Spare AP4 rechargeable battery v2
Battery: internal rechargeable, 20 hour duration
Charger: separate unit, 12 to 15V DC, 0.5A, 110, 220 or 240V AC mains input (please state when ordering)
Recharge time: 14 hours
The PSB2 battery is not compatible with AP4 Porometers supplied before July 2004, unless a chassis modification
has been made. This affects chassis serial numbers lower than AP46901. If you require a replacement battery or an
additional spare battery for one of these Porometers, please contact Delta-T for information.