❓ Help Battery issue

rjackdaw

Forum Master
bakit kaya ung battery na 1.5v kahit full di nagana
pero ung 4.18v ok lng
parehong 3000mah as per reporting pero di na nagana talga ung 1.5v
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1727337016557.webp
 
Time to replace. Ganyan din yung AAA ko na Eneloop 1.4V tapos biglang bagsak ng voltage. Baka may cell na na sira.Di rin talaga masabi sa brand. May EBL ako mas matagal pa. Tyempuhan siguro sa quality.
 
Time to replace. Ganyan din yung AAA ko na Eneloop 1.4V tapos biglang bagsak ng voltage. Baka may cell na na sira.Di rin talaga masabi sa brand. May EBL ako mas matagal pa. Tyempuhan siguro sa quality.
amu ba dapat ang voltage para masabi na good pa?
di ko alam kase - basta ang nakalagay 3.7v sya na lishen ung brand from litokala
 
I assume hindi yan AA dahil 3.7v. Hindi natin masasabi na goods ang battery by looking at voltage alone. May mga battery capacity testers na pwedeng gamitin. Bale ang ggawin nya is full charge tapos discharge. Depende kung ilang cycles ang supported nya. Tapos sasabihin nya kung ilang mAH pa ang capacity. Pag close pa sa rated original capacity ng battery mo, then goods pa. I use XTAR na smart charger. May capacity tester na din.
 
I assume hindi yan AA dahil 3.7v. Hindi natin masasabi na goods ang battery by looking at voltage alone. May mga battery capacity testers na pwedeng gamitin. Bale ang ggawin nya is full charge tapos discharge. Depende kung ilang cycles ang supported nya. Tapos sasabihin nya kung ilang mAH pa ang capacity. Pag close pa sa rated original capacity ng battery mo, then goods pa. I use XTAR na smart charger. May capacity tester na din.ka
18650 flat head
kailangan ma discharged talga muna then recharge-
ngaun ko lang kase napansin na ang baba nung voltage nung isa pero rated 3.7 sya
 
18650 flat head
kailangan ma discharged talga muna then recharge-
ngaun ko lang kase napansin na ang baba nung voltage nung isa pero rated 3.7 sya

Normally, nde naman talaga need ma full discharge bago charge. During capacity tests lang. Sa mga Lithium based (ion, polymer,etc), mas ok daw na recharge around 15% capacity left (wag sagad na 0), tapos hanggang 85% lang charge. Bale between 15-85% lang gamitin. To prolong the battery's life (charging cycles).
 
18650 at 1.5V? palitan mo na 'yan. you shouldn't let them get below 2.5V. there's a chance na maging unstable na 'yan.
 

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nitro7

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