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Exactly, even the charger manufacturer develop their own proprietary connector. The worst is that some ebike manufacturer develop their own patented battery case to avoid a 3rd party battery option.

Yes, that is suggested by our engineers unless you can make sure the two batteries are totally same and new, and to charge both batteres to same voltage to use everytime. And pls also check with the converter module manufacturer to see what is best way to use.

Thank you @AHicks for recommending us always. As @tomjasz mentioned, the lockdown hasn't been lifted yet, but things are getting much better now. The secondary battery shall be Reention Polly DP-2170-5,368x95x125mm, max available for 52V 15Ah by Samsung 21700 cells as Rize offers. DP-9...

The battery is indeed switched from Reention Rhino IR-5 to IR-7 version on 700 series. IR-5, 363x74x99m, 52pcs 18650, 48V 14Ah max. IR-7, 441x74x99mm, 70pcs 18650 or 42pcs 21700, 48V/52V 17.5Ah by 18650, or 48V/52V15Ah by 21700. IR-21700, 441x80x108mm, 60pcs 21700, 48V/52V 20Ah max by 21700...

Hi, which dual battery converter module you chose? As I know, there are two kinds of module, one for discharging from A to B battery, and another for discharging from both batteries in the same time. Even for the latter, it is suggested to choose a second battery with on/off switch to still let...

Hi, may I know your ebike model? It looks same as NCM Moscow. I will invite @Bitmugger to share the testing result, who owns a NCM Moscow and he will test the Dorado 52V 20Ah after the lockdown lifted here.

NCM Milano uses the same Dorado 18inch battery. @Eucrider https://www.leoncycle.co.uk/NCM-Milano-Trekking-E-Bike

Thanks Pat for sharing the real testing reviews. The BMS is 30A, so 20amp or less continuous discharging current is definitely no problem. And I believe 15amp is better for prolonging battery life.

I think it is easy to add a keyed switch on the PVC battery pack. For the Dorado, it is not harmonious to add an external switch and no holes for the BMS switch wire going out. Hope Reention can add a seperared power switch when they develop the new Dorado version.

Agree~,will look into the modified control board and update here when available.

Thanks for editing the post :) The lockdowns shall be lifted at the end of April. Looking forward to your inquiry via email. [email protected]

I see, this kind of lock system is a combination of mechanic lock and battery power lock, which is only used for like Silverfish battery. The Dorado lock is mechanic lock system. The lock is installed on the top mounting brackets, seperated from the battery body, not available for powering...

Sorry, we haven't found the manufacturer of the indicator board with switch function. May I know your ebike model? Or would you consider the Polly battery, downtube frame mounted battery, coming with power switch, if for ebike conversion use.

Yes, eactly. The button on the Reention original indicator board is only used for showing the battery capacity when your press and hold it. As I know, some ebike manufacturers replaced the indicator board in order to add the function of powering on/off the battery on the button, mostly on Dorado...

Besides the better performance, the 21700 cell cost is much more cost-effective. So the ebike manufacturers like Reention, Shanshan,SYR all have designed 21700 cells brackets for some old 18650 type case, or added a new 21700 version. And most newly launced case are all designed for both 18650...

Hello L2 355mm x W 74mm x D 92mm is Reention IR-7, and it is already available for 42pcs 21700 verison. 13S3P Samsung 50E 21700 48V 15AH 720Wh 14S3P Samsung 50E 21700 52V 15AH 780Wh Both come with 30A BMS for max 1000W motor.

Hello @ProphetZarquon , sorry for my slow response here. For now, Dorado 21700 505L/18inch 48V 25Ah/52V 20Ah is confirmed to be maximum upgrade option for Dorado mounting system. Some Frey riders already tested the 48V 25Ah and 52V 20Ah mostly with 6pin discharging port and Reention 3pin...

Hello, sorry for not checking these posts in the passing month. Could you pls help check if these is DHC079 or ALX079 carved on the battery case? Most such kind in-tube battery cases are designed by Guangzhou ALX company.

Hello @Ducky77 Thanks for contacting me by email. And thank you for all you continued support to recommend our battery. I have sent all these most popular frame mounted battery options to Ducky77.

I am so sorry for my overdue response here. As a factory, we must have to improve production efficiency. That is why we have to work with some ebike brands and battery resellers. Therefore, I might not repond to each of your inquiry in time and might not follow your order efficiently. But I will...