===== Ninebot battery SN anatomy ===== [[https://i.imgur.com/mOi3bin.png|Visual diagram]] Example SN: **4WWEQ20D5C0420** * **Gray -**Compatible model * **Purple -**Version/Edition * **Yellow -**Manufacturing line at the factory * **Green - **Year of production * **Black - **Month of production * **Blue -**Day of production * **Red - **Product revision * **Orange -**Unique unit ID ==== Compatible model ==== **4 - **Represents a battery compatible with the Ninebot E/ES series scooters. **5 - **Represents a battery compatible with the Ninebot Max series scooters. **6 - **Represents a Ninebot Max battery used in non-foldable rental units. ==== Version ==== If the version ID starts with a **W**, then it's a **external **battery on an ES, or an intenal on a MAX. If the version ID starts with a **V**, then it's a **internal **battery on the ES. ==== Year of production ==== Represents the year in which a battery was made. 20 - 2020, 19 - 2019 etc. ==== Month of production ==== Represents a month in which a battery was made. **A** - January, **B **- February **C **- March **D **- April **E **- May **F **- June **G **- July **H **- August **I **- September **J**** **- October **K **- November **L **- December ==== Day of production ==== Represents a day in which a battery was made. ^ Day ^ Character in the SN | | **1** | **1** | | **2** | **2** | | **3** | **3** | | **4** | **4** | | **5** | **5** | | **6** | **6** | | **7** | **7** | | **8** | **8** | | **9** | **9** | | **10** | **A** | | **11** | **B** | | **12** | **C** | | **13** | **D** | | **14** | **E** | | **15** | **F** | | **16** | **G** | | **17** | **H** | | **18** | **I** | | **19** | **J** | | **20** | **K** | | **21** | **L** | | **22** | **M** | | **23** | **N** | | **24** | **O** | | **25** | **P** | | **26** | **Q** | | **27** | **R** | | **28** | **S** | | **29** | **T** | | **30** | **U** | | **31** | **V** | \\ ==== Product revision ==== Represents the battery revision. **A **represents rev. 1, **B **represents rev. 2, **C **rev. 3 etc. ==== Unique unit ID ==== Incremental counter identifying every battery made each day. For example 123 means the 123rd battery made on a particular day. \\