Performance & Durability
Performance & Durability for this battery passport
Material flow aggregation
Individual battery
Interoperability (summary)
(Individual battery)
Rated capacity
20.0 Ah (versioned nominal 20.0 Ah)
Voltage (min · nominal · max)
42.0 V DC · 48.00 V DC · 54.6 V DC
Operational temperature range
8.0 °C · 32.0 °C idle
5.0 °C · 28.0 °C charging
5.0 °C · 28.0 °C charging
Measured capacity
19.1 Ah
Energy density
147.7 Wh/kg
Power density
115.2 W/kg
Expected lifetime
60 months / 5 mo (catalog)
Cycle life
1000.0 cycles
Degradation rate
0.12
Depth of discharge (cycle life)
80.00%
Test standard
IEC 62619 / UN 38.3 (light mobility)
Verification status
Verified
Data source
BNL demo telemetry & lab characterization
State of health
100.00%
State of charge
72.0%
Remaining capacity
94.5%
Remaining energy
0.91 kWh
State of certified energy
0.91 kWh
Capacity fade
5.5%
Throughput (capacity)
3850.0 Ah
Throughput (energy)
185.0 kWh
Number of full cycles
385
Rated energy
0.96 kWh
Expected number of cycles (design)
1000
Capacity threshold for exhaustion
70.0
C‑rate life cycle test
0.5
Commercial warranty period
24 months
Validity period
01/01/2024 — 31/12/2029
Minimum average duration
45.00
Remaining round‑trip efficiency
92.7%
Round‑trip efficiency @ 50% cycle life
92.5%
Applied charge rate
1.00
Applied discharge rate
2.00
Temperature range idle (design)
35.0 °C
Charging cycles
412
Discharging cycles
398
Rated maximum power
0.75 kW
Maximum permitted battery power
0.85 kW
Power capability ratio
0.85
Internal resistance (published version)
0.22 Ω
Ohmic resistance detail
0.22 Ω
Pack
pack 0.2200 Ω
Pack
pack 0.2200 Ω
Power fade
3.2%
Power @ 20.0% SoC (profile)
0.0 kW
Power @ 80.0% SoC (profile)
0.0 kW
Round‑trip efficiency (catalog)
94.5%
Round‑trip efficiency (published version)
93.2%
Round‑trip efficiency fade
1.8%
Idle temperature boundaries
-10.00 °C · 45.00 °C
Time extreme high temp (ambient)
12.5 h
Time extreme low temp (ambient)
4.0 h
Time extreme high temp (charging)
2.0 h
Time extreme low temp (charging)
0.5 h
Time spent charging at extreme temps
3
Time spent at extreme temps
18
Evolution of self‑discharge
0.4%
Current self‑discharging rate
0.08%/day
Initial self‑discharge (catalog)
0.3%
Thermal test conditions narrative
Cycle-life reference at 25 °C ambient, 0.5 C charge / 1 C discharge, 80% depth of discharge. Pack characterized on a 48 V LCO e-bike platform with 54.6V DC Charger and BMS protocol can.
Negative event summary
Brief deep discharge during winter storage (recovered)
Last update
11/06/2026 17:58
Deep discharge events
1
Overcharge events
0
Information on accidents
Pack left at 5% SoC for 6 weeks at 2 °C; BMS lockout cleared after controlled slow charge at service centre. No thermal event.
Cell resistance increase
0.0120 Ω
Pack resistance increase
0.0180 Ω
Evolution — content chemistry alterations
No chemistry alterations since initial LCO cathode formulation (2024).
