Anker Innovations Co Ltd commonly known as Anker is a Chinese electronics manufacturer based in Hunan, China. 
The company's products like phone chargers, power banks, earbuds, headphones, speakers, data hubs, charging cables, torches, screen protectors.
Anker company made power banks, charging cables, wall adapters, power strips, USB hubs, and torches under the Bolder sub-company. 

Soundcore makes Bluetooth earbuds, headphones, and speakers. Eufy company produces smart home appliances and security devices. 
Nebula makes portable video projectors. Roav makes car accessories. Zolo company was a precursor to the Sound core brand. KARAPAX company made phone cases.
Anker is a company known for high quality, long lasting 3A alkaline batteries. The lifespan of these batteries is up to 10 years and can be adapted to work with any device that requires 3A batteries.

With its adaptive output feature, the Anker 3A Alkaline Battery delivers just the right amount of power, ensuring compatibility with all devices and long life.

• Profoundly articulated circuitry effectively hinders abrupt concussions
• Premium material construction exhibits abrasion resistant durability
• Powered by a magnificent potential that aids in keeping your device fueled up for a prolonged time
• Sprucely crafted to offer a higher level of functionality and efficiency
• Precisely engineered to render a superior level of service

Highlights

• The Anker Advantage
• Join the 50m powered by our leading technology.
• Long Lasting Power
  Power small devices like controllers for over a year, or keep toys and game controllers running longer than other brands on the market.
• Power Lock
  A tight seal keeps air and power fluid inside until you're ready to release it.
• 10 Year Shelf Life
  Buying batteries in bulk never made more sense. Anker alkaline batteries work perfect for up to 10 years after first purchase.
• Adaptive Output
  Anker's alkaline batteries provide just the power your devices need, ensuring universal compatibility and long-lasting use.

Why to buy Anker AAA Alkaline Batteries (4-pack)
Alkaline batteries work perfect for up to 10 years after first purchase, with adaptive output that supplies only the power your devices need, ensuring universal compatibility and long life.
Long-Lasting & Leak-Proof
Long Lasting & Leak Proof with Power Lock Technology, High Capacity twin A Batteries with Adaptive Power and Superior Safety (Non-Rechargeable).