Stainless Steel 3.7V AA/AAA Battery Case – Type-C Charging

Tired of frequent alkaline battery replacements that cost money and harm the environment? Our Stainless Steel Battery Case solves this pain point by turning 1.5V rechargeable AA/AAA lithium batteries into a long-lasting power solution—replacing 9V, C, D, AA, and AAA alkaline dry batteries for home, office, and outdoor devices. Crafted with durable stainless steel, it’s not just a battery holder: it’s a reusable, eco-friendly upgrade that cuts your battery expenses by 70% annually.

This battery case is a versatile power solution for daily use—no more stocking different disposable batteries:

• Home Devices: TV remotes, air conditioner remotes, electric toothbrushes, small fans
• Outdoor Gear: Flashlights, camping lanterns, portable radios, GPS trackers
• Office & Kids’ Items: Calculators, wireless mice, toy cars, remote-controlled robots
• Emergency Tools: Smoke detectors, emergency lights, small medical devices (e.g., thermometers)

1. Insert Batteries: Put 1-2 1.5V Li-ion AA/AAA rechargeable batteries into the stainless steel case (follow the polarity marks).
2. Charge Easily: Connect Type-C or Micro USB cable to charge—LED indicator turns green when fully charged.
3. Use Directly: Plug the case into devices that use 9V/C/D/AA/AAA alkaline batteries (adapter sleeves included for C/D/9V devices).

• 1 x Stainless Steel Battery Case (AA or AAA version, select when ordering)
• 1 x Type-C Charging Cable
• 3 x Adapter Sleeves (for C, D, 9V device compatibility)
• 1 x User Manual (English)

Ready to stop wasting money on disposable batteries? Order now for a 10% discount on your first purchase—we offer 30-day free returns and 1-year warranty for quality issues!