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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Constant 1.5 V Power AA Lithium Rechargeable Batteries (x4) with USB Charger 1.8 h Fast Rechargeable 2775 mWh 4 AA Batteries with Charger

Constant 1.5 V Power AA Lithium Rechargeable Batteries (x4) with USB Charger 1.8 h Fast Rechargeable 2775 mWh 4 AA Batteries with Charger

Product ID: 565501436

Details

Number of Batteries
4 AA batteries
Brand
Tenavolts
Battery Cell Composition
Lithium Ion
Recommended Uses For Product
Kamera Radio
Net Quantity
1.0 count
Voltage
1.5 Volts

⚡1.5V constant voltage output

🔋2775 mWh high capacity

⏱️1.8h ultra-fast recharge

Description

🔋 Power up your life with batteries that never quit!

ECO SMART ENERGY - Rechargeable lithium tech reduces waste and carbon footprint
ENDURANCE CHAMPION - Up to 1000 recharge cycles means fewer replacements, more savings
VERSATILE POWERHOUSE - Perfect for game controllers, flashlights, toys, and medical devices
UNSTOPPABLE POWER FLOW - Consistent 1.5V output from full to empty for peak device performance
LIGHTNING FAST RECHARGE - Fully charged in just 1.8 hours—beat the clock, not your devices

Tenavolts AA lithium rechargeable batteries deliver a stable 1.5V output with a high 2775 mWh capacity, recharging fully in just 1.8 hours. Designed for longevity with up to 1000 recharge cycles, these batteries combine fast charging, consistent power, and eco-friendly technology, making them ideal for high-drain devices like game controllers, flashlights, and medical equipment.

Specifications

ASIN	B07HQ7QV7W
Amperage	1.5 Amps
Antenna Location	Kamera, Radio, Uhr
Battery Cell Composition	Lithium Ion
Battery Cell Type	Lithium Ion
Battery Weight	18 Grams
Brand	Tenavolts
Brand Name	Tenavolts
Customer Reviews	4.3 out of 5 stars 215 Reviews
Item Dimensions	13.2 x 9.9 x 3.3 Centimeters
Item Weight Unit of Measure	176 Grams
Manufacturer	NANFU
Model Number	VD-U4XU-O06R
Net Quantity	1.0 Count
Number of Batteries	4 AA batteries required. (included)
Recommended Uses For Product	Kamera, Radio, Uhr
UPC	191763000717
Unit Count	1.0 Count
Voltage	1.5 Volts

Reviews

B**R

Tenavolts Konstante1.5V Leistung AA Lithium Wiederaufladbar Akkus (x4)

Entspricht den Erwartungen.

11.11.2025

M**A

Un buon prodotto

Confezione, qualita' e prime impressioni molto molto positive. Dai test su internet sono di medio alto livello, la giusta soluzione per avere batterie ricaricabili ma con voltaggio da 1.5V. Inoltre unica marca seria al momento ad avere la versione AAA. Quando cariche il LED blu si spegne.

8.01.2022

A**.

Great product

This product is so somple to use and it works perfectly.

21.12.2024

G**6

Pile rechargeable qui fait l'affaire pour le moment par contre à voir sur le long terme

J'utilise les piles rechargeables pour les caméras de surveillance blink de chez Amazon. Cela fonctionne bien même si au niveau longévité je dois les changer environ toutes les trois semaines ce qui est un peu plus qu'avec les piles non rechargeables par contre les économies se feront sentir rapidement une fois le prix d'achat amorti. A voir cependant sur le long terme.

19.03.2023

A**R

Working well

Been using these for about 4 years now for blink camera still holding a good charge

22.10.2024

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