NCR18650B 3400Mah 3.7V Flat 18650 Rechargeable battery

   Charger USB single-slot /Dual Slot fast Charging for 18650 - 18490 - 14500 - 16340 - 10440    -Model: NCR18650B Flat Top / Top Button    - Uses: For Electric Scooter, Laptop Battery Replacement, Tactical Flashlight, Backup Power Supply For Mobile Devices, as well as various Rechargeable Battery Packs    -Life: 1000 times    -Voltage: Standard 3.6-3.7V, full 4.2v, 2.75V after discharge    Internal resistance: within 20 milliohms    -Capacity:    3200Mah To 3400Mah    -Size: diameter 18mm, length 65mm    -Special reminder: Lithium batteries are used in flashlights. New batteries should be charged before use. Do not -overcharge or Overdischarge lithium batteries. Stop charging after the battery is fully charged.    Please charge it immediately when the battery is low, otherwise the lithium battery is easily damaged or even caused. scrapped.    (The full voltage should not be higher than 4.35V, and the discharge voltage should not be lower than 2.75V)    1pcs Lithium batteries have a limit on the number of times they can be used, generally around 800 times.    Each plug-in is equivalent to charging the battery once, and each charging will shorten the life span.