1. Overcharge protection, over discharge protection, short circuit protection, moisture protection, balance protection, static electricity protection and other multiple protection functions, balance function ensures that each battery is fully charged at the same time 2. 35A discharge current, separate charging interface and discharge interface, easy to use, help to extend the service life of the battery pack 3. Smart chip, carefully made with high-quality components, so as to achieve a series of functions such as high service life, strong endurance, low charge and discharge temperature, etc. 4. Suitable for electric vehicles and scooters, with a balanced mouth 5. Open-type dare to heat system: using heat sink anodic oxidation technology to stably and safely dissipate the temperature to the outside, safe and fast Discharge current: 35A Main circuit conduction internal resistance: 10mQ Product model: CF-60V20A-A Charging current (same port): 20A Charging voltage: iron-lithium battery 29.2V Charging current (split port): Product name: 8 strings Lithium iron 24V Overcharge protection: Detection voltage: 3.65 +/- 0.025v Detection delay: 1000 +/- 500MS Release voltage: 3.45 +/- 0.05V Over-discharge voltage protection: Detection voltage: 2.35 +/- 0.1v Detection delay: 1000 +/- 500MS Release voltage: 2.7 +/- 0.1v Balanced voltage: Detection voltage: 3.45 +/- 0.025V Detection delay: 100 +/- 50MS Balance current: 35 +/- 5MA Discharge overcurrent protection: Detection voltage: 100MV Detection delay: 1000 +/- 500MS Current protection: 100 +/- 20A Short circuit protection: Trigger condition: short circuit of external load Detection delay: less than or equal to 350US Release condition: Disconnect load and charge activation Self-consumption: Working power consumption: less than or equal to 40UA Sleep over-discharge power consumption: less than or equal to 10UA Operating temperature range: -30/+80C Colour: Silver Material: PCB+metal Size: 80 x 53 x 10mm Package Contents: 1 x Lithium Battery Protection Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.