While you would assume that it is ok to transport these non-spill able batteries with you on the flight you have to realize that the screener has the authority to determine whether or not the item will travel even if you cannot find it on a list.
"The prohibited and permitted items list is not intended to be all-inclusive and is updated as necessary. To ensure everyone's security the screener may determine that an item not on this chart is prohibited"
It also appears that if the non-spill able batteries meets these requirements then it would be ok'ed to travel on the aircraft, even though they are expecting that the battery be paired with an electric wheelchair.
Quote:
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Originally Posted by 49 CFR 173.159(d)
A nonspillable wet electric storage battery is excepted from all other requirements of this subchapter under the following conditions:
(1) The battery must be protected against short circuits and securely packaged;
(2) For batteries manufactured after September 30, 1995, the battery and the outer packaging must be plainly and durably marked “ NONSPILLABLE” or “ NONSPILLABLE BATTERY” ; and
(3) The battery must be capable of withstanding the following two tests, without leakage of battery fluid from the battery:
(i) Vibration test. The battery must be rigidly clamped to the platform of a vibration machine, and a simple harmonic motion having an amplitude of 0.8 mm (0.03 inches), with a 1.6 mm (0.063 inches) maximum total excursion must be applied. The frequency must be varied at the rate of 1 Hz/min between the limits of 10 Hz to 55 Hz. The entire range of frequencies and return must be traversed in 95 ±5 minutes for each mounting position (direction of vibrator) of the battery. The battery must be tested in three mutually perpendicular positions (to include testing with fill openings and vents, if any, in an inverted position) for equal time periods.
(ii) Pressure differential test. Following the vibration test, the battery must be stored for six hours at 24 °C ±4 °C (75 °F ±7 °F) while subjected to a pressure differential of at least 88 kPa (13 psig). The battery must be tested in three mutually perpendicular positions (to include testing with fill openings and vents, if any, in an inverted position) for at least six hours in each position.
(4) At a temperature of 55 °C (131 °F), the battery must not contain any unabsorbed free-flowing liquid, and must be designed so that electrolyte will not flow from a ruptured or cracked case.
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I think it's safe to assume that it would be easier to either pack the batteries with your tools or just have them shipped down to you're hotel. Taking them on the plane could lead to a lot of hassle that you don't want to mess with, and it could cause you to eventually miss your flight.