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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 1^st OVP at 4.30-VDC	M37516 and 492A set by firmware 1^st OVP at 4.30-VDC
Temperature Control	1^st 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.) 2^nd Protection: Unrecoverable Protection Safety Temp Chg = 80º C (Max Charging Temperature) Safety Temp Dsg = 80º C (Min Discharging Temperature) 3^rd 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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