Please read carefully to choose the most suitable battery for you The voltage (V) of the battery is the same as that of the motor.The maximum power (W) and maximum current (amp) of the battery must be greater than or equal to the power and current of the motor (for example, (48V 1000W 30amp) batteries can be used for (48V 500W 20amp) motors, on the contrary (48V 500W 20amp) Battery cannot be used for (48V 1000W 30amp) motor).Please make sure that the location where you plan to place the battery has enough space for the battery you choose.If you want to buy a long box battery similar to Hailong battery, you need to understand the difference of each long box battery in more detail. The following content is introduced in detail.Our battery has no technical barriers, it can be used for most motors. Hailong(4 types) Triangle battery Rear frame battery Universal battery pack Upgraded Universal battery Add to Cart Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.2 out of 5 stars 26 3.9 out of 5 stars 18 — — — Price $139.98$139.98 — no data — no data — no data — no data Voltage 36V/48V/52V 36V/48V/52V 36V/48V/52V 36V/48V/52V/60V/72V 36V/48V Maximum current 20amp/30amp 20amp/30amp/40amp/50amp 20amp/30amp 20amp/30amp/40amp/50amp 20amp/30amp Capacity 10AH/13AH/15AH 20AH 10AH/13AH/15AH/20AH 10AH/15AH/20AH 13AH/15AH Power 100W-1200W 100W-2000W 100W-1200W 100W-3000W 100W-1400W Warehouse location United States/Canada United States/Canada United States/Canada United States/Canada United States waterproof level IP5 IP5 IP5 IP5 IP5 Hailong (long box) battery installation method steps. Open the safety lock after receiving the battery and separate the battery from the mounting plate.Fix the mounting plate to Ebike, and make sure that the end with the discharge cable is downward.Install the battery and lock the safety lock.Connect the discharge plug to the plug of the controller Conditions for the correct installation of hailong batteries on the triangle fram. The position of the threaded hole of the tripod The distance between the bottom threaded hole and the end of the frame Mounting plate threaded hole The distance between the bottom threaded hole and the end of the mounting plate Conditions that must be met The distance between the bottom threaded hole of the tripod fram and the end of the tripod fram must be greater than the distance between the bottom threaded hole of the mounting plate and the end of the mounting plate.If this condition cannot be achieved, the hailong battery cannot be correctly installed on the tripod fram. The distance between the bottom threaded hole and the end of the mounting plate of 4 types hailong battery Hailong-3&Hailong-3B The two batteries of Hailong-3&Hailong-3B are almost the same, only the discharge plug of the mounting plate is different.Hailong-3&Hailong-3B have USB plugs that can charge mobile devices. Hailong-2 Compared with Hailong-3 battery case, there are fewer installation restrictions. mount base plate adopts more holes design for easier installtion. Hailong-1 Hailong-1 has a smaller size and lighter weight. Triangle battery、 Rear frame battery、 Universal battery pack Triangle battery It is larger and heavier than Hailong batteries. It can store more electrical energy for longer mileage.It is usually installed in the Triangle fram of Ebike. Please make sure that Ebike’s Triangle fram has enough space to place it. Rear frame battery It is usually installed in the rear frame.Its shape is square so that it can be installed in many different positions. Universal battery pack It can be applied to most power supply systems on the market, including electric bicycles, electric tricycles, electric motorcycles, electric scooters, etc.The battery size is different for different parameters, please select the corresponding parameter and check the product picture.It can be customized. Any voltage（V）, power（W）, capacity（AH） and size.