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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: FCY
  • Model Number: FCY126000
  • Type: Li-Ion
  • Nominal Voltage: 3.7v
  • Size: 42*45mm/custom size
  • Nominal Capacity: 6000mah
  • Application: waterproof/diving products
  • Cell QTY: 3pcs/6pcs/others
  • cycle life: > 500 times
  • Output: 12.6v/2A
  • Output plug: DC 5.5*2.1mm/Customized
  • Working Current: 2A
  • Color: Silver/Black/others
  • Discharging Temperature: -20-60℃
  • Storage Temperature: 15-35℃
  • Charge/discharge Port: IP68 Waterproof Joint (selectable)

Packaging & Delivery

Packaging Details OEM/ODM packaging/ OEM/ODM are accepted
Delivery Time 7-10 days for samples,10-20 days fro bulk orders


12v lithium rechargeable diving/waterproof battery with Trade Assurance


Product Description

Product Name:

Diving Clothing Lithium Battery FCY15y08

Model NO


Interior Structure

18650(Samsung and Panasonic)

Nominal Voltage





Nominal Capacity






42*45 (Customized the length)

Standard Discharging Current


Max Discharging Current


Instant Discharge Current


Discharge Over-current Protection Current

15A (Customized)

Over-current Protection Recover

Aoto Recover/ Charging Recover

Standard Charge Voltage



Standard Charge Current


Max Charging Current


Self-discharge Rate Monthly

Less than 1%

Overcharging Protection


Over-discharging Protection


Over-current Protection


Over-temperature Protection


Short Circuit Protection


Display Function


Charge Port

IP68 Waterproof Joint (selectable)

Discharge Port

IP68 Waterproof Joint (selectable)

Charging Temperature




Diving/Waterproof products,LED flashlight battery, cordless phone batteries, camera batteries, laptop/notebook batteries, GPS devices, PDA batteries, telecommunication systems, power electric vehicles etc.


We could provide the lithium battery  with the capacity of 2000mAh to 3400mAh. Such as 2000mAh, 2200mAh, 2400mAh, 2600mAh 3000mah etc.


Besides, we could assemble the batteries packs according to the customer’s requirements. Such as 2S1P, 3S2P,and so on.



 1. the capacity is 100% enough.

 2. self-discharge is small. 

 3. the distinction of capacity between two cells is less than 10 mAh.

 4. the distinction of voltage between two cells is less than 0.03v.

 5. the internal resistance is 3mΩ-5 mΩ.

 6. Low Maintenance, no periodic discharge is needed; there is no memory.

 7. Very low profile Batteries resembling the profile of a credit card are feasible. 

 8.Flexible form factor, Manufacturers are not bound by standard cell formats. With high volume. 

 9. Lightweight, Gelled electrolytes enable simplified packaging by eliminating the metal shell.  

10. Improved safety, More resistant to overcharge; less chance for electrolyte leakage. 


Warranty Instruction

1. Product that used normally according to specification have one-year guarantee for free repair and replace, in that it goes wrong due to quality. By the way, warranty period starts from purchase date.

2. If there is any damage, please don’t dismantle it. Sent it back to us for repair, and we will give you response or send off within one week after receiving.



1. Do not put battery into the heated vessel, washing machine or high pressure container

2. Do not use battery with other maker’s batteries, different type ,brand and /or models of batteries such as dry battery

3. If battery generate heat, smell, change color and /or sharp, and/or cause other abnormality during use, charge or storage. Please stop using it

4. If battery generate bad smell and/or leaks electrolyte, please leave away from the battery

5. If electrolyte leaks to your skin or clothes, please use water to clean immediately.

6. If electrolyte leaks to your eyes, please do not knead and wipe your eyes, and use water to wash the eyes immediately and see a doctor ASAP.



Packaging & Shipping

Packaging Details: OEM/ODM packing 
Delivery Detail: 7-10 days for samples,10-20 days for bulk orders 
Payment terms: Western Union, T/T,L/C
Shipping terms: UPS,DHL,TNT,Fedex


Our Services

 1.  Return Policy

We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to give an exchange or refund the product price less S&H within 30 days. Contact us first for return authorization before you ship back the package. Additinally, the product must be in its original condition: including box, packaging, and all other accessories. No refund will be made for damaged parts. If we send the wrong item, we will take care of everything for exchange. If buyer places the wrong order, we accept exchange or refund money on item with 15% restocking fee and shipping is nonrefundable.

2. Customer Service

( 1 ) Communication: We usually replies to emails within 3-4 hours during working time. 

( 2 ) Order processing: Most orders are shipped within 3~5 days *except during Holidays and vacation.

(3) We will try to help you with any technical/setup issues to our best knowledge.


Company Information


1) FCY  Technology Co., Ltd., Shenzhen was established in 2003. Is a high-tech enterprise dedicated to the innovation and development of new energy lithium battery applications. 


2) Our head office is in HongKong,Yangzhou is our production and research department,Shenzhen is our markeing center.


3) The most of our products are for export, our export market is manily in Europe and America etc developed countries.


4) FCY is one of the high technology firms which devotes to R&D the new energy, mainly engaged in the electronic electrician supporting lithium battery, digital products of lithium battery. Develop, produce and sell three series of Mining military security battery. 


5) The products of FCY have passed the ISO9001, CE, SGS, MSDS, such as UN38.3 

6) We are a member of Trade Assurance Service. That is new service provided by alibaba, which can provides buyers with a number of Trade safeguards protect buyer’s payment to suppliers, and to ensures fulfill their obligations regarding order delivery time and product quality.





1) Can we get samples for free?

Answer: Sorry, free samples are not available for small orders, just suits for devolping projects.

 2) What's your warranty for products?

Answer: Generally speaking, it's one year's warranty, for quality problems, we accept sending back.

 3) Can you do a project in our own logo?

Answer: Yes, we can do totally as customized.


What can we do for you?


  • strict QC control
  • many relevent certificates approved
  • factory price,more reasonable than that of trading company
  • considerate after-sales services, hope for quick feedback from you.
  • Alibaba.com onsite assessed supplier,more reliable









Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer
Transaction Level:
Supplier Assessments:
11 Transactions 140,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $75,000
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