How to test lipo battery, 3.7V 300mah 204040 good lithium lipo battery
thickness × width × length (mm)
High energy density
Safety and reliable
Long cycle life
Never explosion,stable performance,environment friendly
capacity and size could be customized
Max charge current
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
Discharge cut-off voltage
3v, the over-discharge detection voltage of PCM
Charging, 0°C ~ 45°C ; 65±20%RH
Discharging, -20°C~60°C ; 65±20%RH
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;
CycleLife (80% Prime Capacity) :
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.
Sanyo,Panasonic,Samsung,Sony,LG 18650 li-ion cell
PCB Safety Function
Cell balancing,Over-discharge,Over current protection, Over-charge,Temperature protection,Secondary protection.
1) Green product
2) Long standby time
3) One year warranty
4) Excellent safety performance
5) Excellent storage performance and low self-discharge rate
6) Short circuit testing passed
7) Overcharge testing passed
8) Over discharge testing passed
Widely applied in electronic products ,POS system, Solar supply system, electric tools, lighting devices, toy and emergency device , cordless phone, instrument and apparatus, Portable equipment: Laptop, camcorder,emergency light , Military equipment: IR telescope, Medical devices, household appliances, small portable Power tools and etc.
1.Provide both single cells and battery packs
2.100% inspection before delivery
3.Inspects inner resistance, discharge platform and self-discharge
4.IEC standard, capacity ranges from 120mAh to 200Ah
5. manufacturer of 18650 lithium ion battery,lithium polymer battery etc.
6.customized packs, tags,labels, plugs, connectors, over current protection, temperature cont
2.Bulk production: sending out by cargo shipping / air freight / Express
Please kindly advise thevoltage,continuous current and peak discharge current of your equipment or device,and the capacity of the battery you want.more details of your equipment or device we know, the price will give you more quickly.
We can offer varies of Polymer lithium battery cells and packs according to your requirements. If find any enquiry, please contact me freely.