top of page

BAK 45D

  • Redesigned for slim-spaces without sacrificing performance and power

  • Featuring Molicel P45B, P50B, Ampace JP40, JP50, Reliance RS50, Samsung 40T, 45T

  • Pure copper busbars (lower resistance than nickel, better current delivery)

  • High-current BMS protection

  • Multi-layer encasement protection (impact + weather defense)

  • Optional upgrades: Smart Bluetooth Monitoring + 100-balance BMS and GPS tracking

52v 15ah Reliance RS50 Trimline eBike Batteries - Bicycle Motor Works.jpg
Typical Capacity (mAh)
Minimum Capacity (mAh)
Nominal Voltage (V)
Typical Energy (Wh)
Max Continuous Discharge (A)
Standard Charge (A)
Max Charge (A)
Charge Voltage (V)
Discharge Cutoff (V)
Internal Resistance (mOhm)
Diameter (mm)
Height (mm)
Mass (g)
Chemistry / Format
Energy Density (Wh/kg)
Volumetric Energy Density (Wh/L)
4,500
4,400
3.6
16.2
60
13.2
4.2
2.5
5
21.3
70.5
69
Hi-Ni lithium-ion cylindrical 21700
234.8
644.9
Typical Capacity (mAh)
Minimum Capacity (mAh)
Nominal Voltage (V)
Typical Energy (Wh)
Max Continuous Discharge (A)
Standard Charge (A)
Max Charge (A)
Charge Voltage (V)
Discharge Cutoff (V)
Internal Resistance (mOhm)
Diameter (mm)
Height (mm)
Mass (g)
Chemistry / Format
Energy Density (Wh/kg)
Volumetric Energy Density (Wh/L)
4,500
4,400
3.6
16.2
60
13.2
4.2
2.5
5
21.3
70.5
69
Hi-Ni lithium-ion cylindrical 21700
234.8
644.9
bottom of page