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| billtodd:
Sorry to dig up an old thread (blame Joe Q Smith :-)) This is my solution to the 181 battery life problem : I've added a cheap wireless charging module in the battery compartment (no mods other than cutting the battery wires) . The module (from ebay) originally output 5v but was adjusted to give 7.something volts through a schottky diode . Positioning is critical to get the 7+ volts (enough to top-up, without overcharging, the battery) . A 3d printed carrier holds the transmitter on the outside with magnets attracted to the compartment screw heads. Bill |
| joeqsmith:
That's an interesting way to work around it. How long are you logging for that battery life became such a problem? When new, I was getting about 40 hours. Now after a few years, the battery included with my meter is starting to drain much faster. Fluke offered a battery pack for their 189 which replaced the stock back cover. This allows you to use Cs in place of the AAs. I have a friend that has one and I don't think they have changed the batteries yet. Its so thick that the meter stands up on the battery pack. I use all rechargeable and have multiple sets that I rotate through. We don't have that luxury with our 181As. I would buy an extended kit similar as Fluke offered for the 181A if it were offered. Thanks for the post. |
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