Many readers will have at some time or another built their own lithium ... packs. A popular choice it to salvage ubiquitous 18650 cylindrical cells, as [limpkin] has with this 48 volt pack.

If so we should rejoice, because it’s likely to push down the prices of 48 volt lithium-ion packs.

"Pound for pound, Trojan batteries, such as the Trojan Lithium OnePack, are the best performing, safest choice on the market.