Can this Charge any size or is it just one Size?

Thanks for your inquiry! Our USB lithium batteries charger can charge Lir1620,1632,2016,2025,2032 rechargeable batteries,It is very convenient to carry and easy to use!

I'm using for hand gun optic, How long should i expect it to last on one charge?

I used mine for the same purpose. It lasted about as long as a regular battery. Obviously mileage will vary depending on the optic. I also only bought one so I can't really speak to the quality control of every single unit.

Do you have the 4 pack for the LIR1632 and charger?

Dear Fourblades , It only has 2 pack for LIR1632 and charger at this time, You can buy two sets LIR1632 rechargeable batteries and charger. I am so sorry for that! Thanks!

How often and many times can I recharge the lithium batteries?

Hi Samuel , These batteries can not completely run out of power before charging, because the batteries voltage is too low,it can not be charged. You need recharge the batteries If it is not used for half a year in storage. Please pay attention! Thanks!

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CT-ENERGY 4-Pack 1632 Rechargeable Coin Cells Batteries for Tile Key Finder,3.7V LIR1632 Lithium Rechargeable Button Battery Replace 3V CR1632

CT-ENERGY 4-Pack 1632 Rechargeable Coin Cells Batteries for Tile Key Finder,3.7V LIR1632 Lithium Rechargeable Button Battery Replace 3V CR1632

4.2/5

Product ID: 569105960

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Details

Number of batteries
4 Lithium Ion
Brand
CT-ENERGY
Battery cell composition
Lithium Ion
Battery capacity
30 Milliamp
Recommended uses for product
remote

⚡Fast 2-hour recharge

🔋3.7V high capacity

♻️300+ recharge cycles

Description

🔋 Recharge Smarter, Live Connected.

ECO CONSCIOUS ENERGY - Mercury-free design with ultra-low self-discharge rate (<3% per month) keeps your devices ready longer.
RAPID RECHARGE READY - Get back to full power in just 2 hours with advanced USB charger compatibility.
POWER PACKED LONGEVITY - Recharge over 300 times without losing charge capacity—save money and reduce waste.
UNIVERSAL COMPATIBILITY - Perfect replacement for CR1632 in key finders, remotes, sensors, and more—stay connected effortlessly.
CONSISTENT HIGH PERFORMANCE - Delivers stable 3.7V output and supports high working currents up to 30mA for demanding devices.

The CT-ENERGY 4-Pack 1632 Rechargeable Coin Cells are 3.7V lithium-ion button batteries with 30mAh capacity, designed to replace standard 3V CR1632 batteries. Featuring a low self-discharge rate of under 3% per month and over 300 recharge cycles, these mercury-free batteries deliver reliable, high-current performance for devices like Tile key finders, remotes, and sensors. Fast 2-hour charging (with compatible charger) ensures minimal downtime, making them an eco-friendly and cost-effective power solution for your everyday tech.