Call us: 651-448-0064
email: sales@polytechinnovations.com
35283 340th Street, Lake City, MN 55041
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Bluff  Valley Battery - Individual Battery Cells
High Rate Sub C NiCd Cells that are used in all my power tool pack rebuild kits.  They are quality 1.2 Volt Ni-Cd cells that have a capacity of 2200 mAh.  Come with cardboard sleeve and are 41.6 mm long, flat top.    Click here to order.
NiCd Cells - High Rate
NiMh Cells - High Rate
High Rate Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 2600 mAh.  Come with paper sleeve and are 41 mm long, flat top.    Click here to order.
High Rate Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 3000 mAh.  Come with paper sleeve and are 41 mm long, flat top.    Click here to order.
High Rate Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 3400 mAh.  Come with paper sleeve and are 41 mm long, flat top.    Click here to order.
High Rate Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 3800 mAh.  Come with plastic sleeve and are 43 mm long, flat top.    Click here to order.
High Rate 4/5 Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 2100 mAh.  Come with paper sleeve and are 33 mm long, flat top.    Click here to order.
High Rate Sub C NiMh Cells that are used in all my power tool pack rebuild kit upgrades.  They are quality 1.2 Volt NiMh cells that have a capacity of 4200 mAh.  Come with plastic sleeve and are 41 mm long, flat top.    Click here to order.
Lithium Ion Cells
Samsung IMR technology - they have a high capacity in our tests showing about 2450mAh under a 20A load and are rated by Samsung to be used where high power is required, such as power tools, electric bicycles, sub-ohm mods, etc. They have an excellent safety record and perform well in hot and cold conditions. Performance of these cells is comparable to Sony VTC4/5 or LG 18650HE's.  Click here to order.