5.43 kWh Banqo E-Series Battery Features: High Life Cycle 4000 Cycles (25 C , 80% DOD) for effectively lower total ownership cost. Longer service life Low-maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage, Up to 6 months thanks to its extremely low self-discharge rate and no risk of sulphation. Quickly recharge High Quality 1C (100A) continuous, Save time and increase productivity with less downtime thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60 C. This Lithium battery is made up of high quality steel, built to last.