Rechargeable 1.5V AA Batteries

13 products

📖 Click to view full specifications, comparison & safety guide

Rechargeable 1.5V AA Batteries – Constant Voltage Lithium-Ion Technology, Stable 1.5V Output, USB Convenient Charging

Welcome to our Rechargeable 1.5V AA Batteries collection. Products in this category feature an integrated design combining a lithium-ion cell with a precision step-down voltage regulator, delivering a constant 1.5V output throughout the entire discharge cycle—all within the standard AA form factor. Unlike alkaline batteries whose voltage steadily declines, or NiMH cells with a nominal 1.2V, 1.5V regulated Li-ion AA batteries maintain a rock-steady 1.5V output for over 95% of their discharge cycle, ensuring your device receives full power from start to finish. Most models also integrate a USB-C or Micro-USB charging port, eliminating the need for a dedicated charger—simply plug into a phone charger or power bank. This collection is the ideal power upgrade for premium high-lumen flashlights, wireless microphones, electric toys, digital cameras, smart door locks, medical devices, and any voltage-sensitive professional equipment.

Why Choose 1.5V Regulated Li-ion Rechargeable AA Batteries?

Constant 1.5V Output – Consistent Performance Throughout: A built-in smart step-down circuit precisely converts the internal Li-ion cell's 3.7V to a regulated 1.5V output that holds steady until the battery is nearly depleted. No more dimming flashlights, sluggish motors, or unstable signals as the battery drains.
USB Convenient Charging – No Dedicated Charger Needed: Most models feature an integrated USB-C or Micro-USB charging port. Recharge anywhere using a phone charger, power bank, or laptop USB port. Travel with just one cable—leave the bulky dedicated charger at home.
High Energy Density, Lightweight Design: Weighing only 18g–22g per cell—20%–30% lighter than NiMH AA (~26g–30g). The weight savings are especially noticeable in handheld devices or equipment requiring multiple batteries.
Ultra-Low Self-Discharge – Always Ready: Monthly self-discharge is just 2–3%. Cells retain ample charge after months—even a year—of storage, making them perfect for emergency backup and intermittently used devices.
1,000+ Cycles – Economical & Eco-Friendly: Supports 1,000+ charge/discharge cycles, replacing hundreds of disposable alkaline batteries over its lifetime. Long-term cost is minimal, and battery waste is drastically reduced.
Wide Operating Temperature Range: Reliable operation from -20°C to 60°C during discharge—dependable even in winter outdoor conditions.

1.5V Regulated Li-ion AA vs. 1.2V NiMH AA vs. 1.5V Alkaline AA

Parameter	1.5V Regulated Li-ion AA (This Collection)	1.2V NiMH AA	1.5V Alkaline AA
Nominal Voltage	1.5V (regulated output)	1.2V	1.5V
Voltage Characteristic	Constant 1.5V throughout	Gradually declines	Steadily declines
Typical Capacity	1000mAh – 3000mAh (equiv.)	600mAh – 2800mAh	1800mAh – 2800mAh
Rechargeable	✅ Yes (1,000+ cycles)	✅ Yes (500–2,100 cycles)	❌ No
Charging Method	USB-C / Micro-USB direct	Requires NiMH charger	Not rechargeable
Weight	~18g–22g (lightest)	~26g–30g	~23g
Self-Discharge	Very low (2–3% per month)	LSD: ~15–25% per year	Very low (5–10 year shelf life)
High-Current Capability	Excellent (limited by regulator)	Excellent	Moderate
Long-Term Cost	Very low	Very low	Higher
Best For	Stable 1.5V, lightweight, USB charging convenience	High-drain frequent use, existing NiMH charger	Low-drain, intermittent use

Typical Specifications Range (1.5V Regulated Li-ion Rechargeable AA)

Parameter	Typical Values
Nominal Output Voltage	1.5V (regulated)
Internal Cell Voltage	3.6V – 3.7V (Li-ion)
Equivalent Capacity	1000mAh – 3000mAh (at 1.5V output)
Energy	~1500mWh – 4500mWh
Continuous Discharge Current	1A – 2.5A (model dependent)
Cycle Life	1,000+ cycles (≥70% capacity retention)
Self-Discharge Rate	2–3% per month
Charging Port	USB-C / Micro-USB (model dependent)
Charging Time	~1.5 – 3 hours (depending on capacity and charge current)
Operating Temperature	-20°C ~ 60°C (discharge) / 0°C ~ 45°C (charge)
Dimensions (Dia. × Length)	~14mm × 50mm (identical to standard AA)
Weight	~18g – 22g

Typical Applications

Application	Why 1.5V Regulated Li-ion AA
High-lumen flashlights / tactical lights	Constant 1.5V ensures turbo mode never dims—full brightness from start to finish
Wireless microphones / instrument effects	Stable voltage guarantees clean signal transmission; no dropouts or distortion
Electric toys / RC models	Sustained high-current output keeps motors running strong without power fade
Digital cameras / flash units	Fast recycle times and consistent burst performance unaffected by battery level
Smart door locks / security sensors	Ultra-low self-discharge ensures long-term standby reliability; USB charging is convenient
Outdoor GPS / emergency equipment	Wide temperature tolerance and low self-discharge—reliable in extreme conditions
Medical devices / patient monitors	Stable voltage preserves measurement accuracy; rechargeable ensures continuous availability
Premium audio devices / voice recorders	Eliminates voltage fluctuation-induced noise for pristine audio quality

How to Choose the Right 1.5V Regulated Li-ion AA Battery?

Your Requirement	What to Look For
I need maximum runtime	→ Choose models with 2500mAh+ equivalent capacity / 3000mWh+ energy
I need high current output (flashes, toys)	→ Choose models rated for 2A+ continuous discharge
I want USB-C fast charging	→ Choose models with USB-C input and 1A+ charge current
I need batteries for emergency backup / long-term storage	→ All regulated Li-ion AA models are suitable (ultra-low self-discharge)
I need bulk quantities or custom packs	→ Contact our sales team for a quote

⚠️ 1.5V Regulated Li-ion AA Battery Safety Guidelines

Do Not Mix with Alkaline or NiMH Batteries: While the output voltage is 1.5V, the internal circuitry differs fundamentally. Do not mix these batteries with alkaline or NiMH cells in the same device, as this may damage the device or the batteries.
Charge Only via Integrated USB Port: Use the supplied USB cable or a compliant USB cable to charge. Never attempt to charge these batteries in a NiMH or standard Li-ion bay charger.
Avoid Over-Discharge: Recharge promptly when the device indicates low battery or performance noticeably drops. Built-in protection prevents deep discharge, but prolonged storage in a depleted state may shorten lifespan.
Avoid Short Circuits and High Temperatures: Do not short the positive and negative terminals. Keep away from fire, heat sources, and humid environments.
Long-Term Storage: Store at 50%–80% charge in a cool, dry location. Recharge every 6–12 months to maintain battery health.
Recycle Responsibly: Dispose of used batteries at designated recycling facilities. Never discard in household trash or incinerate.

Why Choose Our 1.5V Regulated Li-ion AA Batteries?

Fully Tested Before Shipment: Every batch undergoes rigorous testing for output voltage, capacity, internal resistance, and charging functionality to ensure consistent, reliable quality.
Complete Portfolio: Covers various capacities, charging interfaces (USB-C / Micro-USB), and discharge current ratings—one-stop shopping for all 1.5V rechargeable AA needs.
Flexible Purchasing: Single-cell retail, 2-pack, 4-pack, 8-pack options, and bulk wholesale pricing available.
Certified Quality: Products are CE, RoHS, and FCC certified for assured quality and safety.
Expert Technical Support: Guidance on battery selection, usage tips, and after-sales support.

👇👇👇 Browse the product list below and filter by capacity, charging interface, or discharge current to find the perfect 1.5V Regulated Rechargeable AA Battery for your application. For volume quotes or custom pack solutions, please contact our customer service team.

Showing 1 - 13 of 13 products