Wholesale OptimumNano 48v 40ah lithium ion battery     

48v 40ah lithium battery

Advantages:

1. High quality long life span lifepo4 battery

2.Warranty:24months guarantee
3.Factory located:Shenzhen of China
4.Quality: A team is composed of hundreds QC inspectors to control the progress quality .

5.Safety : currently the safest li-ion battery, CE UL approved ,none fire ,none explosive.

6.Environment friendly , no toxic material contained.

7.Powerful : Low rate battery can discharge in 15C.

8.Long life cycle ,more than 2000 cycle in 0.5C-1C discharge.

9.No memory effect: can be recharged any time, no reduction of capacity.

10.Broad operation temperature -20---60 centigrade.

11.Small in size and light in weight.: Compare with our battery ,1/2 size of lead acid battery,70% size of Ni-MH Ni-Cd battery. 1/2 weight of lead acid battery.

1. Covered by K=K cartons or wonden boxes

1. By sea/air/express

1. Samples are available with charged.
2. Every battery pack can be customized according to your specific demand.
3. 2 years warranty. 

1. OPTIMUMNANO has more than 6000 employees, including of 1500 R & D persons, covering a production area of 80.000 m2 and has brought in over 1000 sets of advanced production equipments. Now we can produce 600,000 pcs of 32650-5.5Ah cells per day .
2. We are the BV(Alibaba) and SGS(Made-in-Chia) approved LiFePO4 battery manufacturer and We has strictly performed ISO9001:2008 quality management system and attained TS16949 certificates since 2009 as well as other products certificates of CE,UL,UN38.3,ROHS,SGS-IEC62133 etc.