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Battery Comparison

How do we compare to the original battery?


Sample Model: Sony PCGA-BP2
Nexen Enhancements:
  • Up to 24% higher capacity for extended use
  • Third protection feature for additional temperature control
  • 15% additional tab width for current resistance
  • 10% additional tab thickness for current resistance
  • Extra insulation and isolation materials to prevent short circuits
*Enhancements may vary by model.
Battery Feature Nexen Technology Standards Original Battery Standard
Capacity Up to 5200mAh 4000mAh
Cut-Off Voltage BQ20Z70 and BQ29330 set by firmware
1st OVP at 4.30-VDC
M37516 and 492A set by firmware
1st OVP at 4.30-VDC
Temperature Control 1st Protection: Recoverable Protection
  • Chg Suspend Temp Hi = 60º C (Max Charging Temp.)
  • Chg Suspend Temp Hi Rst = 55º C (Overheat Charging Protection Release Point)
  • Over Temp Dsg = 75º C (Max Discharging Temp.)
  • Over Temp Dsg = 65º C (Overheat Discharging Protection Release Point)
  • Chg Suspend Temp Lo = 0º C (Min. Charging Temp.)
2nd Protection: Unrecoverable Protection
  • Safety Temp Chg = 80º C (Max Charging Temperature)
  • Safety Temp Dsg = 80º C (Min Discharging Temperature)
3rd Protection: Unrecoverable Protection
  • 139º C Thermal Fuse
1st Protection: Recoverable Protection
  • Chg Suspend Temp Hi = 60º C (Max Charging Temp.)
  • Chg Suspend Temp Hi Rst = 55º C (Overheat Charging Protection Release Point)
  • Over Temp Dsg = 75º C (Max Discharging Temp.)
  • Over Temp Dsg = 65º C (Overheat Discharging Protection Release Point)
  • Chg Suspend Temp Lo = 0º C (Min. Charging Temp.)
2nd Protection: Unrecoverable Protection
  • Safety Temp Chg = 80º C (Max Charging Temperature)
  • Safety Temp Dsg = 80º C (Min Discharging Temperature)
3rd Protection Not Included
Pre-Charge Mode Pre-Charge Voltage = 3000mV Pre-Charge Voltage = 3000mV
Wire Routing & Insulation
  • Cell Sensor Wire is routed between cells
  • Cells are insulated with special insulating paper
  • Thermistor placed in the core cell pack
  • Backside of PC is insulated with insulation paper
  • PCB solder points to wires are properly insulated with sealant
Standard Wire Routing & Insulation

How do we compare to typical aftermarket batteries?


Battery Component Nexen Technology Standards Common Aftermarket Manufacturer Standards
Plastic Case Poly Carbonate (PC): Acrylonitrile butadiene styrene (ABS) = 7:3
Strict modling control processes to prevent cracks and defects
Case withstands drops of 120cm
Low-grade regrind material often
resulting in brittle quality and
poor aesthetics
Li-ion Cell 100% Grade "A" cells (Sanyo, Samsung, Moli, Panasonic) for premium capacity and reliability. 80% of aftermarket factories use low grade or recycled cells.
Protection IC Seiko S2854 for 3 or 4 series Li-ion cells.
Mitsumi MM1414 for 3 or 4 series Li-Ion cells.
IC's from recycled battery packs are commonly used.
MOS-FET Vishay SI4435, SI4407 IC's from recycled battery packs are commonly used.
Power Management IC TI BQ Series: BQ2040, BQ2050, BQ2060, BQ2083, BQ2084, BQ2085, BQ20Z90
PowerSmart: PS501
IC's from recycled battery packs are commonly used.
EEPROM Microchip 24LC02 Various Standards
Thermal Fuse 139ºC Thermal Fuse Standard or no Thermal Fuse is common
PCM Each PCM is specifically designed in house by our senior engineers. Outsourced with minimal input on quality control.
Isolation Materials Strong, durable, 100% insulated Mylar tape to secure batteries and wires. Heat-resistant to avoid potential short circuits caused by high temperatures during welding & assembly.
Hard to puncture insulation tape used on metal surfaces, nickel plates and PCM.
Non-electrical, household-type tape to secure cells and wires; offering poor insulation characteristics and low adhesiveness.

Cost reducing methods result in a greater chance for short-circuits, overheating, and leakage.


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