Trenchless sewer repair technology has created an alternative to sewer drain replacement commonly referred to as Cured-In-Place Pipe (CIPP).
The more discharged that a battery is, then the longer it will take to recharge it. Usually it takes several hours to effectively recharge a battery. If a battery is very discharged then it can take up to 12 hours or more to recharge it. While recharging a battery, if the battery becomes hot when you touch it then stop charging it. Slow charge: It is best to slow charge the battery. Slow charging rates vary depending on the battery's type and capacity.
The idea is to buy the reasonably priced rechargeable and not shock charge them to death at 2000mA using 15 min battery chargers. Be patient, use a La Crosse charger to charge them at 200mA and refresh them a few times a year and your batteries will literally last you forever.