Specifications
Brand Name :
Godson or OEM
Model Number :
GS-K250-USB
Place of Origin :
Guangdong, China (Mainland)
MOQ :
50pcs
Price :
Negotiable
Payment Terms :
T/T
Nominal Voltage :
8.4V
Nominal Capacity :
250mAh
Form :
Solid
Type :
Lithium Battery
Description


Emergency Lighting Battery-Rechargeable Lithium Low Temperature Battery 250mAh 9V With USB

Product Parameters:

Pos. Product Parameters Data
1 Cell dimension 18±0.5(D) * 65±0.5(H) mm
2 Nominal capacity 2600mAh
3 Minimum Capacity 2550mAh
4 Norminal voltage 3.7V
5 Standard charging method 0.5C constant current to 4.2V, constant voltage 4.2V continue charging till current decline to ≤0.01C.
6 Charge current 0.5c; 1.0C
7 Standard discharging method 0.5C constant current discharge to 3.0V
8 Operation Temperature and relative humidity Range

Charge: 0~45℃, 60±25%R.H.

Discharge: -20~60℃, 60±25%R.H.

Storage temperature for a long time: -20~25℃, 60±25%R.H.


Product performance:

1.Greater than the energy. At present, the actual specific energy of hyb steel shell battery is 100-135w.h/kg & 280-353w.h/l (2 times of Ni Cd and 1.5 times of Ni MH). With the development of technology, the specific energy can reach as high as150 w.h/kg and 400 & w.h/l.

2.Long service life. The service life of 18650 lithium battery is very long. The cycle life of 18650 lithium battery is more than 500 times, which is more than twice that of ordinary battery.

3.The working voltage of single cell is as high as 3.6-3.8v.

4.Large capacity. The capacity of 18650 lithium batteries is generally between 1200mAh and 3600mAh, while the capacity of general batteries is only about 800. If 18650 lithium batteries are combined to form 18650 lithium batteries, then 18650 lithium batteries will be used Group a can break through 5000 MAH at will.

5.Good safety performance, no pollution, no memory effect. As the predecessor of Li ion, Li ion battery has short circuit due to its easy formation of dendrite lithium, which shortens its application fieldThere are some pollution elements in the environment. One of the disadvantages of some Ni Cd batteries is "memory effect", which seriously restricts the use of batteries, but there is no such problem in Li ion.

Features:

1. High Capacity 9V Size Lithium rechargeable battery.

2. Provides long use time, and widely used in many equipments.

3. Excellent replacement for standard 9V size battery in all the devices.

4. Convenient operation without memory effect. Can be charged anytime.

5. Can be rapidly charged with any quick charger, smart chargers, plug in charger or universal chargers.

6. Can be recharged for up to 500 times, providing big saving by replacing hundreds of throw away 9V batteries.

Performance Curves of Lithium Cell:

1.Lithium Cell Charge Curve (Charge at 1C)

2. Lithium Cell Discharge Curve (Discharge at 1C )

3. Lithium Cell Cycle Life Curve

What are the Factors that Affect the Health of Lithium Batteries?

In recent years, reference documents in various countries around the world have carried out a lot of scientific research on the embrittlement system and regularity of lithium batteries. It is widely believed that the accumulation of lithium-ion batteries, the increase in SEI film thickness and the damage of active materials are caused by the embrittlement and volume attenuation coefficient of rechargeable batteries. The key reason. The indiscriminate use of lithium batteries will accelerate the embrittlement of rechargeable batteries, and all normal charging and discharging will also endanger the physical and mental health of rechargeable batteries and accelerate the embrittlement of rechargeable batteries.

Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB

1. The harm of temperature to the SOH value of rechargeable batteries.
It is generally believed that temperature is a key element that endangers battery health. Temperature has a two-way hazard to battery performance. On the one hand, high temperature will accelerate the internal chemical changes of rechargeable batteries and improve the high efficiency and characteristics of rechargeable batteries. On the other hand, high temperatures will make some irreversibles. The chemical change produced by the rechargeable battery reduces the active material in the rechargeable battery, and causes the embrittlement of the rechargeable battery and the volume attenuation coefficient. Scientific research results show that high temperature will accelerate the growth and development of SEI film of rechargeable batteries, increase the difficulty of lithium-ion batteries through SEI film, and increase the internal resistance of rechargeable batteries.
2. The harm of charging and discharging current rate to SOH composition.
Using sony18650 rechargeable battery to carry out three different charge and discharge multiples of 300 cycle system tests, the results show: the respective attenuation coefficient of battery power, battery power reduction, battery internal resistance expansion, battery internal resistance expansion, battery internal resistance expansion, battery internal In addition, the charging and discharging of polymer cells will cause a lot of heat inside the rechargeable battery, which will accelerate the embrittlement of the rechargeable battery. According to the observation of the transmission electron microscope, the surface SEI film of the charge and discharge level of the polymer cell rechargeable battery is lower. Multiple charge and discharge film thickness.

3. The harm of deep discharge to the SOH value of rechargeable batteries.
Battery charging is deeply related to the battery's physical and mental health and embrittlement. Some insights believe that the battery has accumulated total migration kinetic energy. Based on the total migration kinetic energy, the volume attenuation coefficient and embrittlement of the battery are analyzed. According to the deep cyclic system experiments on different charging and discharging of lithium batteries, Feixiang et al. analyzed the relationship between the accumulated migration kinetic energy of the battery and the battery capacity attenuation coefficient, and obtained that the battery capacity attenuation coefficient reached 85% before the battery is deep charged and deep discharge and shallow discharge The accumulated migration kinetic energy under the two methods are basically the same. When the battery capacity attenuation coefficient reaches 85%~75%, the accumulated migration kinetic energy and high efficiency of kinetic energy under the deep charge and deep discharge method is better than the shallow discharge method.

Why Godson?

-- Great Reliability
Expected life of our Ni-Cd battery pack is more than 5 years; Expected life of our LiFePO4 battery pack is more than 10 years; Our batteries comply with standards of ICEL 1010, IEC 60598, IEC 61951, IEC 61960, IEC 62133 and UN38.3.

-- Professional And Stay Focused
More than twenty years’ experience in battery industry; Keep focusing on emergency lighting battery, e-bike battery and power tool battery.

-- Strict Control In Production Process
ISO9001/2008 standards are strictly implemented in every process of our production.

-- Super High Cost-Effective
Price of our products is much more competitive comparing with our competitors, but with the same or even better performance.

-- Quick Response and Fast Delivery
Every inquiry would be replied within 24 hours, each order would be delivered within 30 days.

-- Flexibility in orders
Small orders acceptable as well.


Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB

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Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB

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Brand Name :
Godson or OEM
Model Number :
GS-K250-USB
Place of Origin :
Guangdong, China (Mainland)
MOQ :
50pcs
Price :
Negotiable
Payment Terms :
T/T
Contact Supplier
Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB
Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB
Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB
Emergency Lighting 9V 250mAh Lithium Battery Low Temperature With USB

Godson Technology Co., Ltd

Verified Supplier
4 Years
guangdong, guangzhou
Business Type :
Manufacturer, Distributor/Wholesaler
Certification Level :
Verified Supplier
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