lithium ion Energy Battery Use Power Storage Type 21700 3.7V 40E 45E Lithium Battery
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- Supplier: Shenzhen Kayjx Technology Co. Limited
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Product Overview
Description
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Specification
Model Name | 3.7V 21700 4500mAh | |||||||
Rechargeable | Yes | |||||||
Weight | 68g | |||||||
Nominal capacity: | 4500 mAh | |||||||
Max size(PET film ) | Diameter:21.7±0.15mm (Height):70.8±0.2mm | |||||||
Applications | Engine starting battery, electric bicycle/motorcycle/scooter, golf trolley/carts, power tools...Solar and wind power system, RV, caravan | |||||||
Real Capacity | 4500mAh | |||||||
Nominal Voltage | 3.7V | |||||||
Max Charge Voltage | 4.2V | |||||||
Standard charge-discharge current | 0.2 C(900mA) &25℃ | |||||||
Max charging current (continue) | 0.5 C(2.25A | |||||||
Internal Resistance | ≤25 mΩ (AC Impedance, 1000 Hz) | |||||||
We Guarantee:
1.All celles must be Authentic A Grade battery,new brand battery with factory QR code on it.
2.Support fully refund if B quality cell or bad quality cell received from us!
3.100% Technical Support.
4.Every week new arrival genuine brand fresh stocks for Lifepo4 cell。Pls do not worry about stocks problem with us.
Widely Application:
1. Electric golf car, electric vacuum sweeper,e-scooter, LEV,
2.Communication equipment: cordless telephone, inter-phone.
3.Electronic toy, model airplane, remote control,modality equipment and consumer electronics.
2.Communication equipment: cordless telephone, inter-phone.
3.Electronic toy, model airplane, remote control,modality equipment and consumer electronics.
Customer Feedback
Shenzhen Kayjx Technology Co., Limited
Entered the new energy industry in 2013, mainly engaged in lithium iron phosphate battery,
energy storage battery pack, portable power supply, etc. Provide new energy battery products related to home solar energy storage and outdoor power supply.
energy storage battery pack, portable power supply, etc. Provide new energy battery products related to home solar energy storage and outdoor power supply.
We not only provide customers with high quality batteries and battery packs, but also design the best
battery solutions according to the actual needs of customers. Products are widely used in: household solar energy storage, UPS system, RV, golf cart, communication base station standby power supply, forklift, yacht and other power supply fields.We have a professional R & D team, enthusiastic sales staff, sincere after-sales staff, committed to providing quality products and services, the company's products have obtained UL、CE、 UN38.3、MSDS、 IEC etc. We have a professional technical team and focus on customer needs to provide.
battery solutions according to the actual needs of customers. Products are widely used in: household solar energy storage, UPS system, RV, golf cart, communication base station standby power supply, forklift, yacht and other power supply fields.We have a professional R & D team, enthusiastic sales staff, sincere after-sales staff, committed to providing quality products and services, the company's products have obtained UL、CE、 UN38.3、MSDS、 IEC etc. We have a professional technical team and focus on customer needs to provide.
FAQ
Q:Do you have MOQ ?
Reminder:
1).Warranty period:3 years.
2).If any miss or damaged for the shipping, contact us firstly, and send us the picture or video to check.
3).These situations not provide return nor refund
1. After the assembly or assembly process happen any problem, such as the protection board connected to the wrong wire burned lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.
2. For damage caused , such as battery bulge/welded, battery pack without protection BMS caused by charging.
A:No limited. More quantity has better price, we will check the best price for you.
Q: What is your term of payment?
A: We adopt T/T,Paypal,Wester union and so on.
Q: What about the delivery time and shipping?
A: For USA,Canada,Austraila and European country , we provide tax included services, door to door, once you place an order ,then you will receive your new battery pack at your home! We also have Oversea warehouse service, 3-7days arrive, no tax fees, please contact with our sales !
Q:Which shipping method you usually take?
A: UPS, FEDEX , Post Mail and so on. We can also ship with your own shipping agent.
Q:How do I know whether you've shipped my order or not?
A: Tracking No. will be offered as soon as your order be shipped out. Before that, our sales will be there to check
the packing status, photo you the done order and let you know the forwarder picked it up.
Q:Are the batteries GRADE-A,Brand NEW?
A:Yes, GRADE A + quality. the QR code is intact, Brand new.
A:Yes, GRADE A + quality. the QR code is intact, Brand new.
Reminder:
1).Warranty period:3 years.
2).If any miss or damaged for the shipping, contact us firstly, and send us the picture or video to check.
3).These situations not provide return nor refund
1. After the assembly or assembly process happen any problem, such as the protection board connected to the wrong wire burned lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.
2. For damage caused , such as battery bulge/welded, battery pack without protection BMS caused by charging.
Kind Tips:
*These products are prototype batteries, you need to purchase a match one!
*You can directly click on the product on the left to purchase or contact us directly for details.
*These products are prototype batteries, you need to purchase a match one!
*You can directly click on the product on the left to purchase or contact us directly for details.
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