NANFU LR54 10PACK

10 PACK LR54 BATTERIES - 10 pack of 1.5-volt LR54/189 coin cell batteries with stable voltage to effectively preventing the unstable current from harming electrical appliances. (Mercury-free),LEAKPROOF TECHNOLOGY - Stainless steel exterior with good sealing performance, which can prevent the short circuit and leakage between the positive and negative electrodes and enhance battery safety.,LONG-LASTING POWER - Adopting new energy battery cell technology, each battery has passed strict quality control and power test to ensure that all of them have full voltage and long life. ,3-YEAR SHELF LIFE - All coin cell batteries can hold power up to 3 years in storage without leaking, you can choose to store them for emergencies or use them right away when you need them.,WORKS WITH ALMOST ALL YOUR DEVICES - For any household devices that require coin cell batteries, i.e., watch, calculator, toy, medical device, sensor, etc. (Primary/disposable)