Joined in 2023 
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63 About this deal
We used to have the smaller Hailong-01 enclosure in 36V 16.5Ah (10s 5p) layouts suitable for 20-25A current setups, and the larger Hailong-03 enclosure in a 52V 16.5Ah (14s 5p) size for higher current and capacity, but we have nowswitched to only Reention Poly-DP casings for a standardized cradle, stronger casing, and more reliable connectors. For extra large capacity (>1 KWhr), we have the Reention DP-9C casings in 36V 26.5Ah and 52V 20Ah formats.We also have downtube enclosures for the larger 21700 cell format and have these available in 36V 14.5Ah, 36V 19.5Ah, 52V 14.5Ahand 72V 9.5Ah options with Panasonics NCR21700Acells (same as used on Telsa 3), and also in a 72V 7.5Ah format using the very high power capable Samsung 40T cells. Correct disposal of damaged, used and redundant battery ---- Do not touch heavily damaged batteries with your bare hands, since electrolyte may leak and cause skin irritation. Damaged batteries are best stored in a safe place outdoors with the connection port taped over. Low temperature use ---- During winter use (particularly below 0°C) we recommend charging and storing the battery at room temperature before inserting the battery in the eBike immediately before riding it. For longer journeys in the cold, it is advisable to use thermal protective covers. https://myelectricbikemotor com/52v-48v-15ah-750w-1000w-hailong-lithium-ion-ebike-battery-electric-bike-battery/
On/Off Button: Enhance your battery’s efficiency with the on/off button, which allows you to save power when it’s not needed, extending your ride even further. Amp hour is the rating used to tell consumers how much amperage a battery can provide for exactly one hour. in theory a 10Ah battery can provide 1 amp of power for ten hours or 10amps for 1 hour
So... Sadly I am pretty sure I know why you aren't getting the range you were promised. You got taken from the sound of it. Sorry for the bad news :-(
Introducing our 48V 13Ah Hailong Down tube Lithium-ion bicycle battery – the perfect companion for your 500w – 2000w electric bike. With a sleek and lightweight design, this battery is easy to carry and fits perfectly on your bike’s down tube. Do not place the battery near flammable materials. Ensure the battery is completely dry and placed on a fireproof surface before charging. There is a risk of fire due to the heat generated during charging. Don't charge, use and store battery near a heat source such as fire and heater! If the battery leaks or releases strange odor, pls remove it from place near fire place immediately. Fully charge the battery before first-time using. If the battery leaks and electrolyte leakage enters into the eyes, do not rub, rinse with water immediately and seek immediate medical assistance. If not in time, eyes will be hurt!Do not open the battery. There is a risk of shortcircuiting. Opening the battery voids any and all warranty claims. I work for an Electric car manufacturer, and have access to some testing equipment and a lot of smart people that know about how all of this works, I have done some real world research as to fine tune my e-bikes for the best range and speed I can get. EM3ev wins for me. My shop has them build the batteries, they have D-Powercore Bluetooth Battry Management Systems. Super easy full battery review/data on a smart phone. Making supporting their batteries easypeasy.
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