GBP has its own independent testing facility. Here’s an overview of specific tests and capabilities:

Cell & Pack Performance Testing

• Cell qualification for all current battery technologies, including lithium-ion, lithium-ion polymer, lithium-iron phosphate, nickel-metal hydride, nickel-cadmium.
• Cell cycle life
• DC and AC impedance measurements
• Cell storage performance at extreme temperature ranges
• Pack design verification tests
• Pack qualification tests
• Accelerated pack life tests
• Cell performance diagnosis
• X-ray examination
• Customer-specified performance tests

Safety Testing

• UL1642, UL2054 tests (UL Certified lab), Japanese JIS C 8714 (PSE)
• IEEE 1625, 1725 tests
• Transportation test (UN38.3[DoT])
• Overcharge
• Over-discharge
• Short circuit
• Hot box
• Crush
• Nail penetration
• Impact
• Customer-specified safety testing

Environmental Testing

• Thermal shock
• Humidity
• Thermal shock with humidity
• Mechanical shock
• Drop testing
• Vibration
• MIL-STD-810F
• Altitude simulation
• Cell swelling test
• RFI immunity and emissions
• ESD testing
• Salt mist
• Dust
• Customer-specified environmental testing

We’re also experts at the new Class 9 shipping regulations for lithium-ion cells and batteries. We can apply for UL/CE and other certificates for all the customized battery packs as per customers’ request.