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2023 Hot Sales High-quality Lithium Ion Battery 12v 40ah Super Rechargeable Pack

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11.1V NCM lithim-ion battery pack parameter
Cell type 18650 NCM battery cell
Cell capacity 2500mAh
Cell layout

3S

6P

3S

8P

3S

10P

3S

12P

3S

14P

3S

16P

3S

18P

3S

20P

3S

22P

3S

24P

3S

26P

3S

28P

3S

30P

3S

32P

3S

34P

3S

36P

3S

38P

3S

40P

Norminal voltage 11.1V
Norminal capacity 15Ah 20Ah 25Ah 30Ah 35Ah 40Ah 45Ah 50Ah 55Ah 60Ah 65Ah 70Ah 75Ah 80Ah 85Ah 90Ah 95Ah 100Ah
Discharge cut-off voltage 8.4V
Charge cut-off voltage 12.6V
BMS current 15A
BMS function overdischarge, overcharge, short circuit protection & equalization function
Discharge current ≤15A
Charge current
Depth of discharge ≥95%
Cycle life 800~1000 cycles
Dimension Depends on the layout of battery cell, customizable
Accessory Wire Pair with 30cm 16# silica gel wire for postive and negative pole
IP level IP65
Warranty 3 years
Cell certification IEC 62133, CB, BIS, RoHS, MSDS, UN38.3
Application Solar street light, energy storage battery, backup power station, balanced car, portable medical appliances, cordless power tool, cordless home appliances, drone, children car


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Company Information    
12v small battery      
Packaging & Shipping

40ah Lithium Ion Battery  

FAQ  

1.What products do you make?
We provide lithium ion battery for street light, customized lithium battery pack for the most electrics appliances, solar storage battery, electric bicycle battery, and portable power station.

2.Do you provide OEM service?
YES. The required quantity is 200 pcs and above.
3.How long does it take for sampling?
It takes 2-3 days for small battery pack(with capacity below 50AH), and 4~7days for big battery pack(with capacity above 50AH).
4.How long is your lead time?
The lead time is 5~7 days for orders with quantity below 50 pcs, 8~15 days for 50-300 pcs, and 10~20 days for 500 pcs and above.
5.How do you ship the goods?
We generally ship the sample via DHL, UPS, EMS, Fedex, TNT, and normal orders by sea or by air, depends on the quantity of the order. If you need us to arrange shipping for you, we will approach the best method to lower your cost.
6.How do you guarantee the quality?
Our production is proceeding with the guideline of ISO9001 quality management system and we have a strict QC procedure for picking out unqualified products, which is battery capacity classifying, aging, sampling inspection, general testing, discharge testing and appearance checking, with all the procedure gone over, we can control the faulty rate below 0.003%.
7.How long is your warranty?
3 years for solar street light battery, battery pack and solar storage battery, 1 year for portable power station. Besides, all of our products have been insured by CPIC, so please rest assured of the safety performance.
8.For solar street light battery, what should I know about rainy or cloudy days?
The battery for solar street light is hardly being charged during rainy or cloudy days, so it should be customized to be capable for working in the worst weather condition locally, so please let us know how long are the continuous rainy or cloudy days that your could estimate.
  

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Add: 12-2-4, Sida Ind. Park, (no. 19, Keyuan East Rd.), 5-13, High-Tech Zone, Jiangmen, Guangdong, china
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