How Can You Tell The Manufacture Date Of A Battery. The first 2 digits. When a battery is expired it means that the batterys manufacturer can no longer guarantee that the battery has a full life or charge.
Thanks for any input that you have. We see an I-3 in the above example. The old battery had HMB 28226 12309 stamped onto its top face and a sticker on its side reading 14242309.
Just an FYI for those who have Milwaukees RedLithium batteries.
With these types of batteries youre looking for a four- or five-digit shipping date code engraved into the cover. The code is engraved into the positive terminal. Now how did we determine that. The number corresponds to year of manufacture.
