72V 40Ah 50Ah 60Ah Lifepo4 Battery 72 Volt Electric Bicycle Lithium Ion Battery Pack
|Discharge Voltage||60V||Charge Current||60A|
|72V 40Ah 50Ah 60Ah Lifepo4 Battery 72 Volt Electric Bicycle Lithium-Ion Battery Pack|
1. Use A grade power lithium ion cells.
|72V 60Ah lithium NMC battery pack|
|Mechanical||Cell & Method||NMC, 20S2P|
|Electrical Characteristics||Rated Capacity||60Ah|
|High Rate Discharge Capacity||＞ 90% Rated Capacity|
|Discharge Capacity @ -20℃(-4℉)||＞ 70% Rated Capacity|
|Internal Impedance(@ 1000Hz.)||≤20 mΩ|
|Cycle Life||＞2000 Cycles @ 1C 85% DOD|
|Months Self Discharge||≤ 5% @ 25℃(77℉)|
|Efficiency of Charge||100% @ 1/3C|
|Efficiency of Disharge||95% @1C|
|Standard Charge||Max Charge Voltage||84V|
|Charge Current||0.5C, 30A|
|Max Charge Current||60A|
|Standard Discharge||Standard discharge Current||1C, 60A|
|Max Discharge Current||120A for 3 seconds|
|Discharge Cut-off Voltage||60V|
|Environmental||Charge Temperature||0 ℃ to 45℃(32℉ to 113℉) @ 65±20%Relative Humidity|
|Discharge Temperature||-20℃ to 60℃(-4℉ to 140℉) @ 65±20%Relative Humidity|
|Storage Temperature||≤ 1 Month, -20℃ to 60℃(-4℉ to 140℉) @ 65±20%Relative Humidity|
|≤ 6 Month, -20℃ to 30℃(-4℉ to 80℉) @ 65±20%Relative Humidity|
1): Are you manufacturer or simply trading company?
Re: We are manufacturer, and we sincerely welcome you to visit our factory!
2): Can I get a lower price if I order large quantities?
Re: Yes, cheaper prices with more bigger size orders.
3): Do you offer charger for battery?
Re: Yes, we do. If you also need charger, please mention it when sending inquiry, kindly note that our charger cost is not included in the battery cost.
4): How about your company intelligence?
Re: ISO9001 certification, China Hi-tech company, 10 million battery assurance, 8 patents, Almost all products are MSDS, UN38.3, IEC62133, CB,etc certificated.
5): When you ship my order?
Re: Normally 5-10days after receiving your payment, but it can be negotiated based on order qty and production schedule.
6): How about the quality guarantee period?
Re: Two year!