Li-ion VS Ni-CD
1. Li-ion battery is much more eco-friendly then Ni-CD battery, make no pollution to the environment.
2. The memory effect of Li-ion battery is much smaller then Ni-CD battery, almost no memory effect.
3. Li-ion battery's lifetime is longer then Ni-CD battery.

Replace for:
Milwaukee: 48-11-2001, M4, M-4, Akku M4 B 2, 4932 430098, 4002395377596

Compatible with:
Milwaukee: 2101-20 M4, 45242298150

Guarantee:
1. Thirty-days full refund and return
2. Lifetime friendly and warm heart service

Package:
1 x Rechargeable Battery

Announcements:
NOT for Milwaukee 48-11-0490 48110490, 0490-20, 0490-22.
1. Please don't store the batteries for a long time, it need to be used at least once a month.
2. If it's necessary, please using a cotton swab with alcohol to clean the battery contacts.
3. After long-time using in your power tools, please fully rest the batteries.
4. Before recharging the batteries, please make sure that the batteries have already coolled down.
5. For safe transportation, the batteries have not been full charged, after full charge and full discharge for three times, the batteries can reach the best condition.