Lithium ion (Li-Ion)

Lithium polymer (Li-Poly)

Nickel cadmium (Nicad)

Nickel metal hydride (NiMH)

Plastic cell

Lead acid cell

Nickel metal hydride cell

Gelled electrolyte lead acid cell

Float charging method

Trickle charging method

Constant current charging method

Constant voltage charging method

Test the battery life

Test the load current delivered

Test the charging current of battery

Indicate the health condition of battery

Multimeter

Hydrometer

DC voltmeter

High rate discharge tester