Question about Norelco T870 Beard Trimmer
The battery can be replaced. There is a single AA NiCd battery w/ tabs
into the main circuit board.
To open up the trimmer, first take the silver screw out (located near the lower back side). Then pull the trim guard off the top (should come off easily). Next, the rubber-like ring used for adjusting the trim height needs to be pulled off -- this can be difficult but just work your way around and ease it off. Finally, the metal clip on the end of the trimming head needs to be removed, and the plasic case can then be popped open, revealing the circuit board.
If you're not comfortable soldering or disassembling it, it can likely be done at a local Batteries Plus store.
Posted on Mar 30, 2010
Norelco T870 is apparently a bit different from the T860. There is no silver screw near the lower back side and no metal clip on the end of the trimming head. The rubber-like ring can be removed easily by rotating it to the right place. Two metal parts with springs and a plastic part will fall out but can easily be replaced. With the ring out of the way the top half of the case can be pried upward making the circuit board and batteries accessible. There are 2 Ni-Cd batteries soldered in place, 1.2V, 600 mAh. I ordered from totalvac.com.
Posted on Mar 06, 2011
Just try pulling off the metal clip holding the blades first. Mine was chocked full of bristles. Bit like an insane hamsters cage. So jammed in fact that this was stopping the motor from rotating, and giving the impression that the battery was flat
Posted on Mar 31, 2010
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Posted on Jan 02, 2017
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