Replacing batteries in my APC UPS with aftermarket ones

[BikeGremlin]

I've replaced batteries in my APC UPS, model:
APC Back-UPS 1600VA BX1600MI-GR

Offical APC battery model: APC RBC17
Battery model I used: WP1236W Long F2

Video showing the procedure:
https://www.bikegremlin.com/3107/apc-back-ups-1600va-bx1600mi-gr-battery-replacement/

Article discussing the topic (battery capacity, alternatives etc):
https://io.bikegremlin.com/35374/replacing-batteries-in-my-apc-ups-with-aftermarket-ones/