| CCCV | constant-current, constant-voltage (charging scheme) |
| DAE | differential algebraic equation |
| DC | direct current (opposite of AC = alternating current) |
| EH | energy harvesting |
| FOCV | fractional open-circuit voltage (method) |
| MPP | maximum power point |
| PMIC | power management integrated circuit |
| PI | proportional–integral (controller) |
| P&O | perturb and observe (method) |
| WSN | wireless sensor nodes |