Lithium Manganese Oxide (IMR) and Lithium Nickel Manganese Cobalt Oxide (NMC/INR) may be charged with the previously mentioned EBL charger, or other single chemistry Lithium-ion chargers. Most single chemistry Lithium-ion chargers can only charge batteries that have a 3.6V or 3.7V nominal rating and a maximum charge termination of 4.2V. The EBL charger charges at a 450 milliamp (mA) rate, which is about a 1.3C charge rate. While this is a little bit high for 10440 size IMR and INR batteries, it is okay.
Single chemistry Lithium-ion chargers give no indication about the charge, other than when it is "full". Very Important: All Lithium Iron Phosphate (IFR) batteries, including the 10440 size batteries, require a "true multi-chemistry" charger. The 10440 size Lithium Iron Phosphate batteries should be charged at a rate closer to 0.3 amps (A), 300 milliamps (mA). A "true multi-chemistry" charger can charge several different battery chemistries. This type of charger has a display screen for the user to program the chemistry and the charge or discharge rate. The display screen also allows information to be displayed during the charge or discharge process. The single chemistry Lithium-ion charger actually used for charging IMR batteries for this article is the EBL Universal Battery Charger Speedy Smart Lithium Charger for 3.7V Rechargeable Batteries. A Single Chemistry Lithium-ion charger that can charge 10440 size batteries at closer to 300 milliamps (mA), 0.3 amps (A) might be a better choice for IMR and INR batteries. Lithium Iron Phosphate batteries MUST NOT BE CHARGED WITH THESE TYPES OF CHARGERS! I do not consider these type of chargers a viable option for 10440 size batteries, and they are totally NOT useful for 10440 size Lithium Iron Phosphate batteries. To see some of these types of chargers, view the video titled "REVIEWING: 5 x Cheap Lithium Ion 18650 Battery Cell Charger Capacity | Li-Ion | Vape | Best | 2020". |