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300mAh Rechargeable Lithium Ion Polymer Battery , 3.8V Battery For Wearable Device ODM

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 : 10000PCS /Day
Place of Origin: CHINA Brand Name: FUNPACK
Certification: CE KC PSE ROHS Model Number: APP00207

Detail Information

Battery Type: Li-ion Polymer Battery Nominal Voltage: 3.8V
Shipment Voltage: 3.6V-3.7V Capcity: 300mAh
Lmpedance: 350mΩ NTC1/NTC2: NTC1 10K , Bv:3435K – NTC2 68K , Bv:4250K
Cell Weight: 10g Size: 26.5*24*4.85mm L*W*T
High Light:

Rechargeable Lithium Ion Polymer Battery 300mAh


Rechargeable Lithium Ion Polymer Battery 3.8V


ODM Battery For Wearable Device

Product Description

Fall Proof 300mAh 3.8V Rechargeable Lithium ion Polymer Battery For Intelligent Wearable Equipment



Worldwide approvals and certification of safety standards

Lithium Polymer batteries make it possible for small objects to achieve intelligence. Bendable Lithium Polymer cells

Lithium Polymer battery can provide a certain amount of electric energy to drive their functions

Intelligent protection plate, protect the battery but charge, but release, not short circuit

thermal protectors and circuit breakers,
High Capacity with Small Size
effectively avoiding the over-charge, and short circuit.
Product Parameters:
Item Specification
Battery Pack Type 1S1P Embedded
Cell Type 1S1P
Capacity 300mAh(min)
Charging Current
Charge current 4.2V @ 0℃~15℃, cut off 6mA 250mA
Charge current 4.35V @ 15℃~45℃, cut off 6mA 300mA
Charge current 4.3V @ 45℃~60℃, cut off 6mA 250mA
Standard Current 60mA
Maximum Discharging Current
Discharge Current – @ -20℃~25℃ 60mA
Discharge Current – @ 25℃~60℃ 450mA
Nominal Voltage 3.8V
Cut-off Voltage 3.0V
Suggestive Discharge Cut off Voltage 3.2~3.4V
Cycle life After 500 cycles (Under 23+2 ℃)
Environmental using conditions
When the battery is charged 0~+60℃
When the battery is discharged -20~ +60℃
When stored within 1 Month (RSOC 50% *1) *2 -20~ +45℃
When stored within 3 Months (RSOC 50% *1) *2 -20~ +45℃
When stored within 12Months (RSOC 50% *1) *2 -20~ +25℃
Impedance ≦350mΩ
Physical weight 10g
Shipment Voltage 3.60V ~ 3.70V
NTC1/NTC2 NTC1 10K , Bv:3435K – NTC2 68K , Bv:4250K



Item Specification Parameter Unit
Operating Temperature   25
Over Charge Voltage Protect Detect Voltage 4.425±0.02 V
Delay Time 0.8 ~ 1.2 Sec
Release Connect R-Load V
Over Discharge Voltage Protect Detect Voltage 2.8±0.04 V
Delay Time 100 ~ 150 mSec
Release Connect Charger ----
Over Charge Current Protect Detect Current 1.1 (0.6 ~ 1.5) A
Delay Time 6.4 ~9.6 mSec
Release Disconnect Charger ---
Over Discharge Current Protect Detect Current 0.8 (0.5 ~ 1.1) A
Delay Time 6.4 ~9.6 mSec
Release Remove R-Load or Connect Charger ---
Short Circuit Detect Current External Short A
Delay Time 280 ~ 520 μSec
Release Remove R-Load or Connect Charger ---
Power Consumption      
Operating Mode   5.5 (max) μA
Power Down Mode   0.1(max) μA


Main Applications :

Mainly used for Wearable Devices, Google GlassiWatch, Solar glasses

300mAh Rechargeable Lithium Ion Polymer Battery , 3.8V Battery For Wearable Device ODM 0

300mAh Rechargeable Lithium Ion Polymer Battery , 3.8V Battery For Wearable Device ODM 1


Q1: Are you factory?
A: Yes, we are professional manufacturer for polymer batteries since 2017
Q2: When you ship my order?
 A: Normally 35-45days after payment confirmed, but it can be negotiated based on order qty and production
Q3: Can I get the pre-production sample?
A: Yes, we will send you sample for approval first, after you confirm, then we will start mass production order.
Q4: Can battery size customized available?
A: Yes, Please send up the capacity and max battery size, so that we can search our model for you.

Q5: How about the quality grantee period?
A: One Year.
Q6: How can you guarantee the production quality?
A: We have more than 5 years experience of polymer battery production. Our production quality follow strict
control program. We have 3 times inspection for finished product before package. All of our batteries are 100% tested and installed before shipment.

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