Rechargeable batteries can become weakened over time by light use and light charging. Try running the shaver totally flat and then charge the shaver over night. If this gives you back your batteries back their charge then in future run the shaver until flat each time before charging.
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Rechargeable batteries can become weakened over time by light use and light charging. Try running the shaver totally flat and then charge the shaver over night. If this gives you back your batteries back their charge then in future run the shaver until flat each time before charging.