Battery secondary cells

Nickel Cadmium (NiCad)
- Voltage per cell: 1.2V
- Good for: deep-cycle discharge, high current
- Avoid: low current, long time period applications (loses charge quickly when doing nothing)
- Found in: cordless power tools, older RC cars
Nickel Metal Hydride (Ni-MH)
- Voltage per cell: 1.2V
- Good for: general purpose use, long shelf life, mixed shallow/deep discharge
- Found in: AA rechargeable batteries, cordless phones
Lithium Ion (L-Ion)
- Voltage per cell: 3.6V
- Good for: high energy density, moderate current draw, frequent intermittent recharging
- Avoid: deep discharge, heat, sitting around doing nothing for a while (loses life over time regardless of use)
- Found in: phones, laptop computers, RC cars, cameras, etc.
- More Information
Lithium Polymer (LiPo)
- Voltage per cell: 3.6V
- Good for: extreme energy density, moderate current draw, fast recharge
- Avoid: heat heat heat!
- Found in: mp3 players, phones, R/C aircraft
Lead Acid
- Voltage per cell: 2.1V
- Good for: high current, long life
- Avoid: deep discharge, heat
- Found in: car batteries
Sealed Lead Acid (SLA)
- Voltage per cell: 2.1V
- Good for: harsh environments, better deep-discharge performance than regular lead-acid
- Avoid: excessive deep discharge, heat
- Found in: boats, home solar power systems

References

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