Topak Power Technology Co.,Ltd is one of the leading China 48v ebike li ion battery pack manufacturers and suppliers with best China 48v ebike li ion battery pack, 48v ebike lithium ion battery pack, 48v ebike lifepo4 battery pack factory, welcome to wholesale products from us.

48V Ebike Lithium ion Battery Pack

Feature:

1. battery pack for electric bike
2. Lithim ion lifespan >800 cycle lifes 
3. CE, UN38.3, ROHS, MSDS
4. 1year warranty

QC Standard for Cells:

1. In good light,the surface should be smooth and dry,without crack,score,dirt etc.,the identification 2. should be clear and correct.

3. There should be clear polar identifications,the identification should be correct check by voltage meter.

4. Over discharge--no fire,no explosion,no leakage

5. Over charge--no fire,no explosion

6. Short circuit--no fire,no explosion

QC Standard for Battery Pack:

1. Check all connection included cell to cell, data wires between cells and BMS, BMS to the cell, BMS 2. to the discharging port and charging port

3. 100% capacity at 0.2C discharging and in normal temperature 20°c

4. >98% capacitive at 1.5C discharging and in normal temperature 20°c

5. >95% capacity at normal discharging in very high temperature 55°c

6. >50% capacity at normal discharging in very low temperature -20°c

7. Over-discharging testing

8. Over-charging testing

Storage:

1. Use at temperature below 40°C,charge fully prior to long storage periods or if it has been stored for more than three months

2. If you find any single battery voltage is under 2V at room temperature,the battery has been over-discharged or is self-discharging due to some defect/parasitic load. Discontinue use until the fault can be corrected and the battery be recharged

3. Store in an open,well ventilated,dry,clean area, between -20°C to 40°C for maximum life. self-discharge will accelerated at higher temperature

4. Don’t expose the battery to extremes of temperature over 60°C,directly to sources of heat, direct sunlight or moisture and/or rain

Specifications

Type		48V LiNiCoMnO2 Battery Pack
Basic parameters
Weight		≦4.5kg
Dimension(T*W*H)		148*69*360mm
Working temperature	Charge temperature	0～45℃
	Discharge temperature	-20～65℃
Retention of charge(store in one month)		≧95%
Technical Data
Rated voltage		48V
Rated capacity		≧10ah
Battery resistance		≦4mΩ
Charge	Way of charge	CC/CV
	Standard charge current	2A
	Max charge current	5A
	Max charge voltage	54.6V
	Over charge protection voltage	54.6V
Discharge	Standard discharge current	10A can be customized
	Max discharge current	20A can be customized
	Discharge cut-off voltage	36.75V
	Over discharge protection voltage	36.75V
Ratio Discharge	1C	≧96%C1
	2C	≧93%C1
	3C	≧90%C1
Cycle life		500 times, capacity＞60%
Safety Test
Short circuit safety test		No fire, No explosion
Overcharge safety test
Crush safety test
Needling safety test
Extrusion safety test
130℃ High temperature safety test

Lithium Battery Notice

1. Do not heat the battery directly or thrown into a fire.

2. Do not assemble or store in high temperature (over 60 °C) environment

3. Do not short-circuit the battery directly.

4. Do not use acid corrosion of the battery casing.

5. Do not throw it into water or put in wet environment.

6. Do not knock, impact the battery.

7. Do not anatomy cell or change the internal structure of the battery.

Lithium Battery Advantage

* Safety: LiFePo4 is the safest lithium-ion battery cathode material, not burning and no explosion.

* Environmental protection: LiFePo4 does not contain any harmful heavy metal elements, pollution-free both in production and actual use.

* Long cycle life: can charge and discharge more than 1500 times.

Packaging & Shipping

Packaging Details:  cartons with pallet.

Delivery details:      15-20 days after receive deposit.

Payment Terms:

We accept T/T, West Union, Paypal, L/C and so on.

Company Informations:

  TOPAK POWER,a professional battery solution supplier, established in 2007. It is a high-tech enterprise specialized in the R&D, production and sale of battery and solar power systems. Products are 

widely used in the field of civil and industrial. 

  The factory area cover more than 30000 square meters. TOPAK POWER NEW ENERGY has the core consumer electronics team of technical experts and top product desingers. We got great 

achievements on energy development. Products are exported to Europe, North American, South American, Afirca, Middle-east and Asian countries.  

  We strictly carry out ISO 9001:2008 quality system and ISO14001 environment management system.Our products meet CE, RoHS certification standards. With strong capital, large productivity, 

advanced technology and best after-sales, we’ll constant innovation, rapid development to build up a prestigious brand in the world.Company holds the principle of management“customer first, 

Honesty first, Quality first”, wholehearted welcome inquiry and create more beauty future with you!

Certifications:

 

Our Services:

1. Best Qual