LiPo

3.7v 1000mah 503450 Tracker Lithium Battery for Fitness Trackers, GPS tracker, Remote GSM alarm trackers

Parameter	Specification
Model	VTC-LP503450
Nominal Voltage	3.7V
Capacity	1000mAh
Max Size	5.2X34.5X52.5mm
Operating Temperature	-20℃ to 60℃
Standard Charge Rate	0.5C
Standard Discharge Rate	0.5C
Configuration	1S1P
Weight	24g

CB, CE, UL, UN38.3, MSDS, IEC61000, IEC62133, EU2023/1542

Request a quotationDatasheet unavailable

Product overview

3.7V 1000mAh 503450 Lithium battery for fitness trackers, GPS trackers and remote GSM alarms | Battery Manufacturers in China & Battery Supply Factory

503450 3.7V 1000mAh battery is a lithium polymer cell with a nominal voltage of 3.7V and a capacity of 1000mAh. This pouch-type lithium battery delivers stable, durable power for devices such as health monitoring equipment, GPS tracking devices, and remote GSM alarm systems, ensuring continuous monitoring and wireless communication.

Constructed from premium materials including lithium compounds and flexible aluminium foil, the 503450 battery features lightweight design, compact dimensions, high energy density, low self-discharge rate, and extended cycle life. Its flexible pouch structure facilitates seamless integration into wearable and mobile tracking devices.

To ensure battery safety, VTCBATT’s internal components incorporate customisable protection circuit boards (PCBs) that guard against overcharging, over-discharging, overcurrent, overheating, and short circuits. With a response time of 1-3 milliseconds, this enhances long-term safety under operational conditions. VTCBATT’s entire lithium polymer battery production process is conducted on highly automated production lines within medical-grade cleanroom facilities maintaining strictly controlled humidity levels. Integrated with an advanced MES system, each battery is fully traceable, ensuring consistent quality and performance throughout the manufacturing process.

We offer customisation services including wiring, connectors, discharge current, and thermal performance to precisely match the battery to your product design, supporting diverse device architectures and operating environments. This 3.7V battery powers health monitoring devices, GPS tracking units, and remote GSM alarm systems, ensuring accurate data transmission, extended standby time, and reliable performance under your device’s operating conditions.

No.	Item	Min	Typ	Max	Unit
1	Over-charge Protection Voltage	4.26	4.28	4.3	V
2	Over-charge Release Voltage	4.13	4.18	4.23	V
3	Over-charge Protection Delay Time	700	1000	1300	ms
4	Over-discharge Protection Voltage	2.95	3	3.05	V
5	Over-discharge Release Voltage	Charge Activation	V
6	Over-discharge Protection Delay Time	179	256	333	ms
7	Over-current Protection for Discharge	2.5	3.5	5	A
8	Internal Resistance	/	45	60	mΩ
9	Operation Static Current	1.5	/	8	μA
10	Current consumption – Power down	/	/	0.5	μA
11	Short Circuit Protection	Available
12	Short Circuit Protection Delay Time	/	/	320	μs

01

High energy density

Featuring high-energy density 200wh/kg-300wh/kg,the lipo battery can deliver more power than other battery chemistries and support high drain current to power the devices strongly.

02

PCB with NTC

VTCBATT lipo batteries are provided with NTC(Negative Temperature Coefficient), a kind of temperature sense to decrease the resistance as the temperature increases, allowing accurate temperature monitoring of the batteries. The NTC plays a critical role in improving the battery reliability and safety.

03

High Safety

In the safety lab,VTCBATT will stimulate all the test items of UL and IEC62133,including nail penetration test,free fall experiment,heavy object impact,extrusion experiments.

Technical insight

Product and application details

Remote GSM Alarm Trackers Battery

The slim 5.2mm thickness allows integration into compact remote alarm housings without adding bulk.

Battery for Pet GPS tracker

Its lightweight 24g profile prevents discomfort for pets while providing necessary 3.7V power for location services.

Fitness Trackers Battery

The 1000mAh capacity sustains daily activity tracking within the tight space constraints of wearable fitness devices.

GPS tracker Battery

Operating reliably from -20℃ to 60℃ ensures consistent performance for outdoor GPS tracking in varied climates.

Detailed Battery Test Report Model: VTC-LP503450 | 1000mAh | 3.7V 1. Basic Technical Parameters Item Specifications Item Specifications Rated Capacity 1000mAh (0.2C) Nominal Voltage 3.7V Limited Charge Voltage 4.2V Cut-off Voltage 3.0V Max Charge Current 1000mA (1.0C) Peak Discharge Current 1500mA (1.5C) Dimensions (T×W×H) 5.0 x 34.0 x 50.0 mm Weight ≈ 20g 2. UN38.3 Detailed Test Data (T1-T4) Includes: Altitude Simulation, Thermal Test, Vibration, and Shock. Sample No. Mass (g) Open Circuit Voltage (V) Before (M1) After (M2) Loss (%) Before (V1) After (V2) Retention (%) 01 (1st Cycle) 23.0 23.0 0.00% 3.85 3.84 99.74% 02 (1st Cycle) 24.0

1. Basic Technical Parameters

Item	Specifications	Item	Specifications
Rated Capacity	1000mAh (0.2C)	Nominal Voltage	3.7V
Limited Charge Voltage	4.2V	Cut-off Voltage	3.0V
Max Charge Current	1000mA (1.0C)	Peak Discharge Current	1500mA (1.5C)
Dimensions (T×W×H)	5.0 x 34.0 x 50.0 mm	Weight	≈ 20g

2. UN38.3 Detailed Test Data (T1-T4)

Includes: Altitude Simulation, Thermal Test, Vibration, and Shock.

Sample No.	Mass (g)	Open Circuit Voltage (V)
Before (M1)	After (M2)	Loss (%)	Before (V1)	After (V2)	Retention (%)
01 (1st Cycle)	23.0	23.0	0.00%	3.85	3.84	99.74%
02 (1st Cycle)	24.0	24.0	0.00%	3.85	3.84	99.74%
03 (1st Cycle)	23.0	23.0	0.00%	3.85	3.84	99.74%
04 (1st Cycle)	23.0	23.0	0.00%	3.85	3.84	99.74%
05 (50th Cycle)	23.0	23.0	0.00%	3.85	3.84	99.74%
06 (50th Cycle)	23.0	23.0	0.00%	3.85	3.84	99.74%
07 (50th Cycle)	24.0	24.0	0.00%	3.85	3.84	99.74%
08 (50th Cycle)	24.0	24.0	0.00%	3.85	3.84	99.74%

3. T5 External Short Circuit

Sample ID	Max Temp (°C)	Verdict
01 / 02	56.7 / 56.3	PASS
03 / 04	55.9 / 56.7	PASS
05 / 06	56.5 / 56.9	PASS
07 / 08	56.1 / 56.9	PASS

4. T6 Impact Test Temp

Sample ID	Max Temp (°C)	Sample ID	Max Temp (°C)
01	25.8	06	25.5
02	25.7	07	26.8
03	25.5	08	25.2
04	25.9	09	25.7

5. Safety Protection Parameters (PCB/PCM)

Over-charge Protection: 4.280V ± 0.02V
Over-discharge Protection: 3.000V ± 0.05V
Over-current Detection: 2.5A ~ 5.0A
Short Circuit Protection: Available (Delay: 280μs)
Static Current: Typ. 5μA (Max 8μA)
Internal Resistance: Typ. 45mΩ (Max 60mΩ)

📸 Visual Generation Prompts

Prompt A: Product Closeup

Prompt B: Quality Control

Get an Instant Quote

Factory capability

VTCBATT Production and Service

VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT provides comprehensive support from pre-sales to after-sales, focusing on customer feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your custom battery experts for reliable and responsive project support.

▶

Modern Manufacturing

From raw materials mixing to cell testing, VTCBATT adopts automated manufacturing processes to improve production efficiency and battery quality, safety, and reliability. The manufacturing process is monitored and tested before material moves to the next procedure.

▶

Trusted by Global Customers

Over the past 20 years, VTCBATT has built partnerships with customers in more than 50 countries. Reliable quality, responsive service, and tailored battery solutions support long-term cooperation with equipment manufacturers, distributors, and brands.