24v 40ah lithium ion battery pack Features of 24v 40ah lithium ion battery pack : 1)High energy density, 150wh/kg, 270wh/L 2)Light weight, about 1/3 the weight of lead-acid batteries 3)Environment-frendly, green battery: do not contain any heavy metal, rare metal, non-toxic, no pollution, accord with European ROHS standard, it is a green battery. 4)superior in safety: non-explosive in short circuit, over charged, outside damage etc. 5)No memory effect: can charge and discharge in any condition, no need to completely discharged or charged, do not effect it's quality. 6)Long cycle life: 2000 times cycles life (1C, �80% capacity) which is 7 times of lead acid battery 7)low self discharge : �3% of norminal capacity /month. Specification: 24V Rechargeable Battery Pack Norminal voltage: 24V Norminal capacity: 40ah Capacity difference: �50mah End voltage of charge: 29.2V End voltage of discharge:20V Max. Charge current: 2C Max. Discharge current: 3C (120A )continuous, 5C (200A) peak Self discharge rate: �3% per month Charge Temperature: 0°C~45°C Discharge Temperature: -20°C~60°C