And keep balance between battery cells.
eBay
12V 20000mah 18650 NEW Lithium Battery Pack 3S5P large Capacity Built-in BMS 20Ah Suitable for Small Power Electronic Equipment
Aliexpress UK
150AH(VB034) Brand: Hypery Voltage: 12.8V Cell type: LiFePO4 Capacity: 150Ah Discharge temperature: -20°C -60°C Total energy: 1920Wh Max. continuous discharge current: 150A Charging temperature: 0°C -55°C Storage temperature: -20°C -60°C Max discharge current: 350A(5S) Terminal type: M8 Standard charging current: 75A Recommended charging voltage: 14.4V-14.6V BMS low voltage protection: 10V Net weight: 15KG External dimensions: 347*190*214mm [High Security with BMS] Our BMS is a multi-channel battery monitoring and balancing system for LiFePO4 battery packs. Battery has built-in BMS (battery management system), low self-discharge, can prevent overcharge, over-discharge, over-current, overload, short circuit.
eBay
2025 New 4000mAh-12V rechargeable lithium-ion battery for electric screwdrivers, drills, mini angle grinders power tools
Aliexpress UK
RHYTHMIC 12V 100Ah LiFePO4 LITHIUM IRON PHOSPHATE BATTERY WITH BLUETOOTH MONITORING. RHYTHMIC 12v 100Ah SMART LITHIUM PHOSPHATE LiFePO4 Battery for Leisure, Solar, Wind and Off-grid 12 volt etc. RHYTHMIC 12v 100Ah LiFePo4 battery bluetooth function can monitor the following status from smart phone.
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12V Lifepo4 100Ah Lithium Battery 200Ah 300Ah 400Ah 500Ah 600Ah 800Ah 1000Ah for 1KW 2KW Off-Grid Backup Power Solar System
Aliexpress UK
This high-quality 12V 22AH Lithium-ion battery is designed to fit your Powakaddy golf trolley perfectly. (12V 22Ah). Ultra Light High Performance. LITHIUM -ION BATTERY. 36 hole capacity depending on terrain and conditions.
eBay
12V 100Ah LiFePO4 Lithium Battery for Solar Systems,Off-Grid, RV,Marine,Backup Power with 7000+ Deep Cycles With charger
Aliexpress UK
Our 280Ah LiFePO4 battery weight is 61.7 lbs, only 1/3 of Lead-Acid battery. More convenient carrying, any mount directions, no leakage risk, safer usage. Also you'll be able to keep a close eye on the battery remaining working life.
eBay
LiitoKala 4S-12V100A-BMS with Bluetooth 4 series 12V lithium iron phosphate battery protection plate
Aliexpress UK
And the BMS will protect the lithium iron phosphate batteries in these cases. Our LiFePO4 battery weighs only one-third of lead-acid batteries. More convenient to carry, with no risk of leakage in any installation direction, and safer to use.
eBay
3-PACK 3000mAh 10.8V 12V MAX Lithium Ion Battery Replacement for DeWalt DCB120 DCB123 DCB122 DCB127 DCB124 DCB121
Aliexpress UK
【Mini-sized Design】Up to 50% smaller than a Group 31 battery and 13% smaller than other equivalent 12.8V 100Ah mini batteries. 【Flexible Installation】Installing batteries has never been easier - now you can mount your 12V 100Ah LiFePO4 battery in any orientation to fit snugly into a limited space.
eBay
12V 20000mah 18650 NEW Lithium Battery Pack 3S5P large Capacity Built-in BMS 20Ah Suitable for Small Power Electronic Equipment
Aliexpress UK
And the BMS will protect the lithium iron phosphate batteries in these cases. Our LiFePO4 battery weighs only one-third of lead-acid batteries. More convenient to carry, with no risk of leakage in any installation direction, and safer to use.
eBay
12V 20000mah 18650 NEW Lithium Battery Pack 3S5P large Capacity Built-in BMS 20Ah Suitable for Small Power Electronic Equipment
Aliexpress UK