Is there any type of warranty on these? I need alot of these, and at $7 each, I'm concerned about some of them not working.

the warranty on these batteries is less than 6 months. i purchased 40 of them 2 years ago, and 6 went bad after 2 charges. it was more than 6 months after i purchased them, since i only use them in the fall, so the warranty was useless. i had to eat the loss. 6 out of 40 is, to me, not an acceptable loss.

We bought a pack of 8 100000amh ni-hm batteries a year ago and i took them out of my partable latern to recharge them, why wont they recharge?

Many chargers require voltage in the battery to recognize that there is a battery in the charger. So, it sounds like your batteries completely drained, and you have a 'dumb' charger. This can happen with any rechargeable if it goes completely dead, if your charger requires 'seeing' voltage before it will charge.

do tenergy D 10,000 batteries come already charged?

I am going to say no David. I can tell you I also bought a Tenergy Advanced Universal Charger TN190-4 Channel AA/AAA/C/D/9V Ni-MH Charger with LCD Display and USB Power Outlet and it takes about 8 hours to charge 4 at the same time. That is a conservative estimate. You may be able to do it in 7, but no less I am sure of that.

Will an Energizer brand charger work with these?

Any good brand charger should charge 1-1/2 volt AAA, AA, C and D cell rechargeable batteries. The charger should have automatic cutoff, to prevent overcharging that could result in a fire. As with all electronic devices, care should be taken to prevent exposure to water sources during use.

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10000mAh NiMH D Battery, Rechargeable High Capacity D Size Battery, High Drain D Cell Batteries for Flashlight, 8-Pack - UL Certified

Product ID: 2967445

Details

Battery Capacity
10000 Hour
Battery Cell Composition
NiMH
Brand
Tenergy
Number of Batteries
8 D batteries
Recommended Uses For Product
Radio

⚡High-drain NiMH chemistry

🔋10,000mAh ultra-high capacity

♻️Rechargeable up to 1000x

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VT21664

Duties & taxes included

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up smarter, last longer, and join the eco-recharge revolution!

POWER THAT LASTS - 10,000mAh capacity keeps your devices running longer without constant recharging.
NO MEMORY NO HASSLE - Charge anytime without worrying about battery memory effect slowing you down.
TRUE D SIZE PERFORMANCE - Exact standard D dimensions (61.5mm x 33mm) for seamless replacement in all your gear.
ECO SMART RECHARGEABILITY - Save money and the planet with up to 1000 recharge cycles—ditch disposables for good.
VERSATILE HIGH DRAIN READY - Perfect for flashlights, camping gear, radios, and all your essential household devices.

The Tenergy 10000mAh NiMH rechargeable D battery offers a true high-capacity 1.2V power source designed to replace standard disposable D batteries. With a robust 10,000mAh capacity and NiMH chemistry, these UL-certified batteries support high-drain devices like flashlights and radios. They can be recharged up to 1000 times without memory effect, delivering long-lasting, eco-friendly performance in a standard D-size form factor (61.5mm x 33mm). Sold in an 8-pack, they provide a cost-effective, sustainable power solution for professional and everyday use.

Specifications

ASIN	B001AYIRH8
Antenna Location	Radio
Battery Capacity	10000 Milliampere Hour (mAh)
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Battery Weight	0.36 Pounds
Best Sellers Rank	#169,585 in Health & Household ( See Top 100 in Health & Household ) #63 in D Batteries
Brand	Tenergy
Built-In Media	8 rechargeable d size batteries
Customer Reviews	4.4 out of 5 stars 951 Reviews
Item Weight	165 Grams
Manufacturer	Tenergy
Model Name	Rechargeable batteries
Model Number	90111
Number of Batteries	8 D batteries required.
Recommended Uses For Product	Radio
Reusability	Rechargeable
UPC	844949002097
Unit Count	8 Count
Voltage	1.2 Volts

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