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How to open Remove the 4x 6mm HEX bolts - need LOTS of torque because they are glued Drill out the 3x pop rivets Pry off the metal plate Use a long metal ruler to cut the PU foam as much as possible Shake Repeat until it comes out. A messy pr...

NOTE: This battery needs a key, if the key is missing, to be able to discharge one should short the brown and orange wires. Using our holders We 3D print holders for this battery. They need an M3 threaded rod to keep the whole thing nice and tight. Rebu...

We like to use the Daly BMSs from AliExpress, because: waterproof no exposed components feels high quality never had a problem with them they are available in 15A to 500A 3S to 20S With or without balance - always get the with balance version!! Wi...

Remove the PH2 screws on the edge of the battery. DO NOT remove the T10 screws on top or bottom - they can stay in, they only keep the info plate on! Take out the four metal clips that hold the carry straps. Pry with a spudger around the corners - especiall...

These batteries are replacing the familiar NEE1009-W batteries. The NEE1009-W batteries are in use with various scooter rental companies in Norway and around the world. Battkomp has repaired some  NEE1009-W batteries with connector issues, but the repair proc...

We've received 6 batteries of the model TP-BA150H on 15th August. S/N Repaired before? Note Diagnosis Current status DSM2104021284 Yes, C1 was fixed (Batch 2) E4 Solder pad C1 broke off of substrate Fi...

This wiki-like know-how has been produced by Yedlik AS and Battkomp AS in the years 2020 to 2024 while working on batteries in Oslo, Norway. I started repairing e-bike batteries in April 2020, and built a company around it. The activity gradually changed and ...