$80.36 Buy It Now or Best Offer
free,30-Day Returns
Seller Store china_office
(1) 100.0%,
Location: shenzhen
Ships to: US,
Item: 205032185530
Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Amp Hours:0.28Ah
Application:Low Drain Devices
Attention 1:Check battery dimensions (L//H) for compatibility
Attention2:Incorrect sizes may cause issues
Battery Size(inch):0.2*0.67*1.57in
Battery Size(mm):5*17*40mm
CaoDuRen:CaoDuRen
Capacity:280mAh
Certification-1:CE
Certification-2:MSDS
Chemical Composition:Li-Po
Compatible Brand:fits for CaoDuRen
Compatible Model:501740
Continuous discharge rate:1C
JST PH:NONE
Length(mm):40mm
MPN:280mAh
Notice:Cannot be used on drones
QTY:50PCS
Thick(mm):5mm
type:Li-Ion Battery
Unit Type:Unit
Voltage:3.7V
Width(mm):17mm
50Pcs Rechargeable 3.7V 280Mah 501740 Li-Polymer Li Lipo Battery Jst-Ph 2Pin 2.0 Special Notes: There are three kind of Connectors, please choose the correct version you need. As a manufacturer of batteries, we can customize the connector you need,if you need any other types,please contact us. Due to the fact that batteries are a special item and the transportation method has limitations, the logistics are 5 to 10 days slower than ordinary products. Please be patient. Thank you for your understanding. CaoDuRen Li-PO battery CaoDuRen batteries can be customized to your desired connector port size and dimensions. They undergo strict quality inspections to ensure exceptional reliability. If you require a large quantity of batteries, we provide on-site factory inspection services. Additionally, purchasing large quantity batteries allows for negotiable pricing. Use Attentions Warnings 1 Do not expose to, dispose of the battery in fire. 2 Do not put the battery in a charger or equipment with wrong terminals connected. 3 Avoid shorting the battery. 4 Avoid excessive physical shock or vibration. 5 Do not disassemble or deform the battery. 6 Do not immerse in water. 7 Do not use the battery mixed with other different type or model batteries. 8 Keep out of the reach of children. Storage 1, The Li-ion battery pack should be stored in a cool, dry and well-ventilated area, and should be far from the fire and the high temperature. 2, The battery should store in the product specification book stipulation temperature range, the best storage temp. is 25±5℃. The best humidity is 60±15%. 3, The battery should be stored within room temperature, and charged to 40%~60% electric quantity（3.85V）. In order to avoid over-discharge, we suggest charge and discharge the batteries every three months.,Then charge to40%~60%electric quantity(3.85V). Transportation 1 Do not mix the battery products with other car gos. 2 Do not immerse the battery products in water or allow it to get wet. 3 Do not over 7 layers staking and upside-down. 4 The highest temperature in transportation is lower than 65℃. Charge 1 Battery must be charged in appropriate charger only. 2 Never use a modified or damaged charger. 3 Do not leave battery in charger over 24 hours. 4 Charging current: Can not surpass the biggest charging current which in this specification book stipulated. 5 Charging voltage: Does not have to surpass the highest amount which in this specification book stipulated to decide the voltage. 6 Charge temperature: The battery must carry on the charge in the ambient temperature scope which this specification book stipulated. 7 Uses constant current and constant voltage way charge. PLS connect the positive and negative terminals in right way, or the battery may be damaged. Discharge : 1 The discharging current should not surpass the biggest discharging current this specification book stipulation, The large discharge current can cause heat and lower capacity. 2 Discharge temperature: The battery discharge must carry on in the ambient temperature scope which this specification book stipulated. 3 Over-discharge: After short time over discharge, then charge immediately won’t damage the battery. But the battery will be damaged for being long time over discharged. During long-term storage, the battery may be within over-discharging condition for self discharge. To prevent the occurrence of over discharging, the battery should maintain the certain capacity when storage. Handling of Cells 1 Soft Al foil ●Don’t strike battery with any sharp edge parts ●Trim your nail or wear glove before taking battery ●Clean worktable to make sure no any sharp particle 2 Sealed edge may be damaged by heat above 100°C, bend or fold sealed edge. 3 Handling of Tabs The battery tabs are not so stubborn especially for aluminous tab. Do not bend tabs unnecessarily. 4 Tab Connection Ultrasonic welding or spot welding is recommended for LIP tab connection method. Battery pack should be designed that shear force are not applied to the LIP tabs. If apply manual solder method to connect tab with PCM, below notice is very important to ensure battery performance: n The solder iron should be temperature controlled and ESD safe; n Soldering temperature should not exceed 370°C; n Soldering time should not be longer than 3s; n Soldering times should not exceed 5 times, Keep battery tab cold down before next time soldering; n Directly heat cell body is strictly prohibited, Battery may be damaged by heat above approx. 100°C Please select the correct battery terminal interface you need.Special Notes:1、There are three kind of Connectors, please choose the correct version you need.2、As a manufacturer of batteries, we can customize the connector you need,if you need any other types,please contact us.3、When purchasing a LIPO battery, please note the following: First, ensure there is enough installation space to accommodate the battery and its connection wires. Second, when measuring the battery size, the numerical code (like 502030) refers to the thickness, width, and length of the battery itself, excluding the JST connector. Make sure your device can accommodate these dimensions to avoid installation issues.Thank you for your understanding.CaoDuRen Li-PO batteryCaoDuRen batteries can be customized to your desired connector port size and dimensions. They undergo strict quality inspections to ensure exceptional reliability. If you require a large quantity of batteries, we provide on-site factory inspection services. Additionally, purchasing large quantity batteries allows for negotiable pricing. NOInside Allow condition Meet the requirements1 Charge cut-off voltage 4.2v2 Discharge cut-off voltage 2.75v3 Standard charging mode 1. Charge with a constant current of 0.2C to 4.2 V , then turn to a constant voltage of 4.2 V for charging until the charging current is ≤ 0.0 1 C. 2. Charge to 4.2 V with a constant current of 0.5 C , and then charge at a constant voltage of 4.2 V until the charging current ≤ 0.0 1 C Charging time≤8 hours 4 Standard discharge performance After fully charging in the standard charging mode, leave it for 1 hour, and discharge it to 2.75 V with a constant current of 0.5 C. Discharge time ≥ 300Min 5 high temperature performance After the battery is fully charged, it should be placed in an environment of 55 ℃ ± 2 ℃ for 2 hours, and then discharged to 2.75 V with a current of 0.5C. The discharge time is ≥51Min, and the appearance of the battery has no deformation or burst . 6 low temperature performance Charge the battery in standard mode, put the battery in a low-temperature box at (-10±2)°C for 16-24 hours, and discharge it at a constant current of 0.5 C to 3.7 V. The discharge time is ≥210Min, and the appearance of the battery has no deformation or burst . 7 charge retention After charging in the standard mode, the battery was left open circuit for 28 days at an ambient temperature of 20°C±5°C, and then discharged to 2.75 V at a current of 6 C. Discharge time ≥ 255Min 8 cycle life Discharge to 2.75 V with a constant current of 0.2C , then charge 4.2 V with a constant current of 0.5C , then charge at a constant voltage of 4.2 V to a current ≤ 1C, rest for 10Min, discharge to 2.75 V with a constant current of 0.2C , after the discharge is completed , stand still for 10Min, and then carry out the next charge-discharge cycle until the first discharge capacity of 0.5C where the discharge capacity is less than 80% for three consecutive times. Cycle times ≥ 500 times 9 storage performance Charge the battery to 40% to 65% of its capacity in standard mode , and then store it in an environment with an ambient temperature of 20°C ± 5°C and a relative humidity of 45% to 85%. After storage for 12 months, discharge to the cut-off voltage with 0.2C current. The batteries for the storage test should be selected from the batteries whose production date to the test date is less than 3 months Discharge time ≥ 240Min Item Parameter Value Unit Overcharge detection voltage 4.230-4.280-4.330 V Overcharge protection delay ≤200 mS Overcharge release voltage 4.03-4.08-4.13 V Overdischarge detection voltage 2.30-2.40-2.50 V Overdischarge detection delay ≤120 mS Over discharge discharge voltage 2.95-3.00-3.05 V Overcurrent detection voltage 120-150-180 mV Overcurrent detection delay 5-10-20 mS Detection Overcurrent protection current 2.0-3.5-5.0 A Short circuit detection delay ≤320 uS Main circuit conduction resistance ≤65 mΩ Self-consumption Working power consumption ≤6.0 uA Sleep power consumption ≤0.1 uA Operating temperature -40~+85 ℃ Use AttentionsWarnings1 Do not expose to, dispose of the battery in fire.2 Do not put the battery in a charger or equipment with wrong terminals connected.3 Avoid shorting the battery.4 Avoid excessive physical shock or vibration.5 Do not disassemble or deform the battery.6 Do not immerse in water.7 Do not use the battery mixed with other different type or model batteries.8 Keep out of the reach of children. Storage1, The Li-ion battery pack should be stored in a cool, dry and well-ventilated area, and should be far from the fire and the high temperature.2, The battery should store in the product specification book stipulation temperature range, the best storage temp. is 25±5℃. The best humidity is 60±15%.3, The battery should be stored within room temperature, and charged to 40%~60% electric quantity（3.85V）. In order to avoid over-discharge, we suggest charge and discharge the batteries every three months.,Then charge to40%~60%electric quantity(3.85V). Transportation1 Do not mix the battery products with other car gos. 2 Do not immerse the battery products in water or allow it to get wet. 3 Do not over 7 layers staking and upside-down.4 The highest temperature in transportation is lower than 65℃. Charge1 Battery must be charged in appropriate charger only.2 Never use a modified or damaged charger.3 Do not leave battery in charger over 24 hours.4 Charging current: Can not surpass the biggest charging current which in this specification book stipulated.5 Charging voltage: Does not have to surpass the highest amount which in this specification book stipulated to decide the voltage.6 Charge temperature: The battery must carry on the charge in the ambient temperature scope which this specification book stipulated.7 Uses constant current and constant voltage way charge. PLS connect the positive and negative terminals in right way, or the battery may be damaged. Discharge :1 The discharging current should not surpass the biggest discharging current this specification book stipulation, The large discharge current can cause heat and lower capacity.2 Discharge temperature: The battery discharge must carry on in the ambient temperature scope which this specification book stipulated.3 Over-discharge: After short time over discharge, then charge immediately won’t damage the battery. But the battery will be damaged for being long time over discharged. During long-term storage, the battery may be within over-discharging condition for self discharge. To prevent the occurrence of over discharging, the battery should maintain the certain capacity when storage. Handling of Cells1 Soft Al foil●Don’t strike battery with any sharp edge parts●Trim your nail or wear glove before taking battery●Clean worktable to make sure no any sharp particle2 Sealed edge may be damaged by heat above 100°C, bend or fold sealed edge.3 Handling of TabsThe battery tabs are not so stubborn especially for aluminous tab.Do not bend tabs unnecessarily.4 Tab Connection Ultrasonic welding or spot welding is recommended for LIP tab connection method.Battery pack should be designed that shear force are not applied to the LIP tabs. If apply manual solder method to connect tab with PCM, below notice is very important to ensure battery performance:n The solder iron should be temperature controlled and ESD safe;n Soldering temperature should not exceed 370°C;n Soldering time should not be longer than 3s;n Soldering times should not exceed 5 times, Keep battery tab cold down before next time soldering;n Directly heat cell body is strictly prohibited, Battery may be damaged by heat above approx. 100°C
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