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2. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   KR22C429 (NiCd) HR22C429 (NiMH) 1,200–2,400 (NiCd) 1,800–5,000 (NiMH) 1.2: 22.2 × 42.9 (0.87 × 1.69) A common size for cells inside cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters. 1 ⁄ 2-, 4 ⁄ 5 - and 5 ⁄ 4-sub-C sizes (differing in length) are also ...

3. Comparison of commercial battery types - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_commercial...

   4 NiCd vs. NiMH vs. Li-ion vs. Li–polymer ... RAM KOH Yes 1992 [14] 0.9 [15] 1. ... As thermal runaway is determined not only by cell chemistry but also cell size ...

4. Nickel–metal hydride battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–metal_hydride_battery

   A nickel–metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.

5. Battery nomenclature - Wikipedia

   en.wikipedia.org/wiki/Battery_nomenclature

   A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...

6. Nickel–cadmium battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–cadmium_battery

   However, a Ni–Cd battery has a lower self-discharge rate (for example, 20% per month for a Ni–Cd battery, versus 30% per month for a conventional NiMH under identical conditions), although low self-discharge ("LSD") NiMH batteries are now available, which have substantially lower self-discharge than either Ni–Cd or conventional NiMH ...

7. Patent encumbrance of large automotive NiMH batteries

   en.wikipedia.org/wiki/Patent_encumbrance_of...

   The 2011 Nissan Leaf had lower range and smaller battery capacity than the 1999 GM EV1. Nevertheless, it was a hit. The 1999 GM EV1 production vehicle, powered by nickel metal hydride batteries, had a 26.4 kWh battery and an EPA range of 105 miles.