Weltool UB21-50 21700 5000mAh Type-C Rechargeable Battery
Weltool UB21-50 21700 5000mAh Type-C Rechargeable Battery
Regular price
$21.00 USD
Regular price
Sale price
$21.00 USD
Unit price
/
per
Out of stock
The traditional Li-ion battery with protective plate is the nickel plate connection method for the negative protection circuit, while the Weltool UB21-50 uses the built-in protection circuit in the battery positive technology, the steel shell is riveted and integrated with the battery core, effectively avoiding short circuit caused by collision or wear and so on. and will not increase the battery diameter. And it does not increase the battery diameter. The Type-C USB charging interface is set in the positive protection circuit. It can be connected to the USB charging cable to connect the 5V adapter to charge the battery directly, or the USB interface of the computer with high current output. It can also be connected to the mobile power source to charge the battery. You can also put the battery into the charger in the Charging; there is a charging indicator on the battery to indicate the charging status.
Selected 21700 Li-ion battery cells, low internal resistance, high capacity, large discharge current; battery has triple overheat protection: pressure safety valve protection, diaphragm micro hole protection, PTC cathode blocking protection and positive protection circuit with four protections : Overheat protection, overcharge protection, over discharge protection and short circuit protection. The battery positive cap is raised. It is used in the flashlight to contact the positive spring or the PCB contact surface is tighter. Single or multi-cell batteries can be used at the same time. The robust surface labeling process makes the battery protected, safer and more reliable!
View full details
Selected 21700 Li-ion battery cells, low internal resistance, high capacity, large discharge current; battery has triple overheat protection: pressure safety valve protection, diaphragm micro hole protection, PTC cathode blocking protection and positive protection circuit with four protections : Overheat protection, overcharge protection, over discharge protection and short circuit protection. The battery positive cap is raised. It is used in the flashlight to contact the positive spring or the PCB contact surface is tighter. Single or multi-cell batteries can be used at the same time. The robust surface labeling process makes the battery protected, safer and more reliable!
Shop Our Most Popular Cerakoted Flashlights!
-
Olight i5R UV Reactive Cerakote 350 Lumen Black Type-C Rechargeable 14500 Battery - Watermelon
Regular price $59.95 USDRegular priceUnit price / per$69.95 USDSale price $59.95 USDSold out -
Custom Cerakote Series - Olight Baton 3 1200 Lumen Rechargeable Flashlight 1 x 16340 Battery - Shark Skin
Regular price $84.95 USDRegular priceUnit price / perSold out -
Custom Cerakote Series - Olight i5T EOS 300 Lumen Every Day Carry Flashlight AA Battery - Blue Camo
Regular price $49.99 USDRegular priceUnit price / perSold out -
Going Gear Custom Cerakote Series - Olight i3T Flashlight 180 Lumen AAA Battery - Midnight Camo
Regular price $36.95 USDRegular priceUnit price / perSold out