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 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.
1. Core Advantages: Why Choose This Battery Case?
| Advantage |
Key Benefit for You |
| Multi-Battery Replacement |
Replaces 9V/C/D/AA/AAA alkaline dry batteries—one case fits multiple device types (e.g., remote controls, flashlights, toys). |
| 1.5V Stable Output |
1.5V constant voltage (same as alkaline batteries) ensures devices work normally, no power fluctuation issues. |
| Dual Charging Ports |
Type-C + Micro USB ports for fast charging (fully charges 2 AA/AAA batteries in 1.5 hours)—compatible with most chargers. |
| Stainless Steel Protection |
Rust-resistant stainless steel shell prevents impact damage and moisture ingress—safe for bathroom/garage use. |
| Eco-Friendly & Cost-Saving |
Reusable design reduces alkaline battery waste; saves ~$50/year vs. buying disposable batteries. |
2. Technical Specifications
| Specification |
Details |
| Compatible Battery Type |
1.5V Li-ion rechargeable AA/AAA batteries (not included; fits standard AA/AAA size) |
| Charging Interface |
Type-C (input: 5V/2A) + Micro USB (input: 5V/1A) |
| Charging Time |
1.5 hours (for 2 x 1.5V 1000mAh AA batteries) |
| Material |
Stainless steel (shell) + flame-retardant ABS (inner) |
| Safety Features |
Overcharge protection, short-circuit protection, over-temperature protection |
| Dimensions |
8.5cm (L) x 5.2cm (W) x 2.1cm (H) (for AA version); 6.8cm (L) x 3.5cm (W) x 1.8cm (H) (for AAA version) |
3. Perfect for These Devices & Scenarios
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)
4. How It Works (3 Simple Steps)
- Insert Batteries: Put 1-2 1.5V Li-ion AA/AAA rechargeable batteries into the stainless steel case (follow the polarity marks).
- Charge Easily: Connect Type-C or Micro USB cable to charge—LED indicator turns green when fully charged.
- Use Directly: Plug the case into devices that use 9V/C/D/AA/AAA alkaline batteries (adapter sleeves included for C/D/9V devices).
5. What You Get in the Package
- 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!
