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  1. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    Each of your ebike battery will be tested a cycle of charging and discharging to get the real capacity data before shipment.
  2. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    It is okay if you can easy control to charge to 80%. This is a Dorado 25Ah capacity testing , 24.5Ah tested, battery voltage is about 43.9V/44V when battery discharging 80%, 19.6Ah, with 20% left. So you can set the controller cut off at about 44V. The BMS itself cut off voltage is 35.75...
  3. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    For BMS with balance function, the balance voltage is usualy set as 3.8V, corresponding about 80% capacity. For the non-balance BMS, the BMS won't balance cells. Charging to 100% won't shorten the battery lifetime. The most important to care is : Don't overdischage the battery Don't store...
  4. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    Yes, and no custom tax. It is DDP term (Delivery Duty Paid) . The shipping agent will ship the parcel to Canada and pay for the tax, with UPS delivery to door.
  5. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    The BMS we choose is Super Power brand non-smart 13S 30Amp, no balance function. The Samsung cells voltage consistency is very good, so the balance function is not necessary. All our ebike batteries use the Super Power BMS, basically no defective products.
  6. Jenny Mao

    Just received a new Dorado 25ah battery

    Agree, I think 52km with 2bars left, that is not bad. The battery cutoff voltage is about 39V. Also the discharging capacity is a bit less in low temperature riding. In our mass production capacity testing, the 25Ah tested capacity under 10A discharging, is about 24.5Ah in Summer, and only...
  7. Jenny Mao

    Just received a new Dorado 25ah battery

    USD600 is best ever price for Dorado 25Ah with a 4amp charger, with shipping cost and custom tax all included in Alibaba March Promotion. :)
  8. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    Hello Jeremy, is your 20Ah battery from us? The 5V PCB we use has a rated 800mA, max 1A output. The USB port comes with Reention case.
  9. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    Hello, I have the 2D drawing of the Dorado cases, I am not sure if it helps. Reention won't give me the 3D drawing. If you need it, pls send me an email, will send you via email. The file can not be attached here. Thanks!
  10. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    Hello all friends, Alibaba March Promotion Starts! PayPal discount Buyers who use PayPal to pay orders for the first time can save US $2 on every US $100 they spend, up to a maximum discount of US $30. USD600 for Dorado 21700 505L 48V 25Ah with 4amp charger. USD500 for Dorado 21700 440L 48V...
  11. Jenny Mao

    WASTE OF MONEY! Level V1 Batteries are not being made anymore.

    What is the difference between V1 an V2 terminal? The SYR Mustang A type is available for 4pin (C-01-4AY) and 6pin (C-03-6AY) discharging terminal. The SYR Mustang B type is only available for 6pin (C-05-6AY) discharging terminal.
  12. Jenny Mao

    Rize RX 2021: 52v 12Ah secondary battery upgrade

    FYI, this is the Polly 52V 25Ah 1300Wh battery purchased by @jimbocrimbo , specs as below. And I shorten the plug to about 15cm. Reention Polly DP-2170-7 52V 25Ah 1300Wh for Rize RX 1000W 2nd Battery 1) Battery Size 368x95x156mm 2) 14S5P Samsung 50E 21700 Cells Pack 3) 5Pin Discharging Port...
  13. Jenny Mao

    Rize RX 2021: 52v 12Ah secondary battery upgrade

    @jimbocrimbo Would you mind sharing some pictures so that we can see how the battery is finally installed, and how much clearance left. Thank you!
  14. Jenny Mao

    Rize RX 2021: 52v 12Ah secondary battery upgrade

    @jimbocrimbo Thank you so much for your post to explain how the new 52V 25Ah Polly installed on the Rize RX 2021. @wanders It is Higo Z624 plug and socket we choose for replacing Rize socket.
  15. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    I think yes. And make sure cable is thick enough if you such high current.
  16. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    It is 20amp rated on each connector just confirmed by Reention engineer.
  17. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    I agree with @TPEHAK explanation. For example, voltbike battery use 1,2,3 all for positive, 4,5,6 all for negative. Some manufacturer only use 2+,5-, and some use like 1,2+and 4,5-. I will double check with Reention about the each connector rated load current.
  18. Jenny Mao

    Reention Dorado 48V 25Ah 29Ah&36V 30Ah (505L) Replacement Battery for eBikes Surface 604,NCM,Rize,Magnum,Aventon

    For the SYR Mustang/Pathfinder A type battery, 4pin and 6pin both available. For the B type battery, only 6pin is available.
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