Replacement Lithium-ion, rechargeable Mega Drive battery packs are available separately. This battery is designed for use with Lezyne Mega Drive. All Lezyne batteries are quality tested for capacity and performance before leaving Lezyne's factory. To get the best performance out of Lezyne LED lights, we recommend only using Lezyne batteries. 5200mah, 17.7Wh, 100 grams.
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