3.6V 2900mAh High Temperature Battery for Outdoor Device for Access Control

CMB takes pride in designing and manufacturing battery packs specifically tailored for high-temperature environments, especially in IoT applications. Our greatest advantage lies in our ability to provide fully custom lithium ion battery packs based on our customers’ needs, including extreme temperature ranges, waterproofing, stable power supply, Bluetooth, and various battery shapes and sizes.

Details:

High-Temperature Resilience: Engineered with cutting-edge technology, our battery operates flawlessly in extreme outdoor conditions, ensuring uninterrupted access control functionality.
Customized PCB Integration: Seamlessly integrated with a tailored PCB solution, optimizing power delivery and enhancing device compatibility for superior performance.
Long-lasting Reliability: Built to endure, our battery pack provides extended usage cycles, reducing downtime and maintenance costs for your access control systems.

3.6V 2900mAh Access Control Battery Pack Parameter

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No.	Item	Specification	Note
1	Nominal Voltage	3.6V	3.6V/cell
2	Nominal Capacity	2.9Ah	@0.2C
3	Minimum Capacity	2.8Ah	/
4	Initial Internal Impedance	≤100mΩ	AC 1KHZ
5	Standard Charge Voltage	4.2V	4.2V/cell
6	Standard Charge Current	0.58A	@0.2C
7	Max. Charge Current	1.4A	/
8	Standard Discharge Current	0.58A	@0.2C
9	Max. Discharge Current	4.2A	/
10	Burst Discharge Current	4~8A	<10ms
11	Discharge Cut-off Voltage	2.8V	2.8v/cell
12	Cycle life(0.2C Discharge)	≥500cycles	Retention: ≥70%
13	Charge Temperature	-20°C~60°C	-20°C~-10℃: 0.05C to 4.1V
			-10°C~0℃: 0.1C to 4.1V
			0°C~10℃: 0.2C to 4.2V
			10°C~60℃: 0.5C to 4.2V
14	Discharge Temperature	-40°C~85°C	0°C~85℃: 2.75V
			-20°C~0℃: 2.5V
			-4°C~20℃: 2.0V
15	Storage Temperature	-20°C~45°C	≤3 months
15	Storage Temperature	-10°C~25°C	≤1 year
16	Weight	About 65g	/

Dependable Discharge & Charge Performance At Different Temperatures

CMB’s wide temperature range Li-ion cells have solid charge and discharge performance when operated in an expansive temperature range. Direct current resistance (DCR) is a key factor that influences Li-ion battery discharge efficiency and output power ability. As demonstrated in the graph below, DCR Test at Different Temp.

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3.6V 2900mAh Access Control Batteries FAQs

Does the battery support wireless communication protocols such as Bluetooth for connectivity?

Depending on your specific requirements, we can integrate batteries with communication capabilities like Bluetooth. This enables seamless connectivity for IoT devices and access control systems.

What safety features does the 3.6V 2900mAh high-temperature battery offer?

Our battery packs are equipped with built-in protection mechanisms such as overcharge protection, over-discharge protection, short circuit protection, and temperature monitoring to ensure safe and reliable operation.

Can the battery withstand exposure to direct sunlight or extreme weather conditions?

While our high-temperature batteries are designed to operate in outdoor environments, prolonged exposure to extreme conditions like direct sunlight or extreme cold may affect performance. We recommend consulting with our team for specific environmental testing and recommendations.