TM 9-6140-200-14
2. The vehicles may be stored successfully if:
a. The battery was activated within 24 months of manufacture.
b. If battery was properly activated and installed (see paragraph 5-1).
c. The battery is less than 5 years old. (The first date of operation must be
crossed out on the decal provided on the battery)
d. It is checked at 6 month intervals with the aid of the lead-acid battery tester
e. Recharge the batteries every three (3) months by allowing the engine to run
between 1000 and 1200 RPMs for at least 20 minutes. (see local SOP and
TM).
NOTE
Recharging the batteries by running the engine is the
simplest solution. The best solution is to recharge by using a
suitable battery charger.
5-6 Charging Sealed Lead-Acid Batteries.
5-6.1 General.
a. The purpose of a battery is to store electrical energy and have it
available when needed.
b. All rechargeable batteries used by the U.S. Armed Forces are basically
charged according to two different techniques:
(1) Constant current charging (l-characteristic).
(2) Constant voltage charging (U-characteristic),
5-6
