18650 Electric Scooter Battery Foldable Carbon Fiber 25.2V 8ah 7S4P Built-in Smart BMS / PCM Electric Bicycles/scooters CN;GUA

(Approx.) Weight (Approx.) : 1500±20g
Cell Impedance ≤220mΩ (Max, at 1000Hz.)
Standard Charge: 0.2C5A×8hrs
Quick Charge:  0.5C5A×5hrs.

Operating Temperature at Charge:  0℃～45℃
Operating Temperature at Discharge:  -10℃～75℃
Storage Within a month: 0℃～45℃
Within a month to three months:  5℃～40℃
Within three months to one year: 10℃～35℃

Safety Characteristic

Overcharge: No fire, No explosion

Over Discharge: No fire, No explosion

Short Circuit at Room Temperature: No fire No explosion

PCM parameter

Over charge Protection:

Over charge detection voltage: 4.275±0.025V

Over charge detection delay time: ≤1.5s

Over charge release voltage: 4.175±0.025V

Over discharge protection:

Over discharge detection voltage: 2.5±0.10V

Over discharge detection delay time: ≤1.5s

Over discharge release voltage: 2.7±0.05V

PCM parameter

Over current protection:

Over current detection current: 80±20A

Detection delay time : ≤50ms

Release condition: Cut load

Short protection:

Detection condition: Exterior short circuit

Detection delay time: 600us MAX

Release condition:Cut short circuit

Q1. Can I have a sample order for battery?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?

A:Sample needs 1-2 days, mass production time needs 1-2 weeks for order quantity more than 500units.

Q3. Do you have any MOQ limit for battery order?

A: Low MOQ, 1pc for sample checking is available

Q4. How do you ship the goods and how long does it take to arrive?

A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q5. How to proceed an order for battery?

A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.

Q6. Is it OK to print my logo on battery product?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?

A: Yes, we offer full 12 months warranty to our products.

Q8: How to deal with the faulty?

A: Firstly, Our products are produced in strict quality control system and the defective rate will be less
than 0.2%.
Secondly, during the guarantee period, we will send new batteries with new order for small quantity. For
defective batch products, we will repair them and resend them to you or we can discuss the solution i
ncluding re-call according to real situation.