🔋【High Capacity, 30% Longer Use Time】SZEMPTY AA and AAA rechargeable batteries use A+ lithium batteries, with a maximum AA 3400mWh (2250mAh) and AAA 900mWh (600mAh), providing a longer use and better experience compared to similar rechargeable batteries. The product can be used for a longer period of time and a better experience compared to similar rechargeable batteries. 🔋【Easy to use】Charging the battery is as simple as charging a cell phone. Simply plug the included 4-1 TYPEC charging cable into the battery and connect it to a USB charger (cell phone adapter, laptop, mobile power supply, car charger, etc.) No special charger is required. You can charge 1/2/3/4 batteries at once anytime, anywhere. This is especially convenient when outdoors or traveling. 🔋【Fast Charging】 It takes only 2-3 hours to fully charge the SZEMPTY's AA and AAA batteries. We can use SZEMPTY batteries to power any device that uses standard AA or AAA batteries, such as remote controls, toys, keyboards, and wireless mice. 🔋【1.5V VOLTAGE】 SZEMPTY AA AAA lithium batteries have a voltage of 1.5V, which is better than 1.2V NiMH batteries, as many devices can only use 1.5V batteries. They are suitable for wireless mice, keyboards, cameras, X-Box controllers, children's toys, electric toothbrushes and medical devices. 🔋【Dual circuit protection, security and reliability, 1-year warranty, buy with confidence】SZEMPTY 3400mWh large capacity AA batteries & 900mWh AAA batteries incorporate a dual protection chip to protect the batteries from hardware and software simultaneously, guaranteeing user safety. if quality problems occur within 1 year, Free replacement batteries will be provided. SZEMPTY has been thinking about how to contribute to environmental protection since established at 2017. These USB rehchargeable batteries are our most successful product. And millions of USB batteries have been sold all over the whole world. We are proud of this because we have reduced the waste of tons of disposable batteries.
Product Specifications:
Charging voltage: 5V
Output voltage: 1.5V
Capacity: AA：3400 mWh ( 2250mAh)
AAA：900mWh (600mAh)
Battery: Lithium
Full charge time: 1.5-3 hours
Charging port: Type C
Continuous discharge current: 500mA
Maximum instantaneous current: 2A
Number of cycles: 1200
Indicator: When green light blinks, the batteries are still charging. As soon as it lights up permanently, the batteries are full.

Packing list:
AA battery(3400mWh) * 2
AAA battery(900mWh) *2
4 in 1 charging cable * 1

Precautions for use:
1.Lithium batteries cannot be used in products that require high current, such as Speedlights. When used, the batteries will get hot, the outer skin will peel off, and the batteries cannot work normally.
2.Do not use the battery while charging.
3. Do not let the positive and negative poles touch during charging.
4.Use any Type-C cable to charge the batteries, not the traditional charger.
Check your user manual carefully, it can help you. Alternatively, click “sold by Szempty” to receive the seller's technical support via online message.