What Voltage Should a Fully Charged 12v Battery Read
Early on batteries were reserved for commercial employ only, such every bit telecommunications, signaling, portable lighting and war activities. Today, batteries have get a steady travel companion of the public at big to achieve a friend, they allow working exterior the confines of iv walls, provide amusement when time permits and enable personal transportation. Best of all, batteries assistance in missions when people are in demand.
Folks are eager to acquire more nearly this wonderful portable free energy device and one of the about common questions asked is, "What tin can I do to prolong the life of my bombardment?" Table i addresses how to care for your batteries to meet their needs. Because of similarities within the different battery families, the table addresses the needs and wants of only the most mutual systems past keeping in mind that these desires extend to nigh all batteries in use.
- Keep a bombardment at a moderate temperature. Every bit food stays fresher when refrigerated, and then as well does cool temperature protect the battery by reducing internal corrosion, too known every bit parasitic reactions on the electrolyte and electrodes.
- Avoid deep cycling. Each cycle wears the battery down by a pocket-sized amount and a partial discharge is better than a full discharge. When possible, only apply a full discharge to calibrate a smart battery and to forbid "retentiveness" on nickel-based batteries. Li-ion is maintenance-free and the battery lasts longest when operating between thirty and 80 percentage SoC.
- Avert abuse. Like a machine that wears downwards quicker under strenuous work, so also is a battery stressed past harsh discharges and rapid charges. Use cells that are optimized for the power and energy requirements equally per application and increase that pack size to minimize load-related stresses.
- Avoid ultra-fast accuse. Charge Li-ion Energy Cells at less than 1C (below rated Ah); Power Cells are more rugged and tin can exist charged and discharged at a higher rate. NiCd is the merely bombardment that can be fast charged up to lxx percent SoC without adverse side-effects.
- Store Li-ion at partial charge in a absurd identify. The worst combination is high voltage and elevated temperature. Store Li-ion at approximately 50 percentage SoC.
| Frequently asked question | Lead acid (Sealed, flooded) | Nickel-based (NiCd and NiMH) | Lithium-ion (Li-ion, polymer) |
| How should I prepare a new battery? | Battery comes fully charged. Apply a topping* charge. | Charge 14–16h. Priming may exist needed to format | Apply a topping charge before use. No priming needed |
| Can I impairment a battery with incorrect utilize? | Always store battery fully charged. | Battery is robust. New pack volition improve with use. | Go along partially charged. Low charge tin plow off protection circuit |
| Do I need to employ a total charge? | Fully charge every few weeks or months. Continuous low charge causes sulfation. | Partial charge is fine | Fractional charge improve than a full charge |
| Tin I disrupt the charge cycle? | Fractional charge causes no damage when applying periodic fully saturated charges. | Repeat charges can crusade heat buildup | Fractional accuse causes no impairment |
| Should I use upwardly all battery energy before charging? | No, deep belch wears battery down. Charge more often | Apply scheduled discharges only to prevent retentivity | Deep discharge wears the bombardment down |
| Do I have to worry about "retentiveness"? | No, there is no retentiveness | Belch NiCd every i–3 months | No memory |
| How practise I calibrate a "smart" battery? | Not applicable | Utilise discharge/charge when the fuel guess gets inaccurate. Echo every 1–iii months | |
| Can I accuse with the device on? | Avert load if possible | Parasitic load can alter full-charge detection and overcharge bombardment or crusade mini-cycles | |
| Do I remove the battery when full? | Charger switches to float charge | Remove after a few days in charger | Non necessary; charger turns off |
| How exercise I store my battery? | Go on cells above 2.10V; topping-charge* every 6 months. | Shop in cool place; tin exist stored fully discharged | Store in cool place partially charged |
| Does battery oestrus upward on charge? | Gets lukewarm towards cease of charge | Warm merely must cool down when set | Must stay cool or slightly warm |
| How do I charge when cold? | Irksome charge (0.1): 0–45°C (32–113°F) Fast charge (0.5–1C): 5–45°C (41–113°F) | Exercise non charge below freezing | |
| Can I charge at hot temperatures? | Lower threshold past 3mV/°C above 25°C | Battery will not fully accuse when hot | Do not charge above 50°C (122°F) |
| What should I know well-nigh chargers? | Charger should float at two.25–2.30V/cell when ready | Battery should not go also hot and should include temp sensor | Bombardment must stay cool and no trickle charge when ready |
Strenuous demands cannot always be prevented.
* Topping accuse is practical on a bombardment that is in service or storage to maintain full charge and to foreclose sulfation on lead acid batteries.
Batteries In A Portable World
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Source: https://batteryuniversity.com/article/bu-415-how-to-charge-and-when-to-charge
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