Send Message
Contact Us

Contact Person : YI QUAN

Phone Number : 13631634942

Whatsapp : +8613662635407

Free call

Polymerthe Wearable Device Battery 800mAh 3.7V Rechargeable

Minimum Order Quantity : 10000PCS Price : Negotiated The Price
Packaging Details : Customer Requirements Delivery Time : 30-45 work days
Payment Terms : T/T, D/P, D/A, L/C Supply Ability : 5000PCS /Day
Place of Origin: MADE IN CHINA Brand Name: FUNPACK
Certification: CE ROHS Model Number: TK20

Detail Information

Minimal Capacity(Cmin): 800mAh /2.96Wh Typical Voltage: (3.7*1S1P) V
Charge Cutoff Voltage: (4.2±0.03*1S1P) V Standard Charging: 0.2C
Standard Discharge: ≤ 230mΩ Allowable Humidity Range: 10%~90%
Cycle Life: 300 Cycles(25°C±3°C) Size: 30*36*7mm
High Light:

Polymerthe Wearable Device Battery


800mAh Wearable Device Battery


Wearable Device 3.7V Rechargeable Battery

Product Description

Wearable Device Battery 800mAh 3.7V with PCB Polymerthe Lithium-ion Rechargeable Battery


Product Description:

Worldwide approvals and certification of safety standards No development costs, fast time-to-market Life expectancy: Up

to 80% of initial capacity after 500 cycles Smart batteries with numerous features according to the SMB us specification 

Rechargeable batteries have built-in high quality PCB board, thermal protectors and circuit breakers,  effectively avoiding

the over-charge, and short circuit.

Fun pack will be responsible for replacing the battery against defects or poor workmanship for 1 year from the date of shipping.
Any other problem caused by malfunction of the equipment or unsuitable use of the cell is not under this warranty.

Product Parameters:

Item Specification
*Minimal Capacity(Cmin) 800mAh /2.96Wh
Typical Capacity 824 mAh/3.05Wh
1C discharge Capacity 720mAh/2.66Wh
*Typical Voltage (3.7*1S1P) V
Charge Cutoff Voltage (4.2±0.03*1S1P) V
Discharge Cut-off Voltage (3.0*1S1P)V
Standard Charging 0.2C
Standard Charging Time ≥6h
Charge -10℃ to60℃
Standard Discharge 0.2C
Discharge -30 to -60℃
Standard Discharging Time ≥5h
Storage Temperature
-20 to 45℃ 1month recovery≥85%,thickness swelling ≤3%
-20 to 35℃ 6months recovery≥85%,thickness swell ing ≤2%
-20 to 25℃ 12months recovery≥85%,thickness swell ing ≤1%
*Initial resistance ≤ 230mΩ
Allowable Humidity Range 10%~90%
*Pack Voltage (V)(as of shipment, Alternative) 3.60~3.78V
*RT Cycle life(25°C±3°C) 300 cycles
Pack Weight (Approx) ~16g
Size 30*36*7mm


Main Applications 

Mainly used forSmart wearable devices, smart watches, Solar glasses, Safety helmet, and so on.


Polymerthe Wearable Device Battery 800mAh 3.7V Rechargeable 0

Polymerthe Wearable Device Battery 800mAh 3.7V Rechargeable 1


Q1: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality. Customized is available.
Q2: What about the lead time?
A: Sample needs 7-12 days, mass production time needs negotiation.
Q3: How do you ship the goods and how long does it take to arrive?
A: We usually ship by JEC. It usually takes 13-15 days to arrive. 
:How to proceed an order?
A: Firstly let us know your requirements or application. Secondly we quote according to your requirements or our
suggestions.Thirdly customer confirms the samples and places deposit for formal order. Fourthly we arrange the production.
Q5: Is it OK to print my logo on product?
OK, Need customer provide their packaging or we make neutral packaging.

You Might Be Into These
Get in touch with us

Enter Your Message