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  1. ebikesforum

    The Best 18650 Cells on the Market in 2020 - Price & Make?

    18650 Cell Prices Typical prices are currently $3-6 USD per cell. If you’re paying $6 per cell make sure they’re 3.5Ah cells. Best 18650 Cells on the Market in 2020 Right now the best cells on the market are Samsung 35E type 18650 cells. They have a low MDC but that’s ok in almost any e-bike...
  2. ebikesforum

    eBike Battery Cell Life - How long do 18650 cells last?

    eBike Battery Cell Life Cycle life is a hotly debated subject, but here’s what I know. A battery is cycled once every time you charge it and then discharge it. It doesn’t matter how much it is charged or discharged, just that one happens and then the other. If you charge it 20% then use 10%...
  3. ebikesforum

    18650 Ebike Battery Cell Voltage (V) & Cell Capacity (Ah/Wh)

    Ebike Battery Cell Voltage The nominal or average Voltage of one cell is about 3.6V or 3.7V. The maximum charge is 4.2V, and they can be drained to 3.0V. As you use them, the voltage will go from high to low as the battery produces current, but it’s best to keep them between 3.1V and 4.1V...
  4. ebikesforum

    eBike Battery Cells - What does 18650 mean?

    Batteries used in current generation e-bikes are made with lithium-ion cells. The cells look like a giant AA batteries. There are two commonly used sizes: 18650 (18mm diameter, 65mm length, 0 means it’s a cylinder), and 21700 (21mm diameter x 70mm length, 0 cylinder). 18650 is most common...
  5. ebikesforum

    Easy Ebike Battery Building Kit - Join 18650 Cells with No Welding! - Vruzend V2.1 Review

    The VRUZEND V2.1 is a high power battery building kit. The caps are similar to the V1.5 kit, but the SS components are upgraded to copper coated with pure nickel for the highest level of conductivity and the best level of corrosion resistance. The V2.1 kit replaces the V2.0 kit by adding barrel...
  6. George

    Ebike Battery Dead - 48v 13s4p 18650

    My ebike battery just stopped working it would not take a charge and would not power the bike at all. I disassembled the pack and my connections are fine and the charger is fine. I tested the cells and the cell group 12 is showing 0 volts. The battery is pretty intricate in design, it goes in a...
  7. Q

    Can't get the right firmware for the Smart BMS assembled with my 18650 Lithium battery pack

    I purchased some 18650 Lithium battery pack Smart BMS from Aliexpress, https://www.aliexpress.com/item/3284076 ... 4c4dCwfpYI. I assembled the Lithium battery pack and this Smart BMS together, and its Bluetooth feature works well. A couple of days ago, I tried the UART module with my laptop...
  8. J

    Building a 4 x 13S14P battery pack for an electric bike with 18650 cells

    I want to build a 96 Volt battery with 95Ah to power a 3000 Watt hub motor. The cells are Samsung 18650INR 35E rated at 3500 mAh with 8-10Amps of discharge. Is this a good idea or am I missing something? I'm looking for good range...
  9. ebikesforum

    LEV Battery Packs for ebikes made from Sanyo 18650 and Smart BMS

    Top Brand Li-ion 18650 and smart BMS with communication for e-bikes.
  10. lemi

    Battery Packs Made of Samsung 18650 and Hard Case

    High Qualified Li-ion 18650 Battery packs for electric bikes
  11. ebikesforum

    36V Scooter Battery Packs produced in mass Li-ion 18650

    Rechargeable Li-ion 18650 10S2P 36V battery packs for electric scooters are perfect to use for ebikes.