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【Fast Charge – 1/1.5 Hours】 – The Blackube Rechargeable Lithium Battery is fully charged in just 1.5 hours for AA & 1 hour for AAA, saving you time. Using a standard NiMH battery takes 6-12 hours.

【Easy to Charge – USB Charging】 – To charge your Blackube lithium battery you only need a USB cable. The 4-in-1 data cable is included in delivery. You no longer have to buy an additional charger. Loading makes it easier.

【Constant Voltage Output -1.5V】 – The voltage of the Blackube lithium batteries does not decrease with the battery capacity and is stable at 1.5V, ensuring that your device always has a strong voltage support. The voltage of the NiMH battery is 1.2V, and the voltage drops as the battery capacity decreases.

【Safer – Safety Circuit & Coding Cell】 – All Blackube batteries are equipped with safety circuits. This makes it safe to consume electricity and there is no liquid in the structure, eliminating the problem of leakage. Coding Cell shows that our batteries are manufactured by quality factories, reject recycling and cheap unsafe cells. Quality assurance, trustworthy.

【BRAND QUALITY & 3 YEAR GUARANTEE】 – Blackube is a registered trademark protected by US Trademark Law and all of our products carry our logo. Being confident about the top quality of our battery, we accompany this battery with a 3 year warranty. Blaackube offers you a 100% money back guarantee in case our aa battery does not live up to your expectations making it an absolutely risk-free purchase.



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