A640 Battery

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

17 来源

The term 'A640 battery' does not refer to a single standardized cell but rather functions as a model identifier across four distinct product categories. The market landscape is currently dominated by specialized legacy replacements and emerging budget-friendly electronics.

1. Key Product Segments

The "A640" designation is most commonly found in the following categories:

* Specialty Button Cells (Photography & Vintage Tech): Primarily associated with the PX32 or TR164A 6V alkaline batteries used in vintage cameras (e.g., Yashica Electro 35) Google. Prices for high-quality alkaline versions range from $15.00 to $17.00 per unit Google.

* Industrial SLA Batteries (Security & Power): Refers to 6V 4.5Ah Sealed Lead Acid (SLA) batteries used in emergency lighting, UPS systems, and medical devices (e.g., Casil CA640, Hubbell G640) Google Google. These are high-volume, low-cost items typically priced between $4.00 and $16.00 Google Google.

* Modern Consumer Electronics (TWS Earbuds): A newer trend includes products like the Bashaam A640 M10 wireless earbuds, which feature a high-capacity 1200mAh battery charging case and AI noise cancellation Flipkart Sbsconsultinginc.

* Legacy IT & Mobile Hardware: Includes 11.1V 5200mAh lithium-ion packs for MSI A640 series laptops Alibaba and 3.7V 850mAh batteries for Samsung SPH-A640 flip phones Techtekshop.

2. Market Trends & Insights

* AI Integration in Low-Cost Hardware: Modern devices bearing the A640 name (like the Acer A640 webcam) are increasingly integrating AI noise cancellation and Phase Detection Autofocus (PDAF) while maintaining sub-$40 price points to target the value-conscious remote work market Sbsconsultinginc.

* Longevity as a Competitive Edge: In the True Wireless Stereo (TWS) market, "A640" branded products are leveraging significantly larger case batteries (1200mAh vs. the standard 300-500mAh) to address consumer demand for reduced charging frequency Flipkart.

* Legacy Sustainability: There is a steady, recurring demand for 6V SLA "A640" variants in the infrastructure maintenance sector (emergency exit lighting and fire alarms), driven by building safety regulations and long-term equipment lifecycles Google Google.

3. Sourcing Summary

Battery Type	Common Applications	Key Specs	Typical Price
PX32/TR164A	Vintage Cameras	6V Alkaline	$15 - $17
SLA (CA640)	Emergency Lighting	6V 4.5Ah	$4 - $16
Laptop Pack	MSI CR640/A640	11.1V 5200mAh	$40 - $55
Mobile Li-ion	Samsung SPH-A640	3.7V 850mAh	$10 - $15

Sources & References

17 sources cited · Verified industry data & reports

Batteries and chargers for Exploring the Samsung SPH-A640 ...

techtekshop.pl

Discover the Samsung SPH-A640's features, performance, and the best replacement battery options. Enhance your phone's longevity with compatible batteries.

11.1v 5200mah Laptop Battery A42-a15 For Msi A640 ...

Alibaba.com

11.1V 5200mAh laptop battery for MSI A640. Compatible Model (1) A32-A15 nominal capacity (1) 5200mAh. Compatible Part Number: A32-A15, Compatible Models: MSI A ...

Can I use LR55 batteries in musical instruments? - Blog

Huizhou WinPow Industrial Co., Ltd.

If LR55 batteries are not suitable for a particular musical instrument, there are several alternatives available. One option is the LR44 AG13 1.5 v Batteries.

New Battery For MSI A32-A15 A41-A15 A42- ...

eBay

New Battery For MSI A32-A15 A41-A15 A42-A15 A42-H36 A6400 CR640 CR640DX CR640MX ; Voltage · 10.8 V ; Capacity · 5200mAh (Real Capacity is about 4400mAh) ; Color ...

Canon PowerShot A640 Digital Camera - Full Review

Manuals+

Power comes from four AA batteries, and Canon includes single-use alk disposables in the product bundle. Also included with the Canon A640 is a 32MB ...

Bashaam A640 M10(Wireless Earbuds)1200mAh Battery True ...

Flipkart

Bashaam A640 M10(Wireless Earbuds)1200mAh Battery True Wireless E... more · With Noise Cancellation · With Deep Bass · Up to 10 m Bluetooth Range · Bluetooth ...