Lithium Ion Battery: Difference between revisions
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*$56 for 100 of 20Wh batteries - 3.7V, 5.8Ahr. 2000Whr for $56? [https://www.ebay.com/p/100pcs-18650-Battery-5800mah-Li-ion-3-7v-Rechargeable-Battery-VP/927436416?iid=262775832391&_trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D2%26asc%3D44040%26meid%3Dcc2be7cc7fd34fc3810f2866dfc3c298%26pid%3D100005%26rk%3D3%26rkt%3D12%26sd%3D152553403321%26itm%3D262775832391&_trksid=p2047675.c100005.m1851] | *$56 for 100 of 20Wh batteries - 3.7V, 5.8Ahr. 2000Whr for $56? [https://www.ebay.com/p/100pcs-18650-Battery-5800mah-Li-ion-3-7v-Rechargeable-Battery-VP/927436416?iid=262775832391&_trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D2%26asc%3D44040%26meid%3Dcc2be7cc7fd34fc3810f2866dfc3c298%26pid%3D100005%26rk%3D3%26rkt%3D12%26sd%3D152553403321%26itm%3D262775832391&_trksid=p2047675.c100005.m1851] | ||
=Review= | =Review= | ||
Revision as of 16:49, 6 May 2020
Basics
- A Type of Electrically Rechargable Battery
- Has one of the highest power desities
- Can have a Battery FIre issue, also lithium availability may become an issue in the future (although recycling is possible)
- Most common form (pre-battery pack unit) OTS is the 18650 Battery (similar in form factor to a "AA" type battery, different specs though)
Depth of Discharge
Discharging only a little bit and recharging prolongs life - 10 years if 10% discharge, 6 years if 25% discharge
Cost
- $56 for 100 of 20Wh batteries - 3.7V, 5.8Ahr. 2000Whr for $56? [1]
Review
This is a good review. Standard is 2200 Ah for 16850 cells, 3.7 v - 8 Wh of power. [2]
- Ultrafire at 1 Ah and 4A is worth the $1.2. Cheaper than all others, for half capacity.
- Further - if it's 1 Ah and 72 cents - it appears to be 370W for $67, or under $200 per kW? Definitely would be worth it.
Protection
- Protected vs unprotected - [3]
Not High Drain
- 2600 advertised - [4]