SGS/ISO9001 Lead-Acid Battery; 6V battery, Capacity3.5Ah; Environmental friendly, leakage-proof; Lead-Acid Battery (2V 4.0AH);2V battery, Capacity 4.0Ah;Stable voltage, good ... and leakage-proof;Environmental friendly;OEM for the VRLA battery is available. Model Number: JPP3.5-6 Nominal ... 2.76*1.85*3.98in Applications:Our battery is suitable for all electronic devices. Lead-Acid Battery (6V 3.5AH)