what is the internal resistance of one of these batteries?

Thank you for your question, the internal resistance is around 30-50 milliohms.

Can this be used to power a 12v winch

Thank you for your question, you need to check what is the working current of power a 12v winch, the working current of our 36Ah battery is 36A, if the current is less than or equal to 36A then you can use it.

Can 6 of these be hooked up in series? my ups has a 72v setup. i would like to use these batteries instead but can’t find specifics.

Thank you for your question, there is no substitute as our batteries can only be connected in series with a maximum of 4.

Can this be used with a Batcaddy golf cart?

Thank you for your question, yes, if you are using two or more batteries in series, it is recommended that you use a Lifepo4 charger to charge the batteries.

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NERMAK 12V 7Ah (7.2Ah) リチウムLiFePO4バッテリー 2個パック 2000回以上のサイクルのリン酸鉄リチウム充電式バッテリー小型ソーラー/キャンプ/照明/おもちゃ/魚群探知機などに 8A BMS内蔵

Product ID: 724787705

Details

Brand
NERMAK
Size
12V 7Ah-2PACK
Product Dimensions
15.1D x 6.5W x
Number Of Cells
2
Terminal
Marine
Manufacturer
NERMAK

⚡8A continuous discharge

🔋2000+ charge cycles

🔌Built-in BMS protection

186525CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your adventures with confidence—never run out, never slow down!

SMART SAFETY TECH - Integrated BMS guards against overcharge, discharge & short circuits
UNMATCHED LONGEVITY - Over 2000 recharge cycles for years of reliable power
POWERFUL CONSISTENT - 8A continuous output with 3C pulse for demanding devices
VERSATILE CONNECTIVITY - Supports series & parallel setups—scale up to 4 batteries effortlessly
ECO FRIENDLY MAINTENANCE FREE - Clean lithium iron phosphate chemistry with zero memory effect

The NERMAK 12V 7.2Ah LiFePO4 battery delivers high energy density and over 2000 recharge cycles, featuring an 8A continuous discharge rate and built-in battery management system for enhanced safety. Compact and lightweight, it’s ideal for solar setups, camping gear, emergency lighting, and more, offering a maintenance-free, eco-friendly power solution that outperforms traditional lead-acid batteries.

Specifications

Manufacturer	NERMAK
Brand	NERMAK
Model	lifepo4
Product Dimensions	15.09 x 6.5 x 9.93 cm; 952.54 g
Batteries	1 12V batteries required. (included)
Item model number	12V7A
Amperage	7.2 Amps
Item Dimensions L x W x H	15.1 x 6.5 x 9.9 cm

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186525CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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NERMAK 12V 7Ah (7.2Ah) リチウムLiFePO4バッテリー 2個パック 2000回以上のサイクルのリン酸鉄リチウム充電式バッテリー 小型ソーラー/キャンプ/照明/おもちゃ/魚群探知機などに 8A BMS内蔵

Details

Details

Description

Specifications

Common Questions

NERMAK 12V 7Ah (7.2Ah) リチウムLiFePO4バッテリー 2個パック 2000回以上のサイクルのリン酸鉄リチウム充電式バッテリー小型ソーラー/キャンプ/照明/おもちゃ/魚群探知機などに 8A BMS内蔵