Hcl-ec 7. 4v-5200mah-100c pack. Our new high hcl-ec ( high cycle life economy) 5200mah-100c packs are intended for those who want a high quality pack with good performance at a good price. These packs are made with 100% lco for maximum cycle life and a good performance. Packs at a similar our lower price typically use a blend of lco , licomnnio2 or nmc. This lowers the cost of the packs but also decreases the performance. True mah +/- 5%: 5200mah voltage: 7. 4v c rate: 100c size: 26mm x 47mm x 139mm hardcase weight: 266gr wire size: 12awg charge rate: 1c to 5c please note that a higher charge rate will put less mah into the pack and will reduce cycle life (smc-52100-2s1p-t)