Rechargeable AAAA batteries: It is hard to find rechargeable AAAA batteries in a retail store, these are affordable batteries and will be lasting long enough. You just need to recharge these batteries rather than throw them away, probably won't need to buy again for a long time
Price and Charger: 1)price-these batteries are not expensive and it was more economical than getting one unrechargeable battery(these AAAA batteries will provide 10x more lasting time than their spend),these batteries are affordable, effective, easy, and convenient; 2)Charger-you can find many universal battery chargers on amazon which are affordable and inexpensive
Delivery and Package: 1)Delivery-ANVOW AAAA Batteries are fulfilled by Amazon , you will get the item within 2-5 days, if you are amazon prime, You will receive the product faster; 2)Package- the item will come to you in a really cute & neat box(including 2-pack aaaa batteries & instructions)
Service life: It will not show any signs of reaching end-of-life any faster than the more expensive bigger name brands.The charging cycles up to 500 cycles each battery in his lifespan. So 1 ANVOW Rechargeable AAAA battery = 500 single-use AAAA batteries(Let's do a calculation-500 cycles each battery, you recharge them once a week,so 3500 days ≈ 9.5 years)
Compatible With:Surface pro 3/4 pen, Digital pen MS(Microsoft)surface pen, Dell digital stylus, Hearing aid remote, Cameras and led flashlights, Bamboo ink pen, Active stylus pens, Lenovo pen, Asus stylus, Boosteroo, Sonic tooth scaler, Home sensors, Laser pointer, Cordless phones, Lenovo pen for X1 tablet, Google pixebook pen, Roke remote, Touchscreen pen, ARK vibrating therapy spoon, HP active pen, Acer stylus, Wacom intuos creative stylus, Asus Chi stylus, Dell Cenue pro 8 stylus, iPad stylus