This item Ni-CD battery stick, the chemistry is Ni-CD. Note: This battery is not for use with the SL20X or SL20XP, SL20, SL20X, SL20S, Polystinger, Stinger DS, Stinger HPL. No longer to worry about the endurance of the batteries, OXWINOU high capacity battery will provide ultra strong power for your devices to performance well and operate longer.
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