H HAILONG Ebike Battery 52v 15Ah for Electric Bike/Bicycle Motor Kit, 52 Volt Lithium Battery for 200W-1200W Motor with 58.8V 2A 3-Pin XLR Charger 30Amp BMS USB Charge Port and Battery Lock(52V 15ah)

These are good batteries, I have ordered a total of three - all perform well.

Terrific battery and charges easily. The charging cord is solid and durable. Range is great for riding in hilly areas. 52v is so responsive.

It's a little heavy, but you only mount it once.

After a few weeks of use this battery started toggling itself off during a ride - no bump necessary. I determined that that the red power switch was the problem. Contacted the seller DA Energy. They responded as follows:It seems that it was damaged by yourself. If you want a new power switch, you need to pay 8 dollars. We shipped it to from abroad. And it takes 30 days. Thank you very much!Really poor. Buy from someone else.

I used the battery for a long ride, I just have to say I got tried before the battery hit the half way point. Now I’ll just wait and see how long it will last.

On hindsight, I should have bought the 52v version since I have the bafang bbshd. Three is alot of battery sag after the battery is down to 60%. It may have to do with the motor power.

You must have at least 9 inches between the lowest water bottle mount hole and the seat stand post. I've only had it for a month or so. My review is purely on installation and not longevity. The mount for this battery is not a universal fit. In order to mount on my bike without drilling holes i had to mount it upside down, which is not good for a long term solution. If you look at other battery brands the mounting plates have more than 2 mounting holes available but this brand has used up most of that space with something that shouldn't be drilled thru. So to mount it right I had to get Rivnuts and drill some extra water bottle mounting holes further up the the frame. Other brands do not have this problem.

You'll get 20 miles range out of it with no problem. 1 mile per amp hour. Peddling with probably get you and extra 5-7 miles. Charge time is about 6.5 hrs. Great Battery for the price.