Pro 2 Models (important is the '2', Pro 2 = Li-Ion; Pro = NiMh): Pro 2 2900 Pro 2 2950N Pro 2 2700 Pro 2 2500 Pro 2 2000N Pro 2 2000S Smart without 'Series' = Li-Ion (Smart x = Li-Ion; SmartSeries = NiMh): Smart 4 4000N Smart 5 5000N Smart 6 6000N Genius 8000N Genius 8900 Genius 9000N Genius 9900
Oral-B and their toothbrushes with Li-Ion
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I like the electrical toothbrushes, but I didn’t like the memory effect they got after some years of loading their accumulators (prevalent uses NiMh in their devices). So I want to thank Matcher for his review of Oral-B toothbrushs and their batteries, I didn’t want to buy NiMh accumulators anymore, so his list of models with Li-Ion is very handy. Thanks for your invested time!