Projectpage LTO-camper accumulator (LTO-C)
Key Features:
- charging with 12V-DC and 230V-AC
- ultra high speed charging with 230V-AC (fully charged within 15min)
- high speed charging with 12V (30min to 1h) during driving
- high discharge current up to 1800W (10s 25°C)
- up to 10.000 charge-/discharge cycles
- -30°C to 50°C operational temperature range
- two additional USB connector for charging external devices (1A per device)
- fully integrated monitoring and balacing of the cells (BMS)
- thermal
- voltage
- short circuit protection
- latest lithium titanat oxid cell with no risk of thermal runaway
- optional: Bluetooth interface for battery status visualation (Android App)
- state of Charge % (SoC)
- battery status (charge, discharge, standby)
- voltage
- voltage per cell
- charge- / discharge current
- remaining capacitybattery temperature
- actual capacity
- optional: external 230V-AC connector to supply AC-devices
- optional: CANopen interface to readout battery life history
Functional block diagrams:
- SYS-REQ-0001-01
- the battery shall fit the rquirements of german legal norms for battery products
- SYS-REQ-0002-01
- the nominal voltage shall 12V
- SYS-REQ-0003-01
- the minimum power should 100Wh
- SYS-REQ-0004-01
- the battery shall fully integrated into a 12V board net without any adaption (power converter or battery loader)
- SYS-REQ-0005-01
- it should be possible to load the battery with external 230V AC and 12V
- SYS-REQ-0006-01
- All protections against short circuit, over-/undervoltage shall fully integrated inside the battery
- SYS-REQ-0007-01
- High speed low voltage (12V input) charge time should be lower than 1h
- SYS-REQ-0008-01
- High speed high voltage (230V AC input) charge time should be lower than 15min
- SYS-REQ-0009-01
- The maximum discharge should be 1800W
- SYS-REQ-0010-01
- up to 10,000 charge- / discharge cycles at 25°C should be possible
- SYS-REQ-0011-01
- Operation temperature range shall: -30°C to 50°C
- SYS-REQ-0012-01
- Two USB interfaces should implemented (Type-A) for charging of external USB devices (1A - rate)
- SYS-REQ-0013-01
- The battery shall have all necessary battery management (BMS) functions implemented
- SYS-REQ-0014-01
- As an option a monitor interface should be implemented and via Bluetooth accessable
- SYS-REQ-0015-01
- As an option a DC-AC converter with tbdW should be implented to supply AC devices
- SYS-REQ-0016-01
- As an option a CANopen interface should be implemented to access the battery status