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There are always two charging circuits for Li batteries, one in the battery and the other in the charger. They pair together to negotiate the voltage and curren
by glitchc 2y ago
There are always two charging circuits for Li batteries, one in the battery and the other in the charger. They pair together to negotiate the voltage and current. There's a dedicated protocol to do this.
- teraflop 2y agoThis is absolutely not "always" true. There are tons of 18650 cells that have no electronics whatsoever, and there are tons of dedicated charging ICs that connect directly to cells/batteries.