If you've already determined your hailong frame mount uses a 5-pin connector, this is the version to look at. The KUSAYLA 48V 20Ah 5-pin hailong battery delivers 960 watt-hours in the shark/hailong form factor with a 5-pin base connector, 30A BMS rated for 75A peak, XT60 discharge plug, and motor compatibility from 0 to 1800W. The specs are identical to the 4-pin variant (B0GKNSQL2Q) except for the base connector pin count. The connector pin count is the single deciding factor between the two.
Why 5-Pin Exists as a Separate Product
The 4-pin and 5-pin base connectors on hailong batteries serve the same fundamental function: they physically seat the battery in the frame slot and complete the electrical connection. The difference is that different frame manufacturers use different pin configurations. Some frames have 4-pin battery mounts, others have 5-pin.
The pin configuration is not interchangeable. A 5-pin battery will not correctly mate with a 4-pin frame mount, and vice versa. Ordering the wrong variant is the most common compatibility mistake with hailong batteries. Before ordering, check one of these sources: your existing battery's base connector, the female connector in your frame's battery slot, or your frame's documentation.
If you're building a new frame and haven't yet chosen a battery, the frame's battery slot documentation will specify the pin count it requires.
The practical consequence of getting this wrong is that the battery will not seat correctly in the frame slot, and the electrical connection will not complete. This is not a dangerous situation, just an incompatible one. Returning and reordering the correct variant resolves it, but the delay and shipping cost are avoidable. Spending two minutes verifying pin count before ordering is worth it.
Specs: The Same Core as the 4-Pin
960Wh at 48V and 20Ah. The 30A BMS handles 1440W continuous with a 75A peak rating for brief current spikes. Motor compatibility runs from 0 to 1800W. The XT60 discharge connector handles the connection to the ebike controller.
Real-world range on 960Wh: most riders get 30 to 50 miles per charge on typical terrain. Flat ground with pedal assist pushes toward the upper end. Hills and throttle use bring the effective range toward 30 miles. For commuters with a 20-mile round trip, a full charge covers multiple days of riding.
The 75A peak is the meaningful differentiator from BMS packs that only list a continuous rating. Hard acceleration from a stop and sudden power demands on steep starts can produce brief current spikes well above the 30A continuous rating. The 75A peak means these spikes don't trigger a BMS cutout, which would interrupt power at the worst moment.
Hailong Form Factor Benefits
Frame-integrated mounting keeps the 20Ah battery's weight centered and low on the bike. Compared to a rear rack-mounted external box at the same 960Wh capacity, a hailong-mounted pack improves handling noticeably: better balance through turns, less weight shift on rough terrain, and a cleaner aesthetic.
For a 20Ah pack that weighs around 12 pounds, the mounting position matters more than at 10Ah. The hailong's downtube position puts the mass where it affects handling least.
Riders who switch from a rear rack-mounted external box at 20Ah to a hailong-mounted pack at the same capacity often describe the bike as feeling lighter and more responsive, even though the total weight is similar. The change is in where the weight sits rather than how much there is. This is one of the better arguments for choosing the hailong format when your frame supports it.
Connector Clarity for This Listing
To be explicit: this listing (B0G9G8KWGW) is the 5-pin base connector variant. The XT60 is the discharge connector that plugs into your controller, and that's the same on both 4-pin and 5-pin versions. The 5-pin refers specifically to the frame mounting connector.
Understanding these two different connector types on the same battery helps avoid confusion when comparing listings. The base connector seats the battery in the frame slot and provides a mechanical connection. The XT60 discharge connector is the power output to the controller. Both matter for compatibility, but they are separate concerns. The base connector pin count determines which frame the battery fits. The XT60 determines whether your controller can connect without an adapter.
Check current pricing and reviews on Amazon for the most current listing status and availability.
Who Should Buy This
The KUSAYLA 48V 20Ah 5-pin hailong is for riders with a confirmed 5-pin hailong-compatible frame mount who want 960Wh of capacity in the frame-integrated format. The 30A BMS with 75A peak handles the 0-1800W motor compatibility range, and the XT60 discharge connector is the right choice for this power class.
If you need the 4-pin version, that's a separate KUSAYLA listing (B0GKNSQL2Q). For external box options in the same capacity, check the battery comparison table and filter by voltage and capacity to find 48V 20Ah external mount alternatives.
Browse 48V 20Ah hailong ebike batteries on Amazon to compare the full range of options. More reviews across form factors and capacities are in the ebike battery reviews section.
Frequently Asked Questions
How do I confirm I need the 5-pin version instead of 4-pin? Inspect your frame's battery slot or your existing hailong battery's base connector. Count the pins in the female connector (in the frame slot). If it's 5 pins, you need the 5-pin variant. If 4 pins, you need the 4-pin variant. They are not interchangeable.
What does the XT60 plug connect to? The XT60 is the discharge connector that connects the battery to your ebike controller. It's separate from the 5-pin base connector. If your controller uses a different connector than XT60, an adapter cable is the standard solution.
Is 960Wh enough for a 30-mile round trip commute? Yes. 960Wh provides roughly 30 to 50 miles of range depending on terrain and riding style. A flat 30-mile round trip on pedal assist is well within this range. Hillier routes or throttle-heavy riding reduce the usable range, but 960Wh still covers most 30-mile routes with buffer.
Does the 75A peak rating mean this works with a 1800W motor? The 30A continuous BMS rating is the primary spec for sustained motor loads. The 75A peak handles brief spikes on acceleration and startup without the BMS cutting out. For sustained 1800W operation, the 30A continuous rating is the limiting factor. Motors up to 1500W are more reliably within the continuous rating.
How long does a 48V 20Ah battery take to charge? On a 2A charger, a 20Ah pack takes about 10 hours from near-empty. On a 3A charger, that drops to about 7 hours. On a 5A charger (if included), charging takes around 4 hours. Verify the included charger amperage in the current listing.
Can I remove the hailong battery for indoor charging? Yes. One of the advantages of hailong-format batteries is that they're designed to be removed for charging. Unlock the battery with the key, slide it out of the frame slot, bring it inside for charging, and reinstall after. This is standard practice for hailong batteries and they're designed for daily removal if needed.