Features High-Precision Voltage Detection – Features a sophisticated voltage detection circuit that ensures reliable performance and maximum durability for long-lasting use Comprehensive Protection Functions – Offers anti-overcharge, anti-over-discharge, anti-over-current, and anti-short circuit safeguards to enhance safety and longevity Efficient MOS Tube Control – Utilizes a low standby current consumption design, optimizing battery charging and discharging while minimizing energy loss Compatible With Electric Drills – Designed for electric drills with starting currents below 80A, featuring a balance charging function for optimal performance Versatile Lithium Battery Compatibility – Suitable for lithium batteries with a nominal voltage of 3.7V and a full voltage of 4.2V, including 18650 and 26650 sizes, with no size limit Features: 1、Repeated Pulling and Starting: Good quality material, , suitable for repeated pulling and starting the chain saw 2、 Substitute: This is a substitute, easy to replace, simple to operate, no special requirements 3、For 029 039 MS290 MS390 MS310: Suitable for gasoline chain saw model for 029 039 MS290 MS390 MS310, very practical 4、Gasoline Chain Saw Part: Gasoline chain saw pull starter replacement, which is an important gasoline chain saw part 5、Impact Resistance: Made of excellent ABS material, poss impact resistance, scratch resistance, environmentally friendly Specification: Item Type: Pull Starter Material: ABS material Applicable Model: For 029 039 MS290 MS390 MS310 Purpose: Replacement of gasoline chain saw pull starter, gasoline chain saw parts Package List: 1 x Pull Starter Note: Match the corresponding model before use. Package List 1 x Pull Starter