D? ?cha Batr? ndu:
Njirimara nke batr? ndu d? ?cha b? na ha na-eji ingots ledu t?ba grid nke Eferes, na-agbakwunyegh? ihe nd? ?z? d? ka calcium, tin, na aluminom. Nke a na-ebute nguzogide corrosion siri ike na nd? ogologo nd?.

G?n? b? ihe Batr? Nchekwa Ike?
?l? ?r? nchekwa batr? ka a na-akp?kar? batr? ike nchekwa, nke a na-ejikar? d? ka nkwado ndabere maka sistem? ?k? anagh? akw?s? akw?s?. A na-ejikar? obere batr? d? ka ?d? 12V1.3Ah maka ?n? ?z? ?k? eletrik, ebe a na-ejikar? usoro 6V4 mee ihe maka ?k? mberede (? b? ezie na ah?a ah? agbadala nke ukwuu).