LiR1632 batteries may be recharged hundreds of times, but they also feature lower capacity, higher self-discharge rate, and nominal voltage that depends on the exact lithium-ion chemistry and that varies between 3.2 and 3.7 volts.Īs said before, rechargeable 1632 batteries may also come in manganese lithium chemistry (ML1632, 3.0 volts) and vanadium lithium chemistry (VL1632, 3.0 volts) - all these batteries should be recharged with the battery chargers designed for such batteries, or they can, again in the best case, overheat and burst to flames. Note: We already mentioned rechargeable ML1632 and VL1632 batteries which are very rare. There is no such thing as "Rechargeable CR1632 Lithium-ion Battery" - there is a rechargeable lithium-ion button/coin 1632 battery, with the most common label of "LiR1632 battery".
Rechargeable CR1632 Lithium-ion Battery - LiR1632 Battery Note: If You need CR/BR batteries with soldering tabs, buy one - do NOT try to solder the tabs at home since it will, in the best case, destroy the battery. In order to mount the batteries, some BR1632 and CR1632 batteries come with soldering tabs, simplifying the replacement of the old BR1632/CR1632 batteries. For example, the Panasonic BR1632 battery features an operating temperature range between -30☌ and +85☌, while the Panasonic BR1632A battery features an operating temperature range between -40☌ and +125☌. The nominal voltage of BR1632 batteries is 2.8 volts, the cutoff voltage is ~2.25 volts, and the nominal capacity is 110-120 mAh, with a continuous drain current of "only" 0.03 mA.Īlso, carbon-monofluoride lithium chemistry doesn't tolerate pulse currents very well.īut, carbon-monofluoride lithium chemistry offers a somewhat longer shelf life (10+ years), and a wider temperature range. When CR1632 batteries are used at room temperature, they feature a very low self-discharge rate, with some models having a self-discharge rate of ≤1% per year and a shelf life of 10+ years.īR1632 batteries are round button/coin cell batteries of the same physical dimensions as CR1632 batteries but featuring carbon-monofluoride lithium chemistry that offers somewhat different performances. Of course, there are certain limitations in performance at extreme temperature ranges. The operating temperature of CR1632 batteries is usually in the -20☌ to 60☌ range, with some models being able to withstand temperatures between -30☌ and 85☌, with some models supporting temperatures between -40☌ and +125☌.
Manganese-dioxide lithium chemistry tolerates well pulse drain applications (for example, wrist watches with alarms or LED lights, key fobs, and other medical devices), but the frequent use of such applications may shorten operating life significantly. Similarly, the nominal capacity of the CR1632 batteries is around 120-140 mAh, with the standard discharge current being around 0.1-0.2 mA.Īctual capacity depends on the temperature and the drain current. However, cutoff voltage often depends on the cutoff voltage of the device being powered by a CR1632 battery. Note: rechargeable 3.0V ML1632 batteries, and especially VL1632 batteries, are very rare, but we mention them just in case.ĬR1632 battery is an "official" label (according to IEC standard), but there are other labels in use as well, like DL1632 (by Duracell), ECR1632 (by Energizer), and similar.ĬR1632 battery features a nominal voltage of 3.0 volts and a cutoff voltage of ~2.0 volts. It should not be confused with rechargeable 3.0V manganese lithium chemistry, labeled as an "ML" battery, or rechargeable 3.0V vanadium lithium batteries, labeled as a VL1632 battery. Letters "CR" means that it is a round battery (hence "R") and features a non-rechargeable manganese-dioxide lithium chemistry. Lithium CR1632 battery features physical dimensions of (D x H) 16.0 x 3.2 mm (~0.63 x 0.126 inch), hence the "1632" part of its label. Lithium CR1632 Battery Features and Specifications
But, it also comes with different labels, causing some confusion among the users. It is quite a common battery and easy to obtain. Lithium CR1632 battery is a very popular battery, commonly used in car keys, remote devices, toys, calculators, digital watches, CMOS battery, and similar. Lithium CR1632 battery is a non-rechargeable button/coin cell battery based on the manganese-dioxide lithium chemistry, featuring a nominal voltage of 3.0 volts.
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