72v 40ah electric motorcycle 8000w ebike battery aluminium air battery

Product Overview

Description

 

  Graphene battery for e rickshaw 72v 40ah electric bicycle battery

  

72V Electric Battery   The current product parameters, please help to view the product description
Type:	Lithium Ion battery	Dimension:	21*8*15cm	Standard  Charging  method :	CC-CV(constant voltage with limited current)
Specification:	20S16p/8p 18650/21700	Nominal voltage:	72V	Shape:	Rectangle shape Triangle shape
Nominal capacity:	40Ah	Max charge voltage:	84V	Operating  temperature :	Charging: 0 °C ~+45 °C Discharging: -20 °C ~+60 °C
Weight:	Around 15kg	Charge current:	Standard Charging: 0.5C Rapid charge: 1.0C	Storage temperature:	-20°C~ 60°C
Max. Discharge current:	30A or  as customer's request	Cycle life:	more than 500 times

                                           

 

                                                         

 

                                                       

 

                           

                            

 

 

                            

 

 

 

 

           

                              

1. Professional and rich experience in lithium ion battery.

2. Capacity and size can be customized, individual lithium ion battery can be assembled in parallel and series into stacks as required by customers.

3. Strong R&D team to support.

4. Provide A grade battery cells, 100% quality assurance.

5. Competitive price, good sale and after-sales services.

6. reply within 24 hours.

                     

                               

 

1. What’s your main equipment?

Capacity test machine, Automatic select machine, Automatic welding machine, Semi-Automatic welding machine, Print machine, Tangent machine, etc.

 

 2.How many engineers and QC?

5 engineers( circuit engineer, structure engineer,  R&D engineer(2), chief engineer), 6 QC(IQC(1), IPQC(2), OQC(1), BMS QC(2))

 

3. Where is your main market? Is there any big customer?

Europe and North America: 65%, other area:35%

Yes, but big customers informations is related to business secret, so can’t offer.

 

4. How about Automatic welding machine production volume?

Normally Automatic welding machine is used for bulk orders or big battery pack: 100 units/hour.

 

5. What’s your main products and hot selling products in your company?

Lithium ion battery pack; Electric bike battery; LiFePO4 battery; Li-polymer battery

 

6. What’s the capacity when battery is shipped out?

Capacity is 30% according to IATA(International air Transport Association) rule.

 

7. Can you print or paste label or package goods as our requirements?

Absolutely.

 

8. Are cells 100% tested?

Yes.

 

9. If bulk order, is there any discount for order?

Yes, of course

 

10. Does your battery dangerous to use?

First we use high quality Chinese cells or brand cells, all of our battery’s BMS  have overcharge, over-discharge, over-current, short circuit to protect,so it’s very safe to use.