Are these truly 1.5v or are they 1.2v like all of the other rechargeable AA batteries?

Yes, they maintain a steady 1.5V. Others have done tear-downs on these, and it appears inside is a 3.7V Li-ion cell that has been brought down to 1.5V using miniaturized electronic circuitry. One caveat - these batteries will maintain a steady 1.5V until the very end of the discharge cycle, and then suddenly drop the voltage. Thus, keep a few spares handy.

Your first generation tenavolts state in title that they are "lithium/li-ion", so is this interchangeabl or is this lithium battery different? how so?

Exactly! The cathode/anode materials of TENAVOLTS are LiCoO2/Graphite, which are widely used in rechargeable battery. They would be interchangeable and reversible when charging and discharging.

Lithium ion or lithium polymer

These are lithium ion. Lithium polymer are the flat packs like they use in phones.

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TENAVOLTS 1.5V AA Lithium Rechargeable Battery, 1.8h Fast Charge, USB Charger, Constant Output at 1.5V, 2775 mWh, 4 Count with Charger

TENAVOLTS 1.5V AA Lithium Rechargeable Battery, 1.8h Fast Charge, USB Charger, Constant Output at 1.5V, 2775 mWh, 4 Count with Charger

Product ID: 98644140

Details

Battery Capacity
750 Milliamp
Battery Cell Composition
Lithium Ion
Brand
TENAVOLTS
Number of Batteries
4 AA batteries
Recommended Uses For Product
Toys

⚡2775 mWh High Capacity

🔋1000 Recharge Cycles

⏱️1.8h Fast Charge

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VT14292

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Description

🔌 Power up fast, last longer, and stay ahead of the pack!

SPEEDY RECHARGE - Get back to full power in just 1.8 hours—almost twice as fast as traditional Ni-MH batteries.
ECO SMART CHOICE - Recharge up to 1000 times, drastically reducing waste and saving you money over disposable batteries.
POWER THAT LASTS - High-capacity 2775 mWh lithium-ion batteries keep your devices running longer without compromise.
CONSISTENT PERFORMANCE - Constant 1.5V output from full to empty ensures your high-demand devices never miss a beat.
UNIVERSAL CHARGER COMPATIBILITY - Unique Tenavolts charger revives even other brands’ lithium AAs and AAAs, making it a must-have power hub.

The TENAVOLTS AA 4 Pack with Charger features high-capacity 2775 mWh lithium-ion rechargeable batteries delivering a stable 1.5V output. With a rapid 1.8-hour full charge time and up to 1000 recharge cycles, these batteries are engineered for high-drain devices like insulin pumps, toys, and portable audio players. The included unique USB charger not only powers TENAVOLTS batteries but also effectively recharges other lithium AA/AAA brands, ensuring maximum versatility and sustainability.

Specifications

ASIN	B07HQ7QV7W
Amperage	1.5 Amps
Antenna Location	Toys
Battery Capacity	750 Milliamp Hours
Battery Cell Type	Lithium Ion
Battery Weight	18 Grams
Best Sellers Rank	#160,554 in Health & Household ( See Top 100 in Health & Household ) #413 in AA Batteries
Brand	TENAVOLTS
Built-In Media	inclued usb charger
Customer Reviews	4.5 4.5 out of 5 stars (3,671)
Item Dimensions	5.2 x 3.9 x 1.3 inches
Item Weight	176 Grams
Manufacturer	NANFU
Model Name	AA
Model Number	VD-U4XU-O06R
Number of Batteries	4 AA batteries required. (included)
Reusability	Rechargeable
UPC	191763000717
Voltage	1.5 Volts

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VT14292

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In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

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