

CE Standard 80AH LiFePO4 solar energy storage battery

-CE Standard LiFePO4 Battery

-Can be used for Solar energy storage-Small Impedance-Max. Pulse Discharge Current 10C-Self Discharge Rate<3%

ModelGPLFP52127233/80Ah
Cell TypeGPLFP11119214-20AH
Nominal Capacity80Ah
Impedance< 0.8 mΩ
Specific Energy112Wh/Kg
Volumetric Specific Energy166Wh/L
Weight2.3Kg
VoltageNominal Voltage3.2V
Charge Voltage(CC-CV)3.65V
Discharge Cut-off Voltage2.5V
CurrentMax. Charge Current3C
Max. Discharge Current3C
Max. Pulse Discharge Current10C
Charge Method(CC-CV)Standard 0.3C
Quick:10min/50%,30min/80%,60min/100%
Operating TemperatureCharge Temperature0°C-45°C
Discharge temperature-20°C-60°C
Storage temperature-10°C-45°C
Cycle Life80%DOD ≥2000 times
70%DOD ≥3500 times
Temperature Resistance of CaseMax Constant Temperature135 °C
Instant Temperature170°C
Recommended Temperature≤75°C
Self Discharge Rate(per month)≤3%

Battery Performance

1.Electrical characteristics

NO.ItemRequirementsTest Method
1DischargerateperformanceDischarge Capacity/Nominal capacity×100%A) 0.3C5A ≥100%B) 1.5C5A ≥90%a)Standard charge at 0.3C5A under the condition of normal atmospheric pressure andthe environmental temperature of 20°C±5°C and45%~80% RH, discharge at 1I3/4.5I3(A)to 2.0V or the cut-off voltage which is specified in the technical document of the company.b)the capacity(AH)=the discharge time*discharge current,and then is describedthe percentage of the nominal capacity(Charge/discharge cycle can be conducted for 3times before meeting the Standards(the samebelow).
2High-lowTemperatureDischargeperformanceDischarge Capacity/Nominal capacity×100%A) 55 °C ≥95%B) -20°C ≥55%After Standard charging. Then store it at the constant temperature of 55±2°C for 5h(of -20±2°C for 20h),and discharge at 0.3C5A to 2.0V or the cut-off voltage whichis specified in the technical document of the company,thecapacity(AH)=the dischargetime*discharge current,and then is described the percentage of the nominal capacity.
3NormalStorage/HighTemperatureStorageResidual Capacity≥Nominalcapacity*80%Recoverable capacity≥Nominal capacity*90%Store for 28 days(Store for 7 days at the constant temperature of 55±2 °C)afterstandard charge, then measure final status and residual capacity at 0.3 C5A to 2.0Vor the cut-off voltage which is specified in the technical document of thecompany;After charge/discharge(0.3C5A/0.3C5A)cycle can be conducted for 3 times,recoverable capacity will be tested.
4StoragePerformancerecoverablecapacity ≥nominalcapacity *95%Standard charge and then rest for 1H,then discharge for 2H at0.3C5A,storge for 90days at 20°C±5°C,After standard charge,then discharge at 0.3C5A,(Charge/dischargecycle can be conducted for 5 times before meeting the Standards(the same below)
5Cycle LifeDischarge Capacity≥Nominal capacity*80%Conduct 0.3C5A/0.3C5A cycle for 2000 times.The discharge capacity shall bemeasured after 2000 cycles.

2.Safety Performance

NO.ItemRequirementsTest Method
1Over chargeNo fire,no explosionAfter standard charging,then Charge at 3C5A to 10.0V
2Over dischargeNo fire,no explosionAfter standard charging,discharge 0.3C5A to 0V at 20°C±5°C
3Short Circuit at Room TemperatureNo fire,no explosionAfter standard charging, keep the battery into a ventilation cabinet and short-circuit the positive and negative terminals directly (general resistance shall be less than or equal to 5mΩ) for 10 minutes
4DropNo fire,no explosion,no leakageAfter standard charging, then let it self fall off from a height of 1.5m(the lowest height)to a rigid wooden board with the thickness of 20mm. The drop is implemented one time for every face.
5Hot OvenNo fire,no explosionAfter standard charging. Keep the battery in the box with constant temperature of 85°C±2 °C and remained for 2hours at this temperature.
6CrushNo fire,no explosionAfter standard charging, keep the battery on the bracket1. Extrusion direction:Perpendicular to the direction of maintaining pressure on the battery plates.2. Extrusion headdress product:≥20cm3. Extrusion degree: Until the battery shell ruptured or internal short circuit (battery voltage becomes 0V)
7NeedlepunctureperformanceNo fire,no explosionAfter standard charging, keep the battery on the bracket,penetrate through it with a 3mm~8mm diameter nail near the center of its biggest surface at the rate of 10mm/s-40mm/s.

CE Certificate

CE Standard 80AH LiFePO4 solar energy storage battery

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