48 Volt 42000 mAh Ebike Battery Review

It’s really tough to get an ebike battery in La Paz. It’s expensive, plus it takes a month or more to arrive.

I have seen many cheaper ebike batteries without the hailong case for about 1500 pesos, and I thought for sure it was a scam. But, in desperation I decided to give one a shot.

I went with the GNIUBBDB Batería de Iones de Litio para Bicicleta eléctrica, 48 V, 42 Ah, 13S3P, con Cargador y protección BMS incorporada, Ideal para Motor de Bicicleta eléctrica de 200-1500 W XT60 Plug. It arrived, and no, it is not 42000 mAh, but it is 48 volts.

Details Of The Order

I ordered on July 26, and it said it would arrive between August 6th and 20th. It arrived on the 20th, which is a triumph of sorts because it can be difficult for things to arrive from China to La Paz (I ordered a different Hailong battery earlier this year that got lost in customs).

The cost was 1,717 pesos with free delivery. This would be a great deal for a 42ah battery. But, it is not 42 ah 😦

How Do I Know It’s Not 42000 mAh?

It’s easy to count the battery cells in the package. There are 3 rows of 13 cells, equaling 39 total cells.

They are arranged in 13 series connected cells to equal 48 volts, and then 3 parrallel connections between those groups. Each series connected group probably has about 3000mAh, so it comes out to about 9000mAh total.

There is no chance it is 42000 mAh.

Is It Worth It?

1,717 pesos for a 48 volt 9ah battery may not be so bad. I still need to figure out how to make a good case but these could be the best way to get an affordable ebike battery in La Paz.

Plan For Using Battery

9ah is pretty small, so I want to connect multiple of these in parallel to create a bigger ebike battery. To accomplish this, I will use a XT60 Parallel Battery Connector Cable Extension Y Splitter.


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