Taken 10440 Lithium ion Batteries, 4 Pack Rechargeable 3.7v Battery for Flashlight

NOT AAA BATTERY - Button Top 10440 rechargeable battery size 10*44mm, not ordinary AAA batteries (it is shorter than AAA Battery), Please confirm whether it is the size you need before buying. COMMONLY HOUSEHOLD BATTERIES - Taken multi-functional 3.7 volt battery is suitable for flashlight, streamlight, Digital camera, toys, solar lights, emergency lights, power bank, torch, GPS etc. LONGER BATTERY LIFE - No memory effect, longer lasting than normal 10440 battery, can be recharged up to 2000 + times, more environmentally friendly than single-use battery and saving money. LONG SHELF LIFE - 10440 lithium ion batteries storage life of up to 10 years when stored at room temperature, refusal of leakage. PERFECT AFTER-SALE - We offer 30 days Refund and 18 months Warranty , 24/7 Email Support. feel free to contact us if you have any questions.