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LIR18650R-25

 

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Li-ion cylindrical rechargeable battery

Summary of Contents for LIR18650R-25

Page 1: ...LIR18650R 25 Li ion cylindrical rechargeable battery ...

Page 2: ... charging current 0 5C 3 8 Standard charge cut off current 0 02C 3 9 Standard discharge current 20A 3 10 Max charge current continuous 2 5A 45ºC T 20ºC 1 25A 20ºC T 10ºC 0 5A 10ºC T 0ºC 3 11 Max discharge current continuous 20A 60ºC T 20ºC 15A 20ºC T 0ºC 10A 0ºC T 10ºC 3 12 Max pulse discharge current 1s 30A 25 3ºC 3 13 Cell dimension Height 65 5mm Diameter 18 6mm Refer to the attached drawing 1 3...

Page 3: ...e cell which ismeasured with discharge current of 10A with 2 5V cut off at 25 3ºC after the standard charge Temperature dependence of discharge capacity Capacity comparison at each temperature measured with discharge constant current 10A and 2 5V cut off after the standard charge is as follows Note If charge temperature and discharge temperature is not the same the interval for temperature change ...

Page 4: ...hes 130ºC and the time when a fire or explosion occurs 5 5 3 Crush testing No fire No explosion After fully charging the cellfollowing the standard charge method and Put itbetween two flat surfaces for a Crush Test The direction of the crushing force shall be vertical to axis of the cylinder Using a pressure device which has a 32mm diameter Hydraulic piston with 13 KN Crushing force Release the pr...

Page 5: ...f 0 2C to 2 75V and rest ten minutes then charge at a constant current of 0 2C for three hours If the battery has been assembled or used use the suitable matched charger and machines to activate 8 Others 8 1 Storage for a long time If the cell is kept for a long time 3 months or more it is strongly recommended that the cellis preserved at dry and low temperature 8 2 Others Any matter not included ...

Page 6: ...ever reaches to 3 0V in specified period timer charger will stop charging 1 4 By timer current detection and open circuit voltage detection charger detects full charge When charger detect cell is full charged charger stop charging 2 Discharging 2 1 The discharge current of a cell must be below specified in the product specification 2 2 The discharge end voltage of a cell must be over specified in ...

Page 7: ...tection should work Then dischargecurrent shall be shut down and consumption current is below 1μA 5 4 When discharge current exceeds 60A over discharge current protection should work Thenover discharge current shall be shut down 5 5 To avoid discharging during storage design the low consumption current electronic circuit e g Protection circuit fuel gauge etc inside battery pack 6 Battery Pack Asse...

Page 8: ...the battery into the fire 2 3 Do not use or leave the cell under the blazing sun or in heated car by sunshine The cellmay generate heat smoke or flame And also it might cause the deterioration of cell scharacteristics or cycle life 2 4 Do not dismantle open or shred cells Batteries should be dismantled only by trainedpersonnel Multicell battery cases should be designed so that they can be opened o...

Page 9: ...ge 1 9 After using if the battery is hot before recharging it allow it to cool in a well ventilated placeout of direct sunlight 1 10 Do not attempt to take batteries apart or subject them to pressure or impact Heat may begenerated or fire may result The alkaline electrolyte is harmful to eyes and skin and it maydamage clothing upon contact 1 11 Never put a battery into water or seawater 1 12 Keep ...

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