NEC
Laptop Battery for NEC Versa 4000 Part: 804-021204-001A
Li-Ion Battery NEC Versa 4000 and 4200 series, 804-021204-001A or 158-056789-000 10.8 Volts 2500mAh Refurbished, 90 Day Warranty!
Laptop Battery for NEC Versa 4200 Part: L18650-8
Li-Ion Battery NEC Versa 4000 and 4200 series, L18650-8 or 158-056789-000 10.8 Volts 2500mAh Refurbished, 90 Day Warranty!