The Lithium Hellas 52V 20Ah pack crams 1040Wh into a case small enough to ship from US stock in days. Early reviewers give it 4.6 stars and describe plug-and-play installation on 52V systems. The catch with any new battery brand is cycle-life evidence, and that takes months to accumulate.
Specs and Value
Capacity is the amount of usable energy stored inside a lithium cell pack. The Lithium Hellas 52V 20Ah battery contains 1040 Wh. Most commuter ebikers will easily go 2 to 3 days on a charge at moderate assistance. For example, if you ride 30 miles each day, 1040 Wh will allow you to do that for approximately 34 days at 33 Wh/mile. However, this assumes you're getting no help from wind resistance or hills. As mentioned above, more Wh equals more time on the road. If you were to choose a pack with less capacity, you'll find yourself needing to recharge more often. Recharging is one of those things that can add unnecessary hassle to your daily routine. Choosing a 1040 Wh pack will provide a cushion that will enable you to travel farther and worry less about the cell dying at any point during your commute. More importantly, this additional energy means you'll be able to tackle those unanticipated detours or steep hills that may cause smaller packs to quickly lose charge.
The pack includes a 30A BMS (Battery Management System). The 30A BMS functions as the brains of the pack. The 30A BMS limits the maximum output to 30 amps. The maximum output is limited to protect the internal components from overheating during intense climbs or sprints. This limitation also enables the pack to live a longer life. This trade-off in performance is made by cyclists who plan on having their pack survive for multiple seasons. It protects the internal components from damage due to excessive heat generated by the internal components during heavy climbing or sprinting.
Size and Mounting
Size is equally important as electrical specifications. Many ebike manufacturers struggle with installing large batteries on their bikes without making it look awkward. A compact battery design will provide space for mounting within standard down-tube brackets or even rear rack mounts. A properly installed battery will keep the center-of-gravity low and centered, providing better handling characteristics. An ill-fitting battery can make a bike feel tippy and unstable during turns. The compact size of this pack provides a high-energy-to-size ratio.
Ships from the USA
Shipping a large battery internationally can be a nightmare. Long customs delays and/or damaged packages upon arrival are common issues associated with international shipping of batteries. Since this pack ships locally, you receive it sooner and have support in your own time zone. Shipping locally eliminates the stress of waiting weeks for a package to arrive after being stuck in some remote location in a shipping container. Additionally, you can obtain support immediately if there is an issue instead of trying to communicate with someone in another country.
Range and Performance
Since the pack operates at 52V, it offers motors more headroom than 48V packs. I.e., they deliver equal amounts of power but at a lower amperage, therefore generating less heat in the wiring, and offer quicker throttle response on inclines. Due to its 20 Ah capacity, the pack maintains a stable voltage level for a longer period. Avoids slow-down mid-ride caused by shallow state-of-discharge smaller packs exhibit past half charge. Maintaining a consistent voltage level keeps the motor strong from beginning to end.
As stated previously, the actual range achieved will depend on how you ride. However, assuming an average consumption of 15 Wh/mile, we see that 1040 Wh = >67 miles (flat surface), with hilliness and aggressive throttle usage reducing that figure. If you utilize pedal-assist effectively, you could likely achieve substantial mileage on a single charge. Aggressive throttle usage reduces mileage faster regardless of your method of propulsion.
By utilizing the excess energy contained within this pack, you can eliminate the constant worry of how much battery percentage is left while commuting.
Charging and Care
Charging occurs via a specific 52V charger. Using a 2 Amp charger provided by Lithium Hellas will require approximately 7-9 hours to fully charge the pack from completely dead. Charging time can be reduced by acquiring either a compatible 58.8V 3A or 4A charger separately.
When storing a lithium ion battery between uses (i.e., you've finished your ride and don't intend to ride again until tomorrow), it's recommended to keep the pack between approximately 30% and 80% charge. This prevents rapid degradation of the cells due to prolonged exposure to extreme voltages.
What Amazon Reviewers Are Saying
Based on a very small number of initial reviews, the reviewer's average score was 4.6 out of five stars. Several early adopters reported ranges meeting or exceeding expected values based on their riding habits and experiences integrating their new battery into their existing 52V systems.
One user noted that proper care involves keeping the pack in a middle-voltage range when storing it for extended periods of time (e.g., 50-60%). Storing at full charge for long durations will accelerate cell degradation and reduce overall battery lifespan. Frequent cycling of your lithium battery pack greatly minimizes this risk since your cells are consistently being subjected to varying states-of-charge throughout the course of regular riding.
Who Should Buy This
Good fit
Riders replacing an aged 52V pack who already run a 52V controller, and anyone who wants US-stocked inventory with a 1040Wh tank. Buyers who value fast shipping over brand history.
Poor fit
Riders who need a proven multi-year cycle-life record before spending. This brand is too new for that evidence. If warranty confidence matters more than price, an established name costs more for a reason.
Buy this if:
You're looking for a high-capacity (but compact) replacement battery for your standard ebike build.. You need reliable commuting range without carrying large weights.. You prefer local shipping (vs. international) and fast delivery times for parts and accessories..
Do NOT buy this if: Skip it if you build high-current moped-style bicycles, since the 30A limit may not meet your requirements. Skip it if your bike is set up for 48V, since both the controller and charger need replacing before this pack works.
Compare it against the rest in our ebike battery comparison table, or dig through the GoMotorbikes blog.
Check the latest price on Amazon.
Frequently Asked Questions
What motors is the the unit compatible with?
The 30A BMS supports motors from 100W up to 1500W continuously. It works well with Bafang mid-drives, hub motor kits, and most aftermarket 52V controllers. Make sure your controller is rated for 52V before connecting.
How long does the the lithium take to charge?
With the included 2A charger, expect 8 to 10 hours from empty to full. You can speed this up by purchasing a compatible 58.8V 3A or 4A charger separately.
What is the range on a single charge?
Lithium Hellas advertises 35 to 50 miles per charge. Real-world range depends on motor power, terrain, rider weight, and how much throttle you use versus pedal assist. Budget riders using moderate PAS levels will land on the higher end of that estimate. Riders running full throttle on a 1000W motor in hilly terrain should expect closer to 20 to 25 miles, which is still solid for a 1040Wh pack.
Does this battery work with the T-Plug connector?
Yes, it ships with a T-Plug (Deans) discharge connector. If your bike uses a different connector type like XT60 or Anderson, you will need an adapter or a simple soldering swap. T-Plug adapters to XT60 are widely available on Amazon for a few dollars and take about 30 seconds to plug in.
Should I store the battery fully charged or partially charged?
For long-term storage, keep the battery at around 50 to 60 percent charge in a cool, dry place. Storing a lithium battery at full charge for extended periods accelerates cell degradation. If you ride regularly, this is less of a concern since the pack gets cycled frequently.
How many charge cycles does it last?
The battery is rated for 1500 cycles before dropping below 80% capacity. With daily use, that translates to roughly 4 years of reliable service before you notice significant capacity loss.