This rechargeable battery is used for 35 amp high drain devices. It gives long-lasting power as it has a capacity of 3000mah. You'll save time because you won't have to use traditional batteries. It is easy to recharge, and because it has a no memory effect, you can recharge it for many cycles. Each battery is extremely lightweight at only 46 grams each. It is made out of lithium ion, which is the industry standard for rechargeable batteries.