English 
 |
| Quantity: | |
|---|---|
Shenzhen, China
10000set/Week
T/T, Western Union, Paypal
303450
500mAh
3.7V
Electric Bike
Li-ion
Delongtop
Export Carton
3*34*50mm
China
Lithium-Polymer Battery Pack
Series and Parallel
Chargeable
Low Discharge Rate
Small
Battery
li polymer battery specification:
| Model | DEL-303450 |
| Nominal voltage | 3.7V |
| Nominal capacity | 500mAh |
| Size | Thickness × Width × Length (mm) |
| 3.0±0.2 × 34.0±0.5 × 50.0±0.5(mm) | |
| Main characteristics | High energy density,good capacity,better safety and reliable(with PCM),long circle life,no memory,never explosion,stable performance,environmental,capacity and size could be customized |
| Weight | about 10g |
| Max charge current | 1C li-polymer battery 7.4v 3600mah |
| Charging method | charge with constant current 1C to 4.2V,then charge with constant voltage 4.2V till charge current less than 0.01C |
| Max discharge current | 1C li-polymer battery 3.7v 300mah |
| Discharge cut-off voltage | 3.0 V, the over-discharge detection voltage of PCM |
| Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH |
| Discharging, -20°C~60°C ; 65±20%RH | |
| Storage environment | -20°C~45°C |
| 65±20%RH | |
| storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V | |
| CycleLife (80% Prime Capacity) : | >500times |
| Charging Attention | Charging current and charging voltage should be less than specified in the Product Specification. |
| The charger shall be designed to comply with Specification. | |
| It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical,mechanical safety performance. li-polymer battery 3.7v 300mah |
Features:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 or 1000 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leakage
9) Very good and quick charge, capability can be charged to 90% within 10 min.
10) Thickness can be adjusted while width and height keep the same
Advantage:
1.High Energy Density.
2. High Output Voltage.
3. Excellent Security.
4. Long Cycle Life: More than 500 repeated charge/discharge cycles.
5. Fast Charge Capacity: Can be fully charged in 2 to 3 hours with a rated voltage of 4.2 per cell
6. Environmental-friendly: No Pb, Cd added
7.Dual IC chips, that can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload;
8.Injection Technology to make battery more stable;
9.With short-circuit production function, safe and reliable;
10.Factory mastered technology and competitive price;
Company Information
Shenzhen DeLong Energy Technology Co., Ltd. is a Professional New Energy Supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide. It was established in 2006 and becoming the leading player in the new energy field through development. Delong company intergrates the cell manufacturing and offer of power solution in according to different application purpose.Our products are widely applied on digital device battery,high discharge rate battery, powerful electric vehicles battery, low and high temperature lithium ion battery, power storage and back-up battery pack etc.
1. 12 Years professional manufacturering experience.
2. Your inquiry related to our products or price will be replied within 24 hours.
3. One-stop OEM & ODM service; or our current models.
4. Fast delivery; Professinal and quality 100% QC inspection.
1:Can I have samples to test? And what is lead time for sample order?
Yes,we can supply samples,the leadtime for samples is 3-5 days.and buyer pay for sample cost and shipping cost.
2: Do you provide after-sales serive?
Yes,the warranty is 12 months, if any quality problems on our side in this period, we can send new one as replacement.
3: Do you accept OEM/ODM?
Yes,it is avaliable.
4:Are you battery real capacity?
All of our battery cells with Grade A,100% new and real capacity.
5: What kind of certificates do you have?
We can provide CE,ROHS,FCC,IEC62133,MSDS,UN38.3 if your order quantity is big.
li polymer battery specification:
| Model | DEL-303450 |
| Nominal voltage | 3.7V |
| Nominal capacity | 500mAh |
| Size | Thickness × Width × Length (mm) |
| 3.0±0.2 × 34.0±0.5 × 50.0±0.5(mm) | |
| Main characteristics | High energy density,good capacity,better safety and reliable(with PCM),long circle life,no memory,never explosion,stable performance,environmental,capacity and size could be customized |
| Weight | about 10g |
| Max charge current | 1C li-polymer battery 7.4v 3600mah |
| Charging method | charge with constant current 1C to 4.2V,then charge with constant voltage 4.2V till charge current less than 0.01C |
| Max discharge current | 1C li-polymer battery 3.7v 300mah |
| Discharge cut-off voltage | 3.0 V, the over-discharge detection voltage of PCM |
| Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH |
| Discharging, -20°C~60°C ; 65±20%RH | |
| Storage environment | -20°C~45°C |
| 65±20%RH | |
| storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V | |
| CycleLife (80% Prime Capacity) : | >500times |
| Charging Attention | Charging current and charging voltage should be less than specified in the Product Specification. |
| The charger shall be designed to comply with Specification. | |
| It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical,mechanical safety performance. li-polymer battery 3.7v 300mah |
Features:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 or 1000 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leakage
9) Very good and quick charge, capability can be charged to 90% within 10 min.
10) Thickness can be adjusted while width and height keep the same
Advantage:
1.High Energy Density.
2. High Output Voltage.
3. Excellent Security.
4. Long Cycle Life: More than 500 repeated charge/discharge cycles.
5. Fast Charge Capacity: Can be fully charged in 2 to 3 hours with a rated voltage of 4.2 per cell
6. Environmental-friendly: No Pb, Cd added
7.Dual IC chips, that can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload;
8.Injection Technology to make battery more stable;
9.With short-circuit production function, safe and reliable;
10.Factory mastered technology and competitive price;
Company Information
Shenzhen DeLong Energy Technology Co., Ltd. is a Professional New Energy Supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide. It was established in 2006 and becoming the leading player in the new energy field through development. Delong company intergrates the cell manufacturing and offer of power solution in according to different application purpose.Our products are widely applied on digital device battery,high discharge rate battery, powerful electric vehicles battery, low and high temperature lithium ion battery, power storage and back-up battery pack etc.
1. 12 Years professional manufacturering experience.
2. Your inquiry related to our products or price will be replied within 24 hours.
3. One-stop OEM & ODM service; or our current models.
4. Fast delivery; Professinal and quality 100% QC inspection.
1:Can I have samples to test? And what is lead time for sample order?
Yes,we can supply samples,the leadtime for samples is 3-5 days.and buyer pay for sample cost and shipping cost.
2: Do you provide after-sales serive?
Yes,the warranty is 12 months, if any quality problems on our side in this period, we can send new one as replacement.
3: Do you accept OEM/ODM?
Yes,it is avaliable.
4:Are you battery real capacity?
All of our battery cells with Grade A,100% new and real capacity.
5: What kind of certificates do you have?
We can provide CE,ROHS,FCC,IEC62133,MSDS,UN38.3 if your order quantity is big.
