FOR 10pcs Rechargeable 3.7V 850mAh Li-ion Battery Pack Kit for SP

Ten-piece kit of rechargeable Li-ion battery packs for SP devices. Each pack is 3.7V with an 850mAh capacity, supplied as a tool/power pack kit. Ideal as replacement or spare power packs, this set includes 10 identical 3.7V 850mAh Li-ion units designed for use with SP.