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batteries
Image Type Voltage Typical Capacity Cutoff Voltage
6LR61, 6LF22 9V 500mAh 4.8V
CR2032 3V 225mAh 2V

Charging

CC Constant Current This design is usually used for nickel-cadmium and nickel-metal hydride cells
CV Constant Voltage Used for charging Lithium and some other batteries which may be vulnerable to damage if the upper voltage limit is exceeded
-dV (−ΔU) Derivative Voltage (Change in voltage) This is the most popular method for rapid charging for NiCD
dt Derivative Time (Change in time)
Pulsed charge This enables the chemical reaction to keep pace with the rate of inputting the electrical energy.
Negative Pulse Charging It applies a very short discharge pulse, typically 2 to 3 times the charging current for 5 milliseconds, during the charging rest period to depolarise the cell.

QA:
Can I charge LiPol with LiOn charger? Yes, but be careful.
Longer lifespan? Use battery/cell between 50-75%C (Lion-Lipol) 70-95%C (NiMH)

Primary

Alkaline

Labeled as: Alkaline
2x 11x better than Zinc-Chloride/Carbon

Time durability 5–10 years
Nominal cell voltage 1.5 V
Self-discharge rate <0.3%/month

Zinc–Carbon

Labeled as: GENERAL PURPOSE/SUPER CELL

Zinc–Chloride

Labeled as: SUPER/HEAVY DUTY

Secondary

NiCD

Memory effect

Cycle durability ~2,000 cycles
Nominal cell voltage 1.2 V

NiMH

Memory effect

Cycle durability ~700 cycles
Nominal cell voltage 1.2 V

* Recommended - Eneloop, Panasonic, Tesco Green, GP ReCyko+

Li-Ion

No memory effect

Cycle durability ~700 cycles
Nominal cell voltage 3.7 V
Self-discharge rate <5%/month

Li-Pol

No memory effect

Cycle durability <2000 cycles
Nominal cell voltage 3.7 V
Cut-off voltage 2.7 V
batteries.txt · Last modified: 2017/05/01 00:58 by Jan Forman