Weltool UB-123A 3.0V USB Rechargeable Li-ion Battery

Weltool UB-123A 3.0V USB Rechargeable Li-ion Battery      Many electrical products use one or more CR123A disposable lithium batteries. Because they are not rechargeable, customers always need to purchase a large number of batteries. The nominal voltage of the CR123A battery is 3V while the normal rechargeable lithium battery on the market of the same size reaches a voltage of 3.6V-4.2V (±0.05V) when fully charged, which will damage the electrical products because of the high voltage. The output voltage and size of the Weltool UB-123A are exactly the same as CR123A. It can be recharged 300 times, eliminating frequent purchases of single-use CR123A batteries, lowering operating cost and protecting the environment.      Please pay attention that the incandescent flashlight can't use UB-123A.       Placing the protection circuit with the battery core at the anode (positive terminal), combined with the steel outer shell, UB-123A effectively prevents the danger from impact, such as sho