788棋牌官网

                            • 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah
                            • Lighting battery pack - 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah

                            18650/2S2P Li-ion battery Pack 7.4V/4.4Ah

                            Lighting battery pack

                            Model: AY-L02S02-021
                            Voltage: 7.4V
                            Capacity: 4.4Ah
                            Size (can be customized): L75*W68*H25mm
                            Cell Model:  

                            • Description
                            • Get quote
                            Sender email add: RE: 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah
                            • Lighting battery pack

                              AY-L02S02-021

                              No Test item Criterion
                              Nominal capacity 4.4Ah Samsung 18650-2200mAh
                              Nominal voltage 3.7V 3.7V/1 Cell
                              Charging voltage 8.4V±0.05V 4.2V/1 Cell
                              Charging method CC/CV (Constant-current and-Voltage with Limited current
                              Standard charging time 2000mA/3.3hour 1000mA/6.6hour Battery capacity÷charging current×1.5
                              Charging current 1250mA(0.5C) 0~+40℃
                              Maximum charging current 2500mA(1C) 0~+40℃
                              Continuous discharge current 2.5A(1C) -20~+60℃
                              Discharge cutoff voltage 2.5V 2.5V/1 Cell
                              Short circuit protection Exterior short circuit Automatic recovery
                              Intermal resistance ≤200mΩ AC lmpedance 1kHz
                              Cycle life ≥500  
                              Operating temperature Standard Charge 0~+40℃  
                              Standard Discharge -20~+60℃  
                                L75*W68*H25mm Length x wide x height
                              Pre-wired   Red=Positive,Black=Negative
                              Protection Circuit Module: PCM-Li02S3-129
                              Maximal continuous charging current 2.5A  
                              Maximal continuous Discharging current 2.5A  
                              Over-charge detection voltage 4.25V±0.025V Single cell
                              Over-charge release voltage 4.15V±0.05V Single cell
                              Over-charge detection delay time 0.5S-1.5S Single cell
                              Over-discharge detection voltage 2.50V±0.08V Single cell
                              Over-discharge release Voltage 3.0±0.10V Single cell
                              Over-discharge detection delaytime 50-150mS Single cell
                              Over-current detection 9±2A can adjust
                              Over-current delay time 5-15mS  

                            Copyright ? 2017 AYAA TECHNOLOGY CO.,LTD. All Rights Reserved. Design By Gemelsoft.

                            788棋牌官网