2450 Batteriess Lithium Rechargeable Button Cell 3.7V 4Pack with Smart Coin Battery Charger Replacing 3V Cr2450 Add Lockable Storage Box for Safety using

3.7V LIR2450 VS 3V CR2450: This LIR 2450 battery by CTYOUNG, compared to standard CR 2450 batteries, same size and delivers a higher voltage of 3.7V, bringing a high working performance to your devices. With 120mAh capacity and 500 times cycle charging, No worry to throw away the batteries when power is running out. Universal Application: Our LIR 2450 rechargeable battery is a versatile power solution, it's an ideal choice for key fobs, remote controls, wearable tech, computer equipment, clocks, toys, digital cameras, Bluetooth speakers, and so much more, delivering steadfast performance across all platforms. But as it is rechargeable design, the working time may not keep the same as per disposable 2450, like some candle lights will not fit for this type of rechargeable batteries. Ideal Compatibility with Coin Battery Charger: This lithium button battery charger. Widely charging different size of rechargeable coin cells, NOT only for LIR2450 charging, it can also charge LIR2032/LIR2632/LIR1620/LIR2016/LIR2025 etc. Reaching full power in approximately 3.5 hours. Its capacity to charge four coin batteries at the same time. You can choose 20mA and 40mA to control your battery charging time. Child secure double protected: the double blister card is designed to avoid accidental opening-the package can only be opened with scissors, and we add one more preotected case with screw for the USB coin battery charger when charging. the same way to keep children away from our coin batteries and safety for using. Please USE the protetive case when you are charging the coin batteries. You can get from this packaging: A Set includes 1pc of Smart Lithium ion coin Charger, 4pcs of CTYOUNG 2450 batteries, 1pc of Type-C USB cable and 1pc of instruction sheet for you. 1 Year Free Replacement, Lifetime Maintenance.