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Rated Capacity | Minimum 50 ah | Charging: Standard charging Discharge: Standard discharge |
Standard voltage | 3.2V | |
limited charge voltage | 3.70(+0.03 -0.02) | |
End-of-charge Current | 0.02CA | |
Discharge End Voltage | 2.50V | Standard: 2.50 V |
Standard Charging | 0.5Ca (25A) constant current charge to 3.70V,Then charge 3.70V constant voltage to cut-off power flow | |
Standard Discharge | 0.5Ca (25A) constant discharge to the end of discharge Check the voltage | |
Maximum continuous charging current | 1CA(50A) | |
Maximum continuous discharge current | 3CA(150A) | |
Operating temperature and humidity range | Charging temperature: 0℃ ~45℃ Humidity: Less than 85%RH Discharge temperature: -- 20℃ ~ 60℃ Humidity: Less than 85%RH | See Other Charging Conditions for specific charging current |
Storage temperature and humidity range | 1 month -20 ~ 60℃ 3 months -20 ~ 45℃ 1 year -20 ~ 25℃ Less than 85% RH | 50% SOC storage Storage time more than 3 months, need to do A cycle of 100% charge and discharge depth After the loop, the battery continues to store 50% charge |
Weight | 1320±40g | |
Open-circuit voltage | 3.20V±0.10V | Voltmeter, 50% SOC, 25 ± 2℃. |
AC Imp | ≤1mΩ | Internal resistance tester, not less than 1kHz,50% SOC,25 ± 2℃. |
3CA Discharge performance | ≥ rated capacity *90% Charging and discharging curves should be smooth and smooth | After standard charging, the battery will rest for 10min at the ambient temperature of 25℃±2℃ Under the condition of 3CA constant discharge to the termination voltage, check the battery capacity |
High-temperature behavior | Capacity ≥ rated capacity *95% Appearance: no obvious deformation, no broken Crack, no leakage | Measure the initial state and capacity of the battery; After a standard battery charge, Static at (55±2)℃ for 5 hours, at 0.5Ca Discharge to stop voltage, rest at room temperature for 2 hours, measure electricity The final state of the pool |
Cryogenic property | Capacity ≥ rated capacity *70% Appearance: no obvious deformation, no broken Crack, no leakage | Measure the initial state and capacity of the battery. After standard battery charging, Static at (-20±2)℃ for 24 hours, at this condition 1Ca Discharge to 1.5V, rest at room temperature for 2 hours, measure the battery Final state. |
Charge Retention | Remaining capacity ≥ rated capacity *80% Restore capacity ≥ rated capacity *90% | Test the initial capacity of the battery; Then the battery is charged as standard, measured and recorded Record the test state of the battery and place it open circuit at standard atmospheric pressure for 28 days. Measure the battery process state, battery appearance, open circuit voltage, AC inside Resistance, thickness and weight, then at ambient temperature 25 ° C ±2 ° C conditions the battery standard discharge to the termination voltage, measure the remaining capacity of the battery, Restore the capacity and final state |
Cycle life | Capacity ≥ rated capacity *80% | Measure the initial state and capacity of the battery, rest for 10min, and then in the ring The ambient temperature was 25℃±2℃ at 0.5C for 2000 cycles The final state of the battery. |
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Dianlan New Energy Technology Company Limited founded in 2012, has become comprehensive battery power supply manufacturer with the combination of R&D, manufacturing, marketing and service. The leader of Lithium phosphate batteries manufacturing, is committed to providing solutions for high quality, efficient, environmentally friendly and safe portable power source to our daily lives! Specialized in Power battery series, mobile power bank and car jump start, storage battery and solar applications, small electric vehicles, E-bikes, E-scooters, E-boats, Smart Robots for industries and military. Our factory is Certified by ISO 9001, and have our own brand name KAIMUANG, several battery supply have technology patent. We cooperate with many brand cell manufacturer such as Samsung Panasonic LG Sony Bak CATL to ensure the battery quality. We are able to develop and manufacture Lithium Battery Pack and LiFePO4 Battery Pack according to special requests from our clients. We export to Europe, American, Australia, Southeast Asia and other market. Dianlan only do one thing that is to ensure every customer use a green environmental and safe battery. We will keep doing it as our mission in future, we will have our agent and after sell service department in most major market, so we are hot welcome if anyone have interesting to visit us and talk bout cooperation.