Large Capacity 48V21ah E-Bike Lithium-Ion Battery with 3pin Charge Part

Large Capacity 48v21ah e-bike lithium-ion battery with 3pin charge part






Battery Group Specification:

CELL	Model			3.7V3.5AH
	Nominal capacity			3.5Ah
	Nominal Voltage			3.6 V
	Impedance Resistance			≤60m
	Combination standard			A:Capacity difference≤100mAh B:Resistance difference≤2m C:remaining capability≥90% D:Voltage difference≤10mV
	Combination method			13S6P
Manangement System	Overcharge Protection Voltage			4.25±0.05V
	Over discharge Protection Voltage			2.80±0.10V
	Over current Protection			20~40A
	Self-consuming current			≤100.0uA
	initial impedance			≤50mΩ
	Temperature protection
Battery Group Specification	Nominal capacity			21Ah
	Minimum Capacity			20.1Ah
	Nominal Voltage			48V
	Resistance			≤150m
	Max Charge voltage			54.6V
Battery Group Specification	Discharge cut-off voltage			27.5~30V
	Wire			UL3135 12# (+) (-)
	Standard charge			2A(CC) charge to 42v, when 42V (CV) is reached, charge rate will reduce to 0.4(A) for full charge.
	charge method	Standard		2A
		Quick		4A
	charge current	Standard		20A
		MAX		40A
	Weight			3.3Kg
	Dimension (H×W×L)			290*114*76mm
	Operating Temperature		Charging	0~+45ºC ,At 60±25%RH
			Dischargin	-20~+60ºC, At 60±25%RH
	Storage temperature			Less than 3 months:-20~45ºC Less than 1 year:-20~25ºC 3:-20~45ºC 1:-20~25ºC At 60±25%RH

Term of trade:

1.Payment:30%advancepaymentbyT/T,70%balanceshouldbepaidoffbeforeloading

2.FOB,EXWandCIFallareavailable

3.Productionleadtime:5-15days

4.Samplecanbedeliveredin2-3days

5.Shippingfreightarequotedunderyourrequests

6.Loadingport:ShenzhenorHongkong

7.Discountsareofferedbasedonlargequantities

Our service:

1. Your inquiry related to our products or price will be replied within 24 hours.

2. All your inquiries will be well explained by our experienced staff.

3. OEM & ODM ,also provide customized service.

4. Distributorship is available for your unique design and some our current models.

5.We will keep secret for customer sale area ,design ideas and all other private information

Q1:Can I havesamplesto test? And what islead timefor sample order?
A1:Yes,we can supply samples in5-7 days depending on the product buyer want, and buyer pay for sample cost and shipping cost.
Q2:Do you provideafter-salesserive?
A2: Yes,the warranty is24months, if any quality problems on our side in this period,you can send to
my company after saleservice center.
Q3 What is your company'sadvantage?
A3: We only supply high level quality oflithium battery and we have a strong designcenter,we also provide high quality after sale service
Q4: Do you acceptOEM/ODM?
A4: Yes,it is avaliable.
Q5: What is yourlead time for the mass order?
A5: General speaking, about 7- 20 days depending on different items after getting down payment
and confirmation about the samples.
Q6: What is yourpayment terms?
A6: Sample payment through Paypal or Western Union, and mass order by T/T or L/C.
Q7:Are you afactoryor a trading company?
A7:Changxing Tianhong lithium battery technology Co.,Ltd. is a professionaland high-tech company which R & D and producethe rechargeable lithium-ion battery which is located in changxing country of
Zhejiang province.
Q8: What kind ofcertificateyou have?
A8: CE,Rohs and MSDS etc.