Charger Lifepo4 Battery

Charger Lifepo4 Battery
What good are lifepo4 batteries? They don’t last worth a crap next to NIMH?!?

What applications are there for lifepo4’s because I just bought these brand new 2500mah sanyos complete with charger and they seem to die much much quicker than their smaller NIMH counterparts. I’ve used them singly, in parallel and in series to power things like a bulb, camera, electric motor and led lights. They last a laughably short time. Like 10 minutes in most applications. This is ridiculous. What a waste of money and such a let down! I have tried charging for like 5 hours, and i’ve tried charging for like 2. in either case, the charger says they’re done and they last the same short time regardless. Any help would be much appreciated. Thanks for reading.

They are for high discharge applications, like a motor that needs a lot of power for a shorter period of time. They have a long life in terms of cycles, perhaps 1500 or more discharge/recharge. I think they are intended to be used in applications like vehicles, bikes for instance, where gravity can recharge them through braking systems that recharge batteries on the downhill runs, or hybrid applications. They are cooler to operate which makes them safer than lithium cobalt dioxide batteries used in laptops and other consumer electronics. I would assume that the problem you are having is due to not having enough of them in parallel for the capacity you are seeking with the motor. I haven’t seen them recommended for lighting.

Setting a 4-button charger to charge LiFePO4 or A123 batteries

Kits: 6 RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger
Kits: 6 RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger
$23.99
Charger Features

* Worldwide usage. Auto AC power adjust from 100-240V.
* Smart, build-in microprocessor automatically switch off when batteries are fully charged.
* Safe, build-in IC provides various protection, Thermal protection, Overcharge protection, Short-circuit protection, mechanical. and electrical protection against reversal polarity, and auto defective battery identification.
* Con…

Card: 4 RCR123A 3.0V (3.2V NOM) 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger
Card: 4 RCR123A 3.0V (3.2V NOM) 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger
$19.99
Package Includes:
1x RCR123A Smart Charger
4x LiFePO4 RCR123A 3.0V 750mAh Batteries
1x AC Adapter
1x Car Adapter

Charger Features
Worldwide usage. Auto AC power adjust from 100-240V.
Smart, build-in microprocessor automatically switch off when batteries are fully charged.
Safe, build-in IC provides various protection, thermal protection, overcharge protection, short-circuit protection, mechanical…

10 pcs Tenergy RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries
10 pcs Tenergy RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries
$24.90
New Chemical LiFePO4 Li-Ion battery

* Rechargeable LiFePO4 RCR123A 3.0V 750mAhBattery
* Life cycle: 2000 times (Traditional Li-ion: 500 times)
* Never explode or catch fire
* 100% Compatible with Disposable CR123A Batteries
* NOT COMPATIBLE WITH SUREFIRE FLASHLIGHT. Don’t use there batteries with any SureFire flashlights.
* Working Voltage:3.2V and Peak Voltage: 3.6V
* Charging cut-off vol…

VeriBest 36V 4A Lithium Battery Charger
VeriBest 36V 4A Lithium Battery Charger
$79.99
Veribest Lithium Battery Chargers have been tested against the industry’s best by an independent lab and judged to be as good as or better than the most expensive, highest-rated chargers on the market today, including Soneil chargers. Lithium batteries aren’t cheap, and VeriBest chargers will help protect that investment at an extremely affordable price. ElectricRider can make adjustments necessar…
48V 30AH Lifepo4 Battery Pack Power for Ebike Free Charger New Cell
48V 30AH Lifepo4 Battery Pack Power for Ebike Free Charger New Cell
$588.00
LiFePO4 48V 30AH High-capacity battery

Dimension: (195x150x280mm)

Specifications:

1.Voltage: 48 Volts
2.Lifecycle: >1000 times
3.Capacity: 30Amp Hours
4.Maximum discharge current: 40AH
5.Weight: 16.5KG
6.Charging Current: 6 Amp
7.Rated Discharging Amperage: ≒10 Amps
8.Max Discharging Amperage: 2C

Package Included:
1X Lifepo4 Battery (48V 30AH)
1X 6A Quick Charger (110V)
1X BMS…

Tenergy TN385 LiFePO4 18500/18650/14500/RCR123A Fast Battery Charger
Tenergy TN385 LiFePO4 18500/18650/14500/RCR123A Fast Battery Charger
$13.99
Features:
Worldwide voltage for AC 100-240V (50Hz~60Hz) input.
Two independent charging channels for individual charging and detection.
Constant current and constant voltage charging mode.
Use for LiFePO4 18500 / 18650 / 14500/RCR123A batteries.
LED lights indicator.

*DC input cable is NOT included.

Includes:
Tenergy LiFePO4 18500/18650/14500/RCR123A Battery Fast Charger.
Instruction manual.
Ret…

Card: 2 RCR123A 3.0V 750mAh LIFePO4 Rechargeable Batteries with a Smart Charger
Card: 2 RCR123A 3.0V 750mAh LIFePO4 Rechargeable Batteries with a Smart Charger
$19.95
Universal 12 Inch 12V Bend-A-Lite 86002 Flexible Light With the 86002 12-inch Bend-A-Lite, you can easily turn a 12 Volt DC receptacle into a power light source. This model is perfect for automobiles, trucks, tractors, boats, or any vehicle that has a 12V DC receptacle.• 12V flexible light• 360 degree turning capability• Multi-direction flexible neck• ON / OFF switch• Easily replaceable …
Tenergy T4 Intelligent 4-Bay Universal Charger for Li-ion, LiFePO4, NiMH and NiCD Rechargeable Batteries
Tenergy T4 Intelligent 4-Bay Universal Charger for Li-ion, LiFePO4, NiMH and NiCD Rechargeable Batteries
$20.99
Product Description:

Tenergy T4 Intelligent is a universal, automatic smart-charger compatible with almost all types of rechargeable batteries thus eliminating the need to own several chargers. The T4 Intelligent is able to automatically identify Li-ion, Ni-MH and Ni-Cd rechargeable batteries (in order to charge LiFePO4, select “3.2V” from the battery type switch) and apply the appropriate chargi…

Tenergy 12.8V (4S) 10A LiFePO4 Battery Charger
Tenergy 12.8V (4S) 10A LiFePO4 Battery Charger
$38.99
Features:
Intelligent charger designed for 4 cell LiFePO4 battery packs.
CPU control and pulse width modulation (PWM) technology, charging current and output voltage is controlled accurately to ensure fully-charged and avoid over-charging.
Built-in cooling fan to ensure charger long service life.
Safety protection:
– Over Voltage Protection
– Short Circuit Protection
– Output Reverse Protection…

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