LFP 48V50AH Powered battery for E-scooter or E-motor

Product Details

1. Scope

This specification describes the performance, testing method, warning and caution of the lithium-ion rechargeable battery. The specification applies to battery supplied by Nanjing Winshinepower, if any other technical information is needed, please contact Nanjing Winsinepower Technology CO., LTD.

2.Basic Performance

No.	Item Name	LFP 48V50AH Powered Battery
PACK performance
1	Rated Capacity	50AH (0.2C Discharge)
2	Rated Power	1500W (Peak power capacity: 3000W (30 Seconds))
3	Size	330 L230 W 160H
4	Weight	18kg
5	Charge-discharge Efficiency	>96%
6	Standard discharging Current	35A
7	Standard charging method	22.5 ± 2.5℃ 0.8C CC ( constant current) charge to 63.75V, then CV (constant voltage 63.75V) charge till charge current decline to ≤ 0.02C
8	Charge current	Standard charge: 10A
8	Charge current	Rapid charge: 20A
9	Cycle life	1500 cycles
10	Communication Mode	N/A
11	Operating environment	Charging 0℃~45℃ max.85% RH
11	Operating environment	Discharging 20℃~55℃ max.85% RH

3. Bill of materials

No.	Materials name	Size	Units	Quantity	Remarks
1	Cell	32700-6000mAh	PCS	13
2	Bms	13S-40A-905822mm	PCS	1
3	Fix support	Epoxy plate	PCS	2
4	Connector	Copper wire	PCS	1
5	EVA	Bead insulation and shockproof	PCS	N
6	Shell	ABS plastic shell	set	1
7	Patch plug	OT+m4 screw	pair	1
8	Wiring1	3135 silicone wire #14AWG-black	m	0.3
9	Wiring2	3135 silicone wire #14AWG-red	m	0.5
10	Others	Tin wire, sealant, double-sided tape, fiber tape, etc.	set	1

4. Cell Information

Item		Condition/ Note	Specification	Remark
2.1 Norminal Capacity		1C discharge capacity	51 Ah
2.2 AC Impedance		At AC 1000 Hz	≤1.0mΩ
2.3 Nominal Voltage			3.6 V
2.4 Cell Size		Cell Diameter	11.6*103 mm	For details, please prefer to Figure 1.
2.4 Cell Size		Cell Height	306mm	For details, please prefer to Figure 1.
2.5 Cell Weight			540± 5 g
2.6 End-of-charge Voltage		CC Mode	4.25 V
2.7 End-of-charge Current		CV Mode	0.3 A
2.8 Charging Method		Standard Charging	0.5 C at CC/CV	60 min
2.8 Charging Method		Quick Charging	1C at CC/CV	30 min
2.9 End-of-discharge Voltage		CC Mode	2.2 V
2.10 Max continuous Discharging Current			51 A
2.11 Max Pulse Discharging Current			100 A	10s
2.12 Cycle Life		1 C/ 100% DOD	1500 cycles
2.13 Operating Temperature Range	Charging Temperature		0~60 °C
	Discharging Temperature		-20~ 60°C
	Storage Temperature	≤one year	-20~ 45°C

5. Appearance and dimension

6. Basic Parameter

	Item		Symbol	Test Method/EQ	Test standard			Unit
	Item		Symbol	Test Method/EQ	Min	Typical	Max	Unit
4.1	Working Voltage		VDD			48		V
4.2	Overcharge protection	OVERCHARGE DETECT VOLTAGE	VDET1	Special test Machine	3.6	3.65	3.7	V
		OVERCHARGE DETECT DELAY TIME	tVDET1	Special test Machine	/	1000	/	ms
		OVERCHARGE DETECT RELEASE VOLTAGE	VREL1	Special test Machine	3.545	3.55	3.555	V
4.3	Overdischarge protection	OVERDISCHARGE DETECT VOLTAGE	VDET2	Special test Machine	2.4	2.45	2.5	V
		OVERDISCHARGE DETECT DELAY TIME	tVDET2	Special test Machine	/	100	/	ms
		OVERDISCHARGE RELEASE VOLTAGE	VREL2	Special test Machine	2.655	2.7	2.75	V
4.4	Overcurrent protection	OVERCURRET DETECT VOLTAGE 1	Voc1	Special test Machine	0.08	0.1	0.12	V
		OVERCURRET 1 DETECT DELAY TIME	Toc1	Special test Machine	2.8	3	3.2	s
		OVERCURRET DETECT VOLTAGE 2	Voc1	Special test Machine	0.28	0.3	0.32	V
		OVERCURRET 2 DETECT DELAY TIME	Toc1	Special test Machine	198	200	202	ms
		OVERCURRET PROTECT CURRENT	IDP	Special test Machine	65	70	75	A
4.5	Short circuit protection	DETECT DELAY TIME	TSHORT	Special test Machine	100	300	600	μ S
4.5	Short circuit protection	PROTECT RELEASE CONDITION		Special test Machine	Cut off or charge on
4.6	Internal resistance	ON-STATE RESISTANCE OF MAIN CIRCUIT	RDS	Special test Machine		45	60	mΩ
4.7	Work current	THE CURRENT OF USUALLY CONSUMED AT WORK	IDD	Special test Machine		36	40	μA
4.8	Sleeping current	THE CURRENT OF CONSUMED WHILE SLEEPING	IPWN	Special test Machine			1.0	μA
4.9	NTC	RESISTENCE AT T	RS	Fluke		/
4.10	Charge current	CONTINUES CHARGE CURRENT	IC	DC power suply	/	20	/	A
4.11	Discharge current	CONTINUES CURRENT AT WORK	ID	Electronic load	/	40	/	A
4.12	0V charge	CHARGE ABILITY WHILE THE BATTERY IN ZERO VOLTAGE		DC power suply	■Yes □No
4.13	Balancing voltage		V		4.075		4.15	4.175
4.14	Balancing current		mA		50mA
4.15	Storage condition		Temperature range: 0℃～30℃		Humidity range: 45%～75%RH
4.16	Communication mode		N/A

7. Port definition and connection

Port	Definition
1: B-	Battery positive
2: P-	Charge and discharge Positive
Connection method
1: B0	Battery String 0
2: B1	Battery String 1
3: B2	Battery String 2
4: B3	Battery String 3
5: B4	Battery String 4

8. Packing list

	Name	Quantity	Remarks
1		1PCS
2		1PCS
3		1PCS
4		1PCS
5		1PCS

9. Storage and Shipment Requirement

Item		Requirement
Storage environment	Short period less than 1 month	-20°C ~ +45°C, 85％RH Max
	Long period more than 3 month	-10°C ~ + 45°C, 85％RH Max
	Recommend storage	15°C ~ 35°C, 85％RH Max
Long time storage: If the cell is stored for a long time, the cell’s storage voltage should be 48-50V and the cell is to be stored in a condition as No.4.1. Also, it is recommended to charge the cell every six months.

10. Warning and Cautions

Danger warning (it should be described in manual or instruction for users, indicated especially) to prevent the possibility of the battery from leaking, heating, explosion. Please observe the following precautions:

◆ Do not immerse the battery in water and seawater. Please put it in cool and dry environment if no using.

◆ Do not discard or leave the battery near a heat source as fire or heater.

◆ Being charged, using the battery charger specifically for that purpose.

◆ Do not reverse the positive and negative terminals.

◆ Do not connect the battery to an electrical outlet directly.

◆ Do not connect the positive and negative terminal directly with metal objects such as wire. Short terminals of battery are strictly prohibited; it may damage battery.

◆ Do not transport and store the battery together with metal objects such as necklaces, hairpins.

◆ Do not strike , throw or trample the battery.

◆ Do not directly solder the battery and pierce the battery with a nail or other sharp object.

◆ Do not use lithium ion battery and others different lithium polymer battery model in mixture.

◆ Prohibition of use of damaged cells.

◆ Do not bend or fold sealing edge. Do not open or deform folding edge Do not fillet the end of the folding edge.

◆ Do not fall, hit, bend battery body.

◆ Battery pack designing and packing Prohibition injury batteries.

◆ Never disassemble the cells

◆ The battery replacement shall be done only by either cells supplier or device supplier and never be done by the user.

◆ Keep the battery away from babies.

11. Caution

◆ Do not use or leave the battery at very high temperature conditions (for example, strong direct sunlight or a vehicle in extremely hot conditions). Otherwise, it can overheat or fire or its performance will be degenerate and its service life will be decreased.

◆ Do not use it in a location where is electrostatic and magnetic greatly, otherwise, the safety devices may be damaged, causing hidden trouble of safety.

◆ If the battery leaks, and the electrolyte get into the eyes. Do not wipe eyes, instead, rinse the eyes with clean running water, and immediately seek medical attention. Otherwise, eyes injury can result.

◆ If the battery gives off an odor, generates heat, becomes discolored or deformed, or in any way appear abnormal during use, recharging or storage, immediately remove it from the device or battery charge and stop using it.

◆ In case the battery terminals are dirt, clean the terminals with a dry cloth before use. Otherwise power failure or charge failure may occur due to the poor connection with the instrument.

◆ Prohibition of use of damaged cells.

◆ Be aware discharged batteries may cause fire; tape the terminals to insulate them.

12. Note

Note(1): The period of warranty is THREE year from the date of shipment from Nanjing Winshinepower Tecnology Co.,Ltd , guarantee to give a replacement in case of battery with defects proven due to manufacturing process instead of the customer abuse and misuse.

Note(2): The customer is requested to contact in advance if and when the variations of the operating conditions described in this document. Additional

experimentation may be required to verify performance and safety under such conditions.

Note(3): take no responsibility for any accident when the cell is used under conditions outside of this specification.

Note(4): inform the customer in writing of improvement(s) regarding proper use and handling of the cell if it is deemed necessary.

Energy reserves the right to revise this specification before the customer signs the datasheet. If a revision is required, notify the customer.

Any issues not covered in this specification should be discussed between the customer and our company