🔋Battery size is only 12in*7.5in*3.6in and the weight is 12.6lb. Battery connector is 3-prong XLR connector.Lithium ion battery with small volume, light weight. Suitable for various E Bike , most mountain bikes and road bikes, with XT60 connector & 58.8V 4A Fast Charger. Fit for 250W 350W 500W 1000W 1200W Motor.(Product includes waterproof bags and batteries)

🔋【Lithium Ion Battery】The lifespan of Lithium-ion batteries is 8 to 10 times longer than that of regular lead-acid batteries (2000~3000 cycles vs. 300-500 cycles). The usable capacity is also doubled compared to that of a lead-acid battery, while the weight is 30% less thanks to its significantly higher energy density.Without any memory effect, the lithium battery can hold a charge better when not in use and will not lose capacity due to the previous discharge state.

🔋Made by sturdy fabric. It is waterproof, and the unique waterproof glue zippers in double sides will keep your belongings dry. However, it is not recommended to use it in heavy rain for a long time. This bag includes adjustable mounting systems to allow fitment to almost any bike, 3 adjustable wide shoulder straps can be installed stably and safely, you can place your water bottle.

🔋Please remember turn off the power when the battery is fully charged (when the charger light turns green), otherwise the battery life will be shortened. The fully charged voltage of the battery is 58.8V (which can be measured with a multimeter). 3. Before charging, please plug in the battery with the charger and then connect the power supply.

🔋The built-in BMS (Battery Management System) protects the battery from overcharge, over-discharge, over-current, and short circuits with excellent self-discharge rate. Plus, Li-Ion batteries can be safer than lead Acid batteries, which have no protection against ground faults.This product is your ideal choice for both outdoor and indoor applications.