IB388 Technical Specifications

Battery Chemistry	Lithium Polymer High-Voltage (LiHv)
Battery Configuration	6 Series, 1 Parallel, Internal BMS
Nominal Energy	387.6 Watt-Hours
Factory Capacity	17,000 mAh
Nominal Voltage	22.8 Volts
Max (100% Capacity) Voltage	26.1 Volts
Normal Min Voltage (1% Capacity)	21.6 Volts
Minimum Safe Voltage	19.8 Volts
Max Continuous Discharge	40 Amps
Max Burst Discharge	55 Amps
Max Charge Current	17 Amps (1C)
Cut-Off Charge Current	18 Amps
Max Charge Voltage (Charger Limited)	26.1 Volts (4.35v/Cell)
Over Charge Cuttoff Voltage (BMS Regulated)	4.38v/Cell
Cell Balancing	Controlled by BMS (<0.01v)
BMS Self Discharge	To 3.8v/Cell after 48 Hours
Weight	2.08 kg
Dimensions	74 x 89 x 228 mm
Ambient Operating Temperature	-10 to 45°C
Max Internal Temperature	70°C
Storage Temperature	10°C to 30°C
Life Expectancy	150-300 Cycles
Long Term Storage	Cycle once every 3 months
Additional Battery Data	Available over NFC
Aircraft Communication	DroneCAN*

*Additional information on the droneCAN specification can be found here