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A battery comprises a substrate comprising a first surface comprising a first battery cell having a first non-contact surface, a pliable dielectric abutting the first non-contact surface, the pliable dielectric comprising a peripheral edge, and a first cap about the pliable dielectric.

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1. A battery comprising: (a) a substrate comprising a first surface comprising a first battery cell having a first non-contact surface;(b) a pliable dielectric abutting the first non-contact surface; and(c) a first cap about the pliable dielectric. 2. A battery according to claim 1 wherein the subst

1. A battery comprising: (a) a substrate comprising a first surface comprising a first battery cell having a first non-contact surface;(b) a pliable dielectric abutting the first non-contact surface; and(c) a first cap about the pliable dielectric. 2. A battery according to claim 1 wherein the substrate comprises a second surface having a second battery cell with a second non-contact surface, the pliable dielectric abuts the first and second non-contact surfaces, and a second cap is about the pliable dielectric. 3. A battery according to claim 2 wherein the first and second caps each comprise a metal foil, metalized plastic film or metal casing. 4. A battery according to claim 2 wherein the first and second caps each comprise mica, quartz, ceramic casing or glass. 5. A battery according to claim 2 wherein the first and second battery cells each comprise an electrolyte between a pair of conductors, at least one of the conductors comprising the first or second non-contact surfaces, and further comprising a pair of electrical connectors that extend though the pliable dielectric, each electrical connector being connected to at least one conductor of the first or second battery cells. 6. A battery according to claim 1 comprising a plurality of side faces that are not enclosed by the first cap, and wherein the ratio of the area of any one of the first or second non-contact surfaces to the total area of the side faces is at least about 10:1. 7. A battery according to claim 6 wherein the ratio of the area of any one of the first or second non-contact surfaces to the total area of the side faces is from about 20:1 to about 50:1. 8. A battery according to claim 1 wherein the pliable dielectric comprises a thickness of from about 1 μm to about 20 μm. 9. A battery according to claim 8 wherein the pliable dielectric comprises a moisture permeability of less than about 10 g·mil/(100 in2·day). 10. A battery according to claim 1 wherein the pliable dielectric comprises Apiezon®, paraffin, wax, mineral oil or mixtures thereof. 11. A battery comprising: (a) a substrate comprising a first surface comprising a first battery cell having a first non-contact surface, and a second surface having a second battery cell with a second non-contact surface,(b) a pliable dielectric abutting the first and second non-contact surfaces; and(c) first and second caps about the pliable dielectric. 12. A battery according to claim 11 wherein the first and second caps each comprise a metal foil, metalized plastic film or metal casing. 13. A battery according to claim 11 wherein the first and second caps each comprise a sheet of mica, quartz, ceramic casing or glass casing. 14. A battery according to claim 11 wherein the first and second battery cells each comprise an electrolyte between a pair of conductors, at least one of the conductors comprising the first or second non-contact surfaces, and further comprising a pair of electrical connectors that extend though the pliable dielectric, each electrical connector being connected to at least one conductor of the first or second battery cells. 15. A battery according to claim 11 comprising a plurality of side faces that are not enclosed by the first and second caps, and wherein the ratio of the area of any one of the first or second non-contact surfaces to the total area of the side faces is at least about 10:1. 16. A battery according to claim 11 wherein the pliable dielectric comprises a thickness of from about 1 μm to about 20 μm, and a moisture permeability of less than about 10 g·mil/(100 in2·day). 17. A battery according to claim 11 wherein the pliable dielectric comprises Apiezon®, paraffin, wax, mineral oil or mixtures thereof. 18. A battery comprising: (a) a first substrate comprising opposing surfaces, at least one of the opposing surfaces comprising a battery cell having a non-contact surface abutting a first pliable dielectric, and a pair of first caps about the first pliable dielectric;(b) a second substrate comprising opposing surfaces, at least one of the opposing surfaces comprising a battery cell having a non-contact surface abutting a second pliable dielectric, and a pair of second caps about the second pliable dielectric;(c) a seal extending around the side faces of a gap between a first cap and a second cap. 19. A battery according to claim 18 wherein the pairs of first and second caps each comprise a metal foil, metalized plastic film or metal casing. 20. A battery according to claim 18 wherein the pairs of first or second caps each comprise a sheet of mica, quartz, ceramic casing or glass casing. 21. A battery according to claim 18 wherein the seal comprises at least one of: (1) a moisture permeability of less than about 1.75 g·mil/(100 in2·day); and(2) epoxy, polymerized ethylene acid copolymer, Apiezon®, paraffin, wax, Surlyn™ or mixtures thereof. 22. A battery according to claim 18 wherein the first and second pliable dielectrics each have a thickness of from about 1 μm to about 20 μm, and a moisture permeability of less than about 10 g·mil/(100 in2·day). 23. A battery according to claim 18 wherein the first and second pliable dielectrics each comprise Apiezon®, paraffin, wax, mineral oil or mixtures thereof. 24. A battery comprising: (a) a first substrate comprising opposing surfaces having a first hole therethrough, the first hole having an edge;(b) at least one first battery cell on an opposing surface of the first substrate, the first battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a first terminal contacting the edge of the first hole;(c) a second substrate comprising opposing surfaces, at least one of the opposing surfaces comprising a second battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a second terminal; and(d) an electrical conductor extending through the first hole to contact a second terminal, thereby electrically connecting a first terminal to a second terminal. 25. A battery according to claim 24 comprising a seal extending around the side faces of a gap between the first substrate and the second substrate. 26. A battery according to claim 25 wherein the seal comprises at least one of: (1) a moisture permeability of less than about 1.75 g·mil/(100 in2·day);(2) a thickness of from about 1 μm to about 20 μm; and(3) epoxy, polymerized ethylene acid copolymer, Apiezon®, paraffin, wax, Surlyn™ or mixtures thereof. 27. A battery comprising: (a) a first substrate comprising opposing first and second surfaces and having a first hole extending from the first surface to the second surface, the first hole having an edge;(b) a first battery cell on the first surface of the first substrate, the first battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a first terminal contacting an edge of the first hole;(c) a second battery cell on the second surface of the first substrate, the second battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a second terminal contacting an edge of the first hole; and(d) a first electrical conductor extending through the first hole to electrically connect the first terminal to the second terminal. 28. A battery according to claim 27 further comprising: (e) a second substrate comprising opposing third and fourth surfaces and having a second hole extending from the third surface to the fourth surface, the second hole having an edge;(f) a third battery cell on the third surface of the second substrate, the third battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a third terminal contacting an edge of the second hole;(g) a fourth battery cell on the fourth surface of the second substrate, the fourth battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a fourth terminal contacting an edge of the second hole; and(h) a second electrical conductor extending through the second hole to electrically connect the third terminal to the fourth terminal. 29. A battery according to claim 27 comprising at least one of: (1) a first pliable dielectric abutting a conductor of the first battery cell; and(2) a second pliable dielectric abutting a conductor of the second battery cell. 30. A battery according to claim 29 wherein at least one of the first and second pliable dielectrics comprises a thickness of from about 1 μm to about 20 μm. 31. A battery according to claim 27 comprising at least one of: (1) a first cap and a first seal extending around the side faces of a gap between the first cap and the first surface of the first substrate; and(2) a second cap and a second seal extending around the side faces of a gap between the second cap and the second surface of the first substrate. 32. A battery according to claim 31 wherein at least one of the first and secod seals comprises a thickness of from about 1 μm to about 20 μm. 33. A battery comprising: (a) a first substrate comprising opposing surfaces, the opposing surfaces having a first hole therethrough, the first hole having an edge;(b) at least one first battery cell on an opposing surface of the first substrate, the first battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a non-contact surface abutting a pliable dielectric and a first terminal contacting an edge of the first hole;(c) a second substrate comprising opposing surfaces, at least one of the opposing surfaces comprising a second battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a second terminal and a non-contact surface abutting a pliable dielectric; and(d) a first electrical conductor extending through the first hole and a pliable dielectric to contact a second terminal, thereby electrically connecting a first terminal to a second terminal. 34. A battery according to claim 33 wherein the opposing surfaces of the second substrate comprise a second hole therethrough, the second hole having an edge that contacts the second terminal. 35. A battery according to claim 34 further comprising: (e) a third substrate comprising opposing surfaces, at least one of the opposing surfaces comprising a third battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a third terminal and a non-contact surface abutting a pliable dielectric; and(f) a second electrical conductor extending through the second hole and a pliable dielectric to contact a third terminal, thereby electrically connecting a second terminal to a third terminal. 36. A battery according to claim 33 comprising first and second caps. 37. A battery according to claim 35 comprising first and second caps. 38. A battery comprising: (a) a substrate comprising opposing first and second surfaces and having a hole extending from the first surface to the second surface, the hole having an edge;(b) a first battery cell on the first surface of the substrate, the first battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a first terminal contacting an edge of the hole and a first non-contact surface abutting a pliable dielectric;(c) a second battery cell on the second surface of the substrate, the second battery cell comprising an electrolyte between a pair of conductors, the conductors comprising a second terminal contacting an edge of the hole and a second non-contact surface abutting a pliable dielectric;(d) an electrical conductor extending through the hole to electrically connect the first terminal to the second terminal; and(e) first and second caps.