Max Constant Discharge Current:30A. Charging method: CC / CV. Standard charging current (A): 2A. Standard charging current charging time :4h.Maximum continuous current charging (A): 5A. Quick current charging time :5hours. Loading: 0 ° C to 45 ° C. Discharge: -20 ° C 60 ° C. Storage: 0 ° C 30 ° Csecurity. The charger will match the standard plug according to the address country. 1 The assembly cells for this 20Ah lithium battery is Lithium ion, it is the best choice for High power electric bike. 2 Only a quarter of the weight of lead-acid batteries. 3 Life expectancy is two times that of lead-acid batteries. 4 No memory effect and rechargeable. 5 Safer and more environmentally friendly, No heavy metals and hazardous substances. 6 Built-in IC chip will prevent battery pack over charge, over discharge, over-current, over-heat, short circuit and prolongs battery life. The item "48V 20ah e-bike Lithium ion Battery with Charger, for 1000w Electric Bike + XT60" is in sale since Sunday, May 17, 2020. This item is in the category "Consumer Electronics\Multipurpose Batteries & Power\Rechargeable Batteries". The seller is "kamping_official_store" and is located in . This item can be shipped worldwide.